diff --git a/standard_Operations.html b/standard_Operations.html
index 8aa8ade..2aa7d1f 100644
--- a/standard_Operations.html
+++ b/standard_Operations.html
@@ -51,207 +51,160 @@
     TEST_MODE
   (use console)
 
-<script id="init_lib" version="1.0.1">
-    //All util libraries required for Standard operations (DO NOT EDIT ANY)
-
-      /* Reactor Event handling */
-  if (typeof reactor == "undefined" || !reactor) {
-    (function () {
-      function Event(name) {
-        this.name = name;
-        this.callbacks = [];
-      }
-
-      Event.prototype.registerCallback = function (callback) {
-        this.callbacks.push(callback);
-      };
-
-      function Reactor() {
-        this.events = {};
-      }
-
-      Reactor.prototype.registerEvent = function (eventName) {
-        var event = new Event(eventName);
-        this.events[eventName] = event;
-      };
-
-      Reactor.prototype.dispatchEvent = function (eventName, eventArgs) {
-        this.events[eventName].callbacks.forEach(function (callback) {
-          callback(eventArgs);
-        });
-      };
-
-      Reactor.prototype.addEventListener = function (eventName, callback) {
-        this.events[eventName].registerCallback(callback);
-      };
-
-      window.reactor = new Reactor();
-    })();
-  }
-
-  /* Sample Usage
-    --Creating and defining the event--
-    reactor.registerEvent('<eventName>');
-    reactor.addEventListener('<eventName>', function(someObject){
-      do something...
-    });
-    --Firing the event--
-    reactor.dispatchEvent('<eventName>',<someObject>);
-  */
-
-  
-/*!
-* Crypto-JS v2.5.4  Crypto.js
-* http://code.google.com/p/crypto-js/
-* Copyright (c) 2009-2013, Jeff Mott. All rights reserved.
-* http://code.google.com/p/crypto-js/wiki/License
-*/
-if (typeof Crypto == "undefined" || !Crypto.util) {
-    (function () {
-
-        var base64map = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-
+<script id="lib" version="1.2.0">
+    /*  Util Libraries required for Standard operations
+        All credits for these codes belong to their respective creators, moderators and owners.
+        For more info on licence for these codes, visit respective source.
+    */
+    'use strict';
+    //Crypto.js
+    (function(GLOBAL) {
         // Global Crypto object
-        var Crypto = window.Crypto = {};
+        var Crypto = GLOBAL.Crypto = {};
+        /*!
+         * Crypto-JS v2.5.4  Crypto.js
+         * http://code.google.com/p/crypto-js/
+         * Copyright (c) 2009-2013, Jeff Mott. All rights reserved.
+         * http://code.google.com/p/crypto-js/wiki/License
+         */
+        (function() {
 
-        // Crypto utilities
-        var util = Crypto.util = {
+            var base64map = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
 
-            // Bit-wise rotate left
-            rotl: function (n, b) {
-                return (n << b) | (n >>> (32 - b));
-            },
+            // Crypto utilities
+            var util = Crypto.util = {
 
-            // Bit-wise rotate right
-            rotr: function (n, b) {
-                return (n << (32 - b)) | (n >>> b);
-            },
+                // Bit-wise rotate left
+                rotl: function(n, b) {
+                    return (n << b) | (n >>> (32 - b));
+                },
 
-            // Swap big-endian to little-endian and vice versa
-            endian: function (n) {
+                // Bit-wise rotate right
+                rotr: function(n, b) {
+                    return (n << (32 - b)) | (n >>> b);
+                },
 
-                // If number given, swap endian
-                if (n.constructor == Number) {
-                    return util.rotl(n, 8) & 0x00FF00FF |
-                util.rotl(n, 24) & 0xFF00FF00;
-                }
+                // Swap big-endian to little-endian and vice versa
+                endian: function(n) {
 
-                // Else, assume array and swap all items
-                for (var i = 0; i < n.length; i++)
-                    n[i] = util.endian(n[i]);
-                return n;
-
-            },
-
-            // Generate an array of any length of random bytes
-            randomBytes: function (n) {
-                for (var bytes = []; n > 0; n--)
-                    bytes.push(Math.floor(Math.random() * 256));
-                return bytes;
-            },
-
-            // Convert a byte array to big-endian 32-bit words
-            bytesToWords: function (bytes) {
-                for (var words = [], i = 0, b = 0; i < bytes.length; i++, b += 8)
-                    words[b >>> 5] |= (bytes[i] & 0xFF) << (24 - b % 32);
-                return words;
-            },
-
-            // Convert big-endian 32-bit words to a byte array
-            wordsToBytes: function (words) {
-                for (var bytes = [], b = 0; b < words.length * 32; b += 8)
-                    bytes.push((words[b >>> 5] >>> (24 - b % 32)) & 0xFF);
-                return bytes;
-            },
-
-            // Convert a byte array to a hex string
-            bytesToHex: function (bytes) {
-                for (var hex = [], i = 0; i < bytes.length; i++) {
-                    hex.push((bytes[i] >>> 4).toString(16));
-                    hex.push((bytes[i] & 0xF).toString(16));
-                }
-                return hex.join("");
-            },
-
-            // Convert a hex string to a byte array
-            hexToBytes: function (hex) {
-                for (var bytes = [], c = 0; c < hex.length; c += 2)
-                    bytes.push(parseInt(hex.substr(c, 2), 16));
-                return bytes;
-            },
-
-            // Convert a byte array to a base-64 string
-            bytesToBase64: function (bytes) {
-                for (var base64 = [], i = 0; i < bytes.length; i += 3) {
-                    var triplet = (bytes[i] << 16) | (bytes[i + 1] << 8) | bytes[i + 2];
-                    for (var j = 0; j < 4; j++) {
-                        if (i * 8 + j * 6 <= bytes.length * 8)
-                            base64.push(base64map.charAt((triplet >>> 6 * (3 - j)) & 0x3F));
-                        else base64.push("=");
+                    // If number given, swap endian
+                    if (n.constructor == Number) {
+                        return util.rotl(n, 8) & 0x00FF00FF |
+                            util.rotl(n, 24) & 0xFF00FF00;
                     }
+
+                    // Else, assume array and swap all items
+                    for (var i = 0; i < n.length; i++)
+                        n[i] = util.endian(n[i]);
+                    return n;
+
+                },
+
+                // Generate an array of any length of random bytes
+                randomBytes: function(n) {
+                    for (var bytes = []; n > 0; n--)
+                        bytes.push(Math.floor(Math.random() * 256));
+                    return bytes;
+                },
+
+                // Convert a byte array to big-endian 32-bit words
+                bytesToWords: function(bytes) {
+                    for (var words = [], i = 0, b = 0; i < bytes.length; i++, b += 8)
+                        words[b >>> 5] |= (bytes[i] & 0xFF) << (24 - b % 32);
+                    return words;
+                },
+
+                // Convert big-endian 32-bit words to a byte array
+                wordsToBytes: function(words) {
+                    for (var bytes = [], b = 0; b < words.length * 32; b += 8)
+                        bytes.push((words[b >>> 5] >>> (24 - b % 32)) & 0xFF);
+                    return bytes;
+                },
+
+                // Convert a byte array to a hex string
+                bytesToHex: function(bytes) {
+                    for (var hex = [], i = 0; i < bytes.length; i++) {
+                        hex.push((bytes[i] >>> 4).toString(16));
+                        hex.push((bytes[i] & 0xF).toString(16));
+                    }
+                    return hex.join("");
+                },
+
+                // Convert a hex string to a byte array
+                hexToBytes: function(hex) {
+                    for (var bytes = [], c = 0; c < hex.length; c += 2)
+                        bytes.push(parseInt(hex.substr(c, 2), 16));
+                    return bytes;
+                },
+
+                // Convert a byte array to a base-64 string
+                bytesToBase64: function(bytes) {
+                    for (var base64 = [], i = 0; i < bytes.length; i += 3) {
+                        var triplet = (bytes[i] << 16) | (bytes[i + 1] << 8) | bytes[i + 2];
+                        for (var j = 0; j < 4; j++) {
+                            if (i * 8 + j * 6 <= bytes.length * 8)
+                                base64.push(base64map.charAt((triplet >>> 6 * (3 - j)) & 0x3F));
+                            else base64.push("=");
+                        }
+                    }
+
+                    return base64.join("");
+                },
+
+                // Convert a base-64 string to a byte array
+                base64ToBytes: function(base64) {
+                    // Remove non-base-64 characters
+                    base64 = base64.replace(/[^A-Z0-9+\/]/ig, "");
+
+                    for (var bytes = [], i = 0, imod4 = 0; i < base64.length; imod4 = ++i % 4) {
+                        if (imod4 == 0) continue;
+                        bytes.push(((base64map.indexOf(base64.charAt(i - 1)) & (Math.pow(2, -2 * imod4 + 8) - 1)) << (imod4 * 2)) |
+                            (base64map.indexOf(base64.charAt(i)) >>> (6 - imod4 * 2)));
+                    }
+
+                    return bytes;
                 }
 
-                return base64.join("");
-            },
+            };
 
-            // Convert a base-64 string to a byte array
-            base64ToBytes: function (base64) {
-                // Remove non-base-64 characters
-                base64 = base64.replace(/[^A-Z0-9+\/]/ig, "");
+            // Crypto character encodings
+            var charenc = Crypto.charenc = {};
 
-                for (var bytes = [], i = 0, imod4 = 0; i < base64.length; imod4 = ++i % 4) {
-                    if (imod4 == 0) continue;
-                    bytes.push(((base64map.indexOf(base64.charAt(i - 1)) & (Math.pow(2, -2 * imod4 + 8) - 1)) << (imod4 * 2)) |
-                    (base64map.indexOf(base64.charAt(i)) >>> (6 - imod4 * 2)));
+            // UTF-8 encoding
+            var UTF8 = charenc.UTF8 = {
+
+                // Convert a string to a byte array
+                stringToBytes: function(str) {
+                    return Binary.stringToBytes(unescape(encodeURIComponent(str)));
+                },
+
+                // Convert a byte array to a string
+                bytesToString: function(bytes) {
+                    return decodeURIComponent(escape(Binary.bytesToString(bytes)));
                 }
 
-                return bytes;
-            }
+            };
 
-        };
+            // Binary encoding
+            var Binary = charenc.Binary = {
 
-        // Crypto character encodings
-        var charenc = Crypto.charenc = {};
-
-        // UTF-8 encoding
-        var UTF8 = charenc.UTF8 = {
-
-            // Convert a string to a byte array
-            stringToBytes: function (str) {
-                return Binary.stringToBytes(unescape(encodeURIComponent(str)));
-            },
-
-            // Convert a byte array to a string
-            bytesToString: function (bytes) {
-                return decodeURIComponent(escape(Binary.bytesToString(bytes)));
-            }
-
-        };
-
-        // Binary encoding
-        var Binary = charenc.Binary = {
-
-            // Convert a string to a byte array
-            stringToBytes: function (str) {
-                for (var bytes = [], i = 0; i < str.length; i++)
-                    bytes.push(str.charCodeAt(i) & 0xFF);
-                return bytes;
-            },
-
-            // Convert a byte array to a string
-            bytesToString: function (bytes) {
-                for (var str = [], i = 0; i < bytes.length; i++)
-                    str.push(String.fromCharCode(bytes[i]));
-                return str.join("");
-            }
-
-        };
-
-    })();
-}
+                // Convert a string to a byte array
+                stringToBytes: function(str) {
+                    for (var bytes = [], i = 0; i < str.length; i++)
+                        bytes.push(str.charCodeAt(i) & 0xFF);
+                    return bytes;
+                },
 
+                // Convert a byte array to a string
+                bytesToString: function(bytes) {
+                    for (var str = [], i = 0; i < bytes.length; i++)
+                        str.push(String.fromCharCode(bytes[i]));
+                    return str.join("");
+                }
 
+            };
 
+        })();
         //Adding SHA1 to fix basic PKBDF2
         /*
          * Crypto-JS v2.5.4
@@ -259,7 +212,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
          * (c) 2009-2012 by Jeff Mott. All rights reserved.
          * http://code.google.com/p/crypto-js/wiki/License
          */
-        (function () {
+        (function() {
 
             // Shortcuts
             var C = Crypto,
@@ -269,7 +222,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
                 Binary = charenc.Binary;
 
             // Public API
-            var SHA1 = C.SHA1 = function (message, options) {
+            var SHA1 = C.SHA1 = function(message, options) {
                 var digestbytes = util.wordsToBytes(SHA1._sha1(message));
                 return options && options.asBytes ? digestbytes :
                     options && options.asString ? Binary.bytesToString(digestbytes) :
@@ -277,7 +230,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
             };
 
             // The core
-            SHA1._sha1 = function (message) {
+            SHA1._sha1 = function(message) {
 
                 // Convert to byte array
                 if (message.constructor == String) message = UTF8.stringToBytes(message);
@@ -352,7 +305,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
          * (c) 2009-2012 by Jeff Mott. All rights reserved.
          * http://code.google.com/p/crypto-js/wiki/License
          */
-        (function () {
+        (function() {
 
             // Shortcuts
             var C = Crypto,
@@ -361,7 +314,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
                 UTF8 = charenc.UTF8,
                 Binary = charenc.Binary;
 
-            C.HMAC = function (hasher, message, key, options) {
+            C.HMAC = function(hasher, message, key, options) {
 
                 // Convert to byte arrays
                 if (message.constructor == String) message = UTF8.stringToBytes(message);
@@ -404,91 +357,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
          * (c) 2009-2012 by Jeff Mott. All rights reserved.
          * http://code.google.com/p/crypto-js/wiki/License
          */
-
-        function ascii_to_hexa(str) {
-            var arr1 = [];
-            for (var n = 0, l = str.length; n < l; n++) {
-                var hex = Number(str.charCodeAt(n)).toString(16);
-                arr1.push(hex);
-            }
-            return arr1.join('');
-        }
-
-
-        (typeof Crypto == "undefined" || !Crypto.util) && function () {
-            var d = window.Crypto = {},
-                k = d.util = {
-                    rotl: function (b, a) {
-                        return b << a | b >>> 32 - a
-                    },
-                    rotr: function (b, a) {
-                        return b << 32 - a | b >>> a
-                    },
-                    endian: function (b) {
-                        if (b.constructor == Number) return k.rotl(b, 8) & 16711935 | k.rotl(b, 24) & 4278255360;
-                        for (var a = 0; a < b.length; a++) b[a] = k.endian(b[a]);
-                        return b
-                    },
-                    randomBytes: function (b) {
-                        for (var a = []; b > 0; b--) a.push(Math.floor(Math.random() * 256));
-                        return a
-                    },
-                    bytesToWords: function (b) {
-                        for (var a = [], c = 0, e = 0; c < b.length; c++, e += 8) a[e >>> 5] |= (b[c] & 255) <<
-                            24 - e % 32;
-                        return a
-                    },
-                    wordsToBytes: function (b) {
-                        for (var a = [], c = 0; c < b.length * 32; c += 8) a.push(b[c >>> 5] >>> 24 - c % 32 & 255);
-                        return a
-                    },
-                    bytesToHex: function (b) {
-                        for (var a = [], c = 0; c < b.length; c++) a.push((b[c] >>> 4).toString(16)), a.push((b[c] &
-                            15).toString(16));
-                        return a.join("")
-                    },
-                    hexToBytes: function (b) {
-                        for (var a = [], c = 0; c < b.length; c += 2) a.push(parseInt(b.substr(c, 2), 16));
-                        return a
-                    },
-                    bytesToBase64: function (b) {
-                        for (var a = [], c = 0; c < b.length; c += 3)
-                            for (var e = b[c] << 16 | b[c + 1] << 8 | b[c + 2], p = 0; p < 4; p++) c * 8 + p * 6 <=
-                                b.length * 8 ? a.push(
-                                    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charAt(e >>>
-                                        6 * (3 - p) & 63)) : a.push("=");
-                        return a.join("")
-                    },
-                    base64ToBytes: function (b) {
-                        for (var b = b.replace(/[^A-Z0-9+\/]/ig, ""), a = [], c = 0, e = 0; c < b.length; e = ++c %
-                            4) e != 0 && a.push(("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
-                                .indexOf(b.charAt(c - 1)) & Math.pow(2, -2 * e + 8) - 1) << e * 2 |
-                            "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".indexOf(b.charAt(
-                                c)) >>> 6 - e * 2);
-                        return a
-                    }
-                },
-                d = d.charenc = {};
-            d.UTF8 = {
-                stringToBytes: function (b) {
-                    return g.stringToBytes(unescape(encodeURIComponent(b)))
-                },
-                bytesToString: function (b) {
-                    return decodeURIComponent(escape(g.bytesToString(b)))
-                }
-            };
-            var g = d.Binary = {
-                stringToBytes: function (b) {
-                    for (var a = [], c = 0; c < b.length; c++) a.push(b.charCodeAt(c) & 255);
-                    return a
-                },
-                bytesToString: function (b) {
-                    for (var a = [], c = 0; c < b.length; c++) a.push(String.fromCharCode(b[c]));
-                    return a.join("")
-                }
-            }
-        }();
-        (function () {
+        (function() {
             var d = Crypto,
                 k = d.util,
                 g = d.charenc,
@@ -504,11 +373,11 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
                     506948616, 659060556, 883997877, 958139571, 1322822218, 1537002063, 1747873779, 1955562222,
                     2024104815, 2227730452, 2361852424, 2428436474, 2756734187, 3204031479, 3329325298
                 ],
-                e = d.SHA256 = function (b, c) {
+                e = d.SHA256 = function(b, c) {
                     var f = k.wordsToBytes(e._sha256(b));
                     return c && c.asBytes ? f : c && c.asString ? a.bytesToString(f) : k.bytesToHex(f)
                 };
-            e._sha256 = function (a) {
+            e._sha256 = function(a) {
                 a.constructor == String && (a = b.stringToBytes(a));
                 var e = k.bytesToWords(a),
                     f = a.length * 8,
@@ -560,13 +429,13 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
             e._blocksize = 16;
             e._digestsize = 32
         })();
-        (function () {
+        (function() {
             var d = Crypto,
                 k = d.util,
                 g = d.charenc,
                 b = g.UTF8,
                 a = g.Binary;
-            d.HMAC = function (c, e, d, g) {
+            d.HMAC = function(c, e, d, g) {
                 e.constructor == String && (e = b.stringToBytes(e));
                 d.constructor == String && (d = b.stringToBytes(d));
                 d.length > c._blocksize * 4 && (d = c(d, {
@@ -582,197 +451,211 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
                 return g && g.asBytes ? c : g && g.asString ? a.bytesToString(c) : k.bytesToHex(c)
             }
         })();
+    })(typeof global !== "undefined" ? global : window);
 
+    //SecureRandom.js
+    (function(GLOBAL) {
 
-/*!
-* Random number generator with ArcFour PRNG
-*
-* NOTE: For best results, put code like
-* <body onclick='SecureRandom.seedTime();' onkeypress='SecureRandom.seedTime();'>
-* in your main HTML document.
-*
-* Copyright Tom Wu, bitaddress.org  BSD License.
-* http://www-cs-students.stanford.edu/~tjw/jsbn/LICENSE
-*/
-(function () {
+        var getRandomValues =
+            (typeof require === 'function') ? function(buf) {
+                var bytes = require('crypto').randomBytes(buf.length)
+                buf.set(bytes)
+                return buf;
+            } : (GLOBAL.crypto && GLOBAL.crypto.getRandomValues ? GLOBAL.crypto.getRandomValues : null);
 
-    // Constructor function of Global SecureRandom object
-    var sr = window.SecureRandom = function () { };
+        /*!
+         * Random number generator with ArcFour PRNG
+         *
+         * NOTE: For best results, put code like
+         * <body onclick='SecureRandom.seedTime();' onkeypress='SecureRandom.seedTime();'>
+         * in your main HTML document.
+         *
+         * Copyright Tom Wu, bitaddress.org  BSD License.
+         * http://www-cs-students.stanford.edu/~tjw/jsbn/LICENSE
+         */
 
-    // Properties
-    sr.state;
-    sr.pool;
-    sr.pptr;
-    sr.poolCopyOnInit;
+        // Constructor function of Global SecureRandom object
+        var sr = GLOBAL.SecureRandom = function() {};
 
-    // Pool size must be a multiple of 4 and greater than 32.
-    // An array of bytes the size of the pool will be passed to init()
-    sr.poolSize = 256;
+        // Properties
+        sr.state;
+        sr.pool;
+        sr.pptr;
+        sr.poolCopyOnInit;
 
-    // --- object methods ---
+        // Pool size must be a multiple of 4 and greater than 32.
+        // An array of bytes the size of the pool will be passed to init()
+        sr.poolSize = 256;
 
-    // public method
-    // ba: byte array
-    sr.prototype.nextBytes = function (ba) {
-        var i;
-        if (window.crypto && window.crypto.getRandomValues && window.Uint8Array) {
-            try {
-                var rvBytes = new Uint8Array(ba.length);
-                window.crypto.getRandomValues(rvBytes);
-                for (i = 0; i < ba.length; ++i)
-                    ba[i] = sr.getByte() ^ rvBytes[i];
-                return;
-            } catch (e) {
-                alert(e);
+        // --- object methods ---
+
+        // public method
+        // ba: byte array
+        sr.prototype.nextBytes = function(ba) {
+            var i;
+            if (getRandomValues && GLOBAL.Uint8Array) {
+                try {
+                    var rvBytes = new Uint8Array(ba.length);
+                    getRandomValues(rvBytes);
+                    for (i = 0; i < ba.length; ++i)
+                        ba[i] = sr.getByte() ^ rvBytes[i];
+                    return;
+                } catch (e) {
+                    alert(e);
+                }
             }
+            for (i = 0; i < ba.length; ++i) ba[i] = sr.getByte();
+        };
+
+
+        // --- static methods ---
+
+        // Mix in the current time (w/milliseconds) into the pool
+        // NOTE: this method should be called from body click/keypress event handlers to increase entropy
+        sr.seedTime = function() {
+            sr.seedInt(new Date().getTime());
         }
-        for (i = 0; i < ba.length; ++i) ba[i] = sr.getByte();
-    };
+
+        sr.getByte = function() {
+            if (sr.state == null) {
+                sr.seedTime();
+                sr.state = sr.ArcFour(); // Plug in your RNG constructor here
+                sr.state.init(sr.pool);
+                sr.poolCopyOnInit = [];
+                for (sr.pptr = 0; sr.pptr < sr.pool.length; ++sr.pptr)
+                    sr.poolCopyOnInit[sr.pptr] = sr.pool[sr.pptr];
+                sr.pptr = 0;
+            }
+            // TODO: allow reseeding after first request
+            return sr.state.next();
+        }
+
+        // Mix in a 32-bit integer into the pool
+        sr.seedInt = function(x) {
+            sr.seedInt8(x);
+            sr.seedInt8((x >> 8));
+            sr.seedInt8((x >> 16));
+            sr.seedInt8((x >> 24));
+        }
+
+        // Mix in a 16-bit integer into the pool
+        sr.seedInt16 = function(x) {
+            sr.seedInt8(x);
+            sr.seedInt8((x >> 8));
+        }
+
+        // Mix in a 8-bit integer into the pool
+        sr.seedInt8 = function(x) {
+            sr.pool[sr.pptr++] ^= x & 255;
+            if (sr.pptr >= sr.poolSize) sr.pptr -= sr.poolSize;
+        }
+
+        // Arcfour is a PRNG
+        sr.ArcFour = function() {
+            function Arcfour() {
+                this.i = 0;
+                this.j = 0;
+                this.S = new Array();
+            }
+
+            // Initialize arcfour context from key, an array of ints, each from [0..255]
+            function ARC4init(key) {
+                var i, j, t;
+                for (i = 0; i < 256; ++i)
+                    this.S[i] = i;
+                j = 0;
+                for (i = 0; i < 256; ++i) {
+                    j = (j + this.S[i] + key[i % key.length]) & 255;
+                    t = this.S[i];
+                    this.S[i] = this.S[j];
+                    this.S[j] = t;
+                }
+                this.i = 0;
+                this.j = 0;
+            }
+
+            function ARC4next() {
+                var t;
+                this.i = (this.i + 1) & 255;
+                this.j = (this.j + this.S[this.i]) & 255;
+                t = this.S[this.i];
+                this.S[this.i] = this.S[this.j];
+                this.S[this.j] = t;
+                return this.S[(t + this.S[this.i]) & 255];
+            }
+
+            Arcfour.prototype.init = ARC4init;
+            Arcfour.prototype.next = ARC4next;
+
+            return new Arcfour();
+        };
 
 
-    // --- static methods ---
-
-    // Mix in the current time (w/milliseconds) into the pool
-    // NOTE: this method should be called from body click/keypress event handlers to increase entropy
-    sr.seedTime = function () {
-        sr.seedInt(new Date().getTime());
-    }
-
-    sr.getByte = function () {
-        if (sr.state == null) {
-            sr.seedTime();
-            sr.state = sr.ArcFour(); // Plug in your RNG constructor here
-            sr.state.init(sr.pool);
-            sr.poolCopyOnInit = [];
-            for (sr.pptr = 0; sr.pptr < sr.pool.length; ++sr.pptr)
-                sr.poolCopyOnInit[sr.pptr] = sr.pool[sr.pptr];
+        // Initialize the pool with junk if needed.
+        if (sr.pool == null) {
+            sr.pool = new Array();
             sr.pptr = 0;
-        }
-        // TODO: allow reseeding after first request
-        return sr.state.next();
-    }
-
-    // Mix in a 32-bit integer into the pool
-    sr.seedInt = function (x) {
-        sr.seedInt8(x);
-        sr.seedInt8((x >> 8));
-        sr.seedInt8((x >> 16));
-        sr.seedInt8((x >> 24));
-    }
-
-    // Mix in a 16-bit integer into the pool
-    sr.seedInt16 = function (x) {
-        sr.seedInt8(x);
-        sr.seedInt8((x >> 8));
-    }
-
-    // Mix in a 8-bit integer into the pool
-    sr.seedInt8 = function (x) {
-        sr.pool[sr.pptr++] ^= x & 255;
-        if (sr.pptr >= sr.poolSize) sr.pptr -= sr.poolSize;
-    }
-
-    // Arcfour is a PRNG
-    sr.ArcFour = function () {
-        function Arcfour() {
-            this.i = 0;
-            this.j = 0;
-            this.S = new Array();
-        }
-
-        // Initialize arcfour context from key, an array of ints, each from [0..255]
-        function ARC4init(key) {
-            var i, j, t;
-            for (i = 0; i < 256; ++i)
-                this.S[i] = i;
-            j = 0;
-            for (i = 0; i < 256; ++i) {
-                j = (j + this.S[i] + key[i % key.length]) & 255;
-                t = this.S[i];
-                this.S[i] = this.S[j];
-                this.S[j] = t;
-            }
-            this.i = 0;
-            this.j = 0;
-        }
-
-        function ARC4next() {
             var t;
-            this.i = (this.i + 1) & 255;
-            this.j = (this.j + this.S[this.i]) & 255;
-            t = this.S[this.i];
-            this.S[this.i] = this.S[this.j];
-            this.S[this.j] = t;
-            return this.S[(t + this.S[this.i]) & 255];
+            if (getRandomValues && GLOBAL.Uint8Array) {
+                try {
+                    // Use webcrypto if available
+                    var ua = new Uint8Array(sr.poolSize);
+                    getRandomValues(ua);
+                    for (t = 0; t < sr.poolSize; ++t)
+                        sr.pool[sr.pptr++] = ua[t];
+                } catch (e) {
+                    alert(e);
+                }
+            }
+            while (sr.pptr < sr.poolSize) { // extract some randomness from Math.random()
+                t = Math.floor(65536 * Math.random());
+                sr.pool[sr.pptr++] = t >>> 8;
+                sr.pool[sr.pptr++] = t & 255;
+            }
+            sr.pptr = Math.floor(sr.poolSize * Math.random());
+            sr.seedTime();
+            // entropy
+            var entropyStr = "";
+            // screen size and color depth: ~4.8 to ~5.4 bits
+            entropyStr += (GLOBAL.screen.height * GLOBAL.screen.width * GLOBAL.screen.colorDepth);
+            entropyStr += (GLOBAL.screen.availHeight * GLOBAL.screen.availWidth * GLOBAL.screen.pixelDepth);
+            // time zone offset: ~4 bits
+            var dateObj = new Date();
+            var timeZoneOffset = dateObj.getTimezoneOffset();
+            entropyStr += timeZoneOffset;
+            // user agent: ~8.3 to ~11.6 bits
+            entropyStr += navigator.userAgent;
+            // browser plugin details: ~16.2 to ~21.8 bits
+            var pluginsStr = "";
+            for (var i = 0; i < navigator.plugins.length; i++) {
+                pluginsStr += navigator.plugins[i].name + " " + navigator.plugins[i].filename + " " + navigator.plugins[i].description + " " + navigator.plugins[i].version + ", ";
+            }
+            var mimeTypesStr = "";
+            for (var i = 0; i < navigator.mimeTypes.length; i++) {
+                mimeTypesStr += navigator.mimeTypes[i].description + " " + navigator.mimeTypes[i].type + " " + navigator.mimeTypes[i].suffixes + ", ";
+            }
+            entropyStr += pluginsStr + mimeTypesStr;
+            // cookies and storage: 1 bit
+            entropyStr += navigator.cookieEnabled + typeof(sessionStorage) + typeof(localStorage);
+            // language: ~7 bit
+            entropyStr += navigator.language;
+            // history: ~2 bit
+            entropyStr += GLOBAL.history.length;
+            // location
+            entropyStr += GLOBAL.location;
+
+            var entropyBytes = Crypto.SHA256(entropyStr, {
+                asBytes: true
+            });
+            for (var i = 0; i < entropyBytes.length; i++) {
+                sr.seedInt8(entropyBytes[i]);
+            }
         }
+    })(typeof global !== "undefined" ? global : window);
 
-        Arcfour.prototype.init = ARC4init;
-        Arcfour.prototype.next = ARC4next;
+    //ripemd160.js
+    (function(GLOBAL) {
 
-        return new Arcfour();
-    };
-
-
-    // Initialize the pool with junk if needed.
-    if (sr.pool == null) {
-        sr.pool = new Array();
-        sr.pptr = 0;
-        var t;
-        if (window.crypto && window.crypto.getRandomValues && window.Uint8Array) {
-            try {
-                // Use webcrypto if available
-                var ua = new Uint8Array(sr.poolSize);
-                window.crypto.getRandomValues(ua);
-                for (t = 0; t < sr.poolSize; ++t)
-                    sr.pool[sr.pptr++] = ua[t];
-            } catch (e) { alert(e); }
-        }
-        while (sr.pptr < sr.poolSize) {  // extract some randomness from Math.random()
-            t = Math.floor(65536 * Math.random());
-            sr.pool[sr.pptr++] = t >>> 8;
-            sr.pool[sr.pptr++] = t & 255;
-        }
-        sr.pptr = Math.floor(sr.poolSize * Math.random());
-        sr.seedTime();
-        // entropy
-        var entropyStr = "";
-        // screen size and color depth: ~4.8 to ~5.4 bits
-        entropyStr += (window.screen.height * window.screen.width * window.screen.colorDepth);
-        entropyStr += (window.screen.availHeight * window.screen.availWidth * window.screen.pixelDepth);
-        // time zone offset: ~4 bits
-        var dateObj = new Date();
-        var timeZoneOffset = dateObj.getTimezoneOffset();
-        entropyStr += timeZoneOffset;
-        // user agent: ~8.3 to ~11.6 bits
-        entropyStr += navigator.userAgent;
-        // browser plugin details: ~16.2 to ~21.8 bits
-        var pluginsStr = "";
-        for (var i = 0; i < navigator.plugins.length; i++) {
-            pluginsStr += navigator.plugins[i].name + " " + navigator.plugins[i].filename + " " + navigator.plugins[i].description + " " + navigator.plugins[i].version + ", ";
-        }
-        var mimeTypesStr = "";
-        for (var i = 0; i < navigator.mimeTypes.length; i++) {
-            mimeTypesStr += navigator.mimeTypes[i].description + " " + navigator.mimeTypes[i].type + " " + navigator.mimeTypes[i].suffixes + ", ";
-        }
-        entropyStr += pluginsStr + mimeTypesStr;
-        // cookies and storage: 1 bit
-        entropyStr += navigator.cookieEnabled + typeof (sessionStorage) + typeof (localStorage);
-        // language: ~7 bit
-        entropyStr += navigator.language;
-        // history: ~2 bit
-        entropyStr += window.history.length;
-        // location
-        entropyStr += window.location;
-
-        var entropyBytes = Crypto.SHA256(entropyStr, { asBytes: true });
-        for (var i = 0 ; i < entropyBytes.length ; i++) {
-            sr.seedInt8(entropyBytes[i]);
-        }
-    }
-})();
-
-
-        //ripemd160.js
         /*
         CryptoJS v3.1.2
         code.google.com/p/crypto-js
@@ -820,7 +703,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
         var hl = [0x00000000, 0x5A827999, 0x6ED9EBA1, 0x8F1BBCDC, 0xA953FD4E];
         var hr = [0x50A28BE6, 0x5C4DD124, 0x6D703EF3, 0x7A6D76E9, 0x00000000];
 
-        var bytesToWords = function (bytes) {
+        var bytesToWords = function(bytes) {
             var words = [];
             for (var i = 0, b = 0; i < bytes.length; i++, b += 8) {
                 words[b >>> 5] |= bytes[i] << (24 - b % 32);
@@ -828,7 +711,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
             return words;
         };
 
-        var wordsToBytes = function (words) {
+        var wordsToBytes = function(words) {
             var bytes = [];
             for (var b = 0; b < words.length * 32; b += 8) {
                 bytes.push((words[b >>> 5] >>> (24 - b % 32)) & 0xFF);
@@ -836,7 +719,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
             return bytes;
         };
 
-        var processBlock = function (H, M, offset) {
+        var processBlock = function(H, M, offset) {
 
             // Swap endian
             for (var i = 0; i < 16; i++) {
@@ -937,7 +820,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
             return (x << n) | (x >>> (32 - n));
         }
 
-        function ripemd160(message) {
+        GLOBAL.ripemd160 = function ripemd160(message) {
             var H = [0x67452301, 0xEFCDAB89, 0x98BADCFE, 0x10325476, 0xC3D2E1F0];
 
             var m = bytesToWords(message);
@@ -969,1572 +852,1293 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
             var digestbytes = wordsToBytes(H);
             return digestbytes;
         }
+    })(typeof global !== "undefined" ? global : window);
 
-
-
-
-
-
+    //BigInteger.js
+    (function(GLOBAL) {
         // Upstream 'BigInteger' here:
         // Original Author: http://www-cs-students.stanford.edu/~tjw/jsbn/
         // Follows 'jsbn' on Github: https://github.com/jasondavies/jsbn
         // Review and Testing: https://github.com/cryptocoinjs/bigi/
         /*!
-        * Basic JavaScript BN library - subset useful for RSA encryption. v1.4
-        *
-        * Copyright (c) 2005  Tom Wu
-        * All Rights Reserved.
-        * BSD License
-        * http://www-cs-students.stanford.edu/~tjw/jsbn/LICENSE
-        *
-        * Copyright Stephan Thomas
-        * Copyright pointbiz
-        */
+         * Basic JavaScript BN library - subset useful for RSA encryption. v1.4
+         *
+         * Copyright (c) 2005  Tom Wu
+         * All Rights Reserved.
+         * BSD License
+         * http://www-cs-students.stanford.edu/~tjw/jsbn/LICENSE
+         *
+         * Copyright Stephan Thomas
+         * Copyright pointbiz
+         */
 
-        (function () {
+        // (public) Constructor function of Global BigInteger object
+        var BigInteger = GLOBAL.BigInteger = function BigInteger(a, b, c) {
+            if (!(this instanceof BigInteger))
+                return new BigInteger(a, b, c);
 
-            // (public) Constructor function of Global BigInteger object
-            var BigInteger = window.BigInteger = function BigInteger(a, b, c) {
-                if (!(this instanceof BigInteger))
-                    return new BigInteger(a, b, c);
+            if (a != null)
+                if ("number" == typeof a) this.fromNumber(a, b, c);
+                else if (b == null && "string" != typeof a) this.fromString(a, 256);
+            else this.fromString(a, b);
+        };
 
-                if (a != null)
-                    if ("number" == typeof a) this.fromNumber(a, b, c);
-                    else if (b == null && "string" != typeof a) this.fromString(a, 256);
-                else this.fromString(a, b);
-            };
+        // Bits per digit
+        var dbits;
 
-            // Bits per digit
-            var dbits;
+        // JavaScript engine analysis
+        var canary = 0xdeadbeefcafe;
+        var j_lm = ((canary & 0xffffff) == 0xefcafe);
 
-            // JavaScript engine analysis
-            var canary = 0xdeadbeefcafe;
-            var j_lm = ((canary & 0xffffff) == 0xefcafe);
+        // return new, unset BigInteger
+        function nbi() {
+            return new BigInteger(null);
+        }
 
-            // return new, unset BigInteger
-            function nbi() {
-                return new BigInteger(null);
+        // am: Compute w_j += (x*this_i), propagate carries,
+        // c is initial carry, returns final carry.
+        // c < 3*dvalue, x < 2*dvalue, this_i < dvalue
+        // We need to select the fastest one that works in this environment.
+
+        // am1: use a single mult and divide to get the high bits,
+        // max digit bits should be 26 because
+        // max internal value = 2*dvalue^2-2*dvalue (< 2^53)
+        function am1(i, x, w, j, c, n) {
+            while (--n >= 0) {
+                var v = x * this[i++] + w[j] + c;
+                c = Math.floor(v / 0x4000000);
+                w[j++] = v & 0x3ffffff;
             }
-
-            // am: Compute w_j += (x*this_i), propagate carries,
-            // c is initial carry, returns final carry.
-            // c < 3*dvalue, x < 2*dvalue, this_i < dvalue
-            // We need to select the fastest one that works in this environment.
-
-            // am1: use a single mult and divide to get the high bits,
-            // max digit bits should be 26 because
-            // max internal value = 2*dvalue^2-2*dvalue (< 2^53)
-            function am1(i, x, w, j, c, n) {
-                while (--n >= 0) {
-                    var v = x * this[i++] + w[j] + c;
-                    c = Math.floor(v / 0x4000000);
-                    w[j++] = v & 0x3ffffff;
-                }
-                return c;
+            return c;
+        }
+        // am2 avoids a big mult-and-extract completely.
+        // Max digit bits should be <= 30 because we do bitwise ops
+        // on values up to 2*hdvalue^2-hdvalue-1 (< 2^31)
+        function am2(i, x, w, j, c, n) {
+            var xl = x & 0x7fff,
+                xh = x >> 15;
+            while (--n >= 0) {
+                var l = this[i] & 0x7fff;
+                var h = this[i++] >> 15;
+                var m = xh * l + h * xl;
+                l = xl * l + ((m & 0x7fff) << 15) + w[j] + (c & 0x3fffffff);
+                c = (l >>> 30) + (m >>> 15) + xh * h + (c >>> 30);
+                w[j++] = l & 0x3fffffff;
             }
-            // am2 avoids a big mult-and-extract completely.
-            // Max digit bits should be <= 30 because we do bitwise ops
-            // on values up to 2*hdvalue^2-hdvalue-1 (< 2^31)
-            function am2(i, x, w, j, c, n) {
-                var xl = x & 0x7fff,
-                    xh = x >> 15;
-                while (--n >= 0) {
-                    var l = this[i] & 0x7fff;
-                    var h = this[i++] >> 15;
-                    var m = xh * l + h * xl;
-                    l = xl * l + ((m & 0x7fff) << 15) + w[j] + (c & 0x3fffffff);
-                    c = (l >>> 30) + (m >>> 15) + xh * h + (c >>> 30);
-                    w[j++] = l & 0x3fffffff;
-                }
-                return c;
+            return c;
+        }
+        // Alternately, set max digit bits to 28 since some
+        // browsers slow down when dealing with 32-bit numbers.
+        function am3(i, x, w, j, c, n) {
+            var xl = x & 0x3fff,
+                xh = x >> 14;
+            while (--n >= 0) {
+                var l = this[i] & 0x3fff;
+                var h = this[i++] >> 14;
+                var m = xh * l + h * xl;
+                l = xl * l + ((m & 0x3fff) << 14) + w[j] + c;
+                c = (l >> 28) + (m >> 14) + xh * h;
+                w[j++] = l & 0xfffffff;
             }
-            // Alternately, set max digit bits to 28 since some
-            // browsers slow down when dealing with 32-bit numbers.
-            function am3(i, x, w, j, c, n) {
-                var xl = x & 0x3fff,
-                    xh = x >> 14;
-                while (--n >= 0) {
-                    var l = this[i] & 0x3fff;
-                    var h = this[i++] >> 14;
-                    var m = xh * l + h * xl;
-                    l = xl * l + ((m & 0x3fff) << 14) + w[j] + c;
-                    c = (l >> 28) + (m >> 14) + xh * h;
-                    w[j++] = l & 0xfffffff;
-                }
-                return c;
+            return c;
+        }
+        if (j_lm && (navigator.appName == "Microsoft Internet Explorer")) {
+            BigInteger.prototype.am = am2;
+            dbits = 30;
+        } else if (j_lm && (navigator.appName != "Netscape")) {
+            BigInteger.prototype.am = am1;
+            dbits = 26;
+        } else { // Mozilla/Netscape seems to prefer am3
+            BigInteger.prototype.am = am3;
+            dbits = 28;
+        }
+
+        BigInteger.prototype.DB = dbits;
+        BigInteger.prototype.DM = ((1 << dbits) - 1);
+        BigInteger.prototype.DV = (1 << dbits);
+
+        var BI_FP = 52;
+        BigInteger.prototype.FV = Math.pow(2, BI_FP);
+        BigInteger.prototype.F1 = BI_FP - dbits;
+        BigInteger.prototype.F2 = 2 * dbits - BI_FP;
+
+        // Digit conversions
+        var BI_RM = "0123456789abcdefghijklmnopqrstuvwxyz";
+        var BI_RC = new Array();
+        var rr, vv;
+        rr = "0".charCodeAt(0);
+        for (vv = 0; vv <= 9; ++vv) BI_RC[rr++] = vv;
+        rr = "a".charCodeAt(0);
+        for (vv = 10; vv < 36; ++vv) BI_RC[rr++] = vv;
+        rr = "A".charCodeAt(0);
+        for (vv = 10; vv < 36; ++vv) BI_RC[rr++] = vv;
+
+        function int2char(n) {
+            return BI_RM.charAt(n);
+        }
+
+        function intAt(s, i) {
+            var c = BI_RC[s.charCodeAt(i)];
+            return (c == null) ? -1 : c;
+        }
+
+
+
+        // return bigint initialized to value
+        function nbv(i) {
+            var r = nbi();
+            r.fromInt(i);
+            return r;
+        }
+
+
+        // returns bit length of the integer x
+        function nbits(x) {
+            var r = 1,
+                t;
+            if ((t = x >>> 16) != 0) {
+                x = t;
+                r += 16;
             }
-            if (j_lm && (navigator.appName == "Microsoft Internet Explorer")) {
-                BigInteger.prototype.am = am2;
-                dbits = 30;
-            } else if (j_lm && (navigator.appName != "Netscape")) {
-                BigInteger.prototype.am = am1;
-                dbits = 26;
-            } else { // Mozilla/Netscape seems to prefer am3
-                BigInteger.prototype.am = am3;
-                dbits = 28;
+            if ((t = x >> 8) != 0) {
+                x = t;
+                r += 8;
             }
-
-            BigInteger.prototype.DB = dbits;
-            BigInteger.prototype.DM = ((1 << dbits) - 1);
-            BigInteger.prototype.DV = (1 << dbits);
-
-            var BI_FP = 52;
-            BigInteger.prototype.FV = Math.pow(2, BI_FP);
-            BigInteger.prototype.F1 = BI_FP - dbits;
-            BigInteger.prototype.F2 = 2 * dbits - BI_FP;
-
-            // Digit conversions
-            var BI_RM = "0123456789abcdefghijklmnopqrstuvwxyz";
-            var BI_RC = new Array();
-            var rr, vv;
-            rr = "0".charCodeAt(0);
-            for (vv = 0; vv <= 9; ++vv) BI_RC[rr++] = vv;
-            rr = "a".charCodeAt(0);
-            for (vv = 10; vv < 36; ++vv) BI_RC[rr++] = vv;
-            rr = "A".charCodeAt(0);
-            for (vv = 10; vv < 36; ++vv) BI_RC[rr++] = vv;
-
-            function int2char(n) {
-                return BI_RM.charAt(n);
+            if ((t = x >> 4) != 0) {
+                x = t;
+                r += 4;
             }
-
-            function intAt(s, i) {
-                var c = BI_RC[s.charCodeAt(i)];
-                return (c == null) ? -1 : c;
+            if ((t = x >> 2) != 0) {
+                x = t;
+                r += 2;
             }
-
-
-
-            // return bigint initialized to value
-            function nbv(i) {
-                var r = nbi();
-                r.fromInt(i);
-                return r;
+            if ((t = x >> 1) != 0) {
+                x = t;
+                r += 1;
             }
+            return r;
+        }
 
 
-            // returns bit length of the integer x
-            function nbits(x) {
-                var r = 1,
-                    t;
-                if ((t = x >>> 16) != 0) {
-                    x = t;
-                    r += 16;
-                }
-                if ((t = x >> 8) != 0) {
-                    x = t;
-                    r += 8;
-                }
-                if ((t = x >> 4) != 0) {
-                    x = t;
-                    r += 4;
-                }
-                if ((t = x >> 2) != 0) {
-                    x = t;
-                    r += 2;
-                }
-                if ((t = x >> 1) != 0) {
-                    x = t;
-                    r += 1;
-                }
-                return r;
+
+
+
+
+
+        // (protected) copy this to r
+        BigInteger.prototype.copyTo = function(r) {
+            for (var i = this.t - 1; i >= 0; --i) r[i] = this[i];
+            r.t = this.t;
+            r.s = this.s;
+        };
+
+
+        // (protected) set from integer value x, -DV <= x < DV
+        BigInteger.prototype.fromInt = function(x) {
+            this.t = 1;
+            this.s = (x < 0) ? -1 : 0;
+            if (x > 0) this[0] = x;
+            else if (x < -1) this[0] = x + this.DV;
+            else this.t = 0;
+        };
+
+        // (protected) set from string and radix
+        BigInteger.prototype.fromString = function(s, b) {
+            var k;
+            if (b == 16) k = 4;
+            else if (b == 8) k = 3;
+            else if (b == 256) k = 8; // byte array
+            else if (b == 2) k = 1;
+            else if (b == 32) k = 5;
+            else if (b == 4) k = 2;
+            else {
+                this.fromRadix(s, b);
+                return;
             }
-
-
-
-
-
-
-
-            // (protected) copy this to r
-            BigInteger.prototype.copyTo = function (r) {
-                for (var i = this.t - 1; i >= 0; --i) r[i] = this[i];
-                r.t = this.t;
-                r.s = this.s;
-            };
-
-
-            // (protected) set from integer value x, -DV <= x < DV
-            BigInteger.prototype.fromInt = function (x) {
-                this.t = 1;
-                this.s = (x < 0) ? -1 : 0;
-                if (x > 0) this[0] = x;
-                else if (x < -1) this[0] = x + this.DV;
-                else this.t = 0;
-            };
-
-            // (protected) set from string and radix
-            BigInteger.prototype.fromString = function (s, b) {
-                var k;
-                if (b == 16) k = 4;
-                else if (b == 8) k = 3;
-                else if (b == 256) k = 8; // byte array
-                else if (b == 2) k = 1;
-                else if (b == 32) k = 5;
-                else if (b == 4) k = 2;
-                else {
-                    this.fromRadix(s, b);
-                    return;
+            this.t = 0;
+            this.s = 0;
+            var i = s.length,
+                mi = false,
+                sh = 0;
+            while (--i >= 0) {
+                var x = (k == 8) ? s[i] & 0xff : intAt(s, i);
+                if (x < 0) {
+                    if (s.charAt(i) == "-") mi = true;
+                    continue;
                 }
-                this.t = 0;
-                this.s = 0;
-                var i = s.length,
-                    mi = false,
-                    sh = 0;
-                while (--i >= 0) {
-                    var x = (k == 8) ? s[i] & 0xff : intAt(s, i);
-                    if (x < 0) {
-                        if (s.charAt(i) == "-") mi = true;
-                        continue;
-                    }
-                    mi = false;
-                    if (sh == 0)
-                        this[this.t++] = x;
-                    else if (sh + k > this.DB) {
-                        this[this.t - 1] |= (x & ((1 << (this.DB - sh)) - 1)) << sh;
-                        this[this.t++] = (x >> (this.DB - sh));
-                    } else
-                        this[this.t - 1] |= x << sh;
-                    sh += k;
-                    if (sh >= this.DB) sh -= this.DB;
-                }
-                if (k == 8 && (s[0] & 0x80) != 0) {
-                    this.s = -1;
-                    if (sh > 0) this[this.t - 1] |= ((1 << (this.DB - sh)) - 1) << sh;
-                }
-                this.clamp();
-                if (mi) BigInteger.ZERO.subTo(this, this);
-            };
+                mi = false;
+                if (sh == 0)
+                    this[this.t++] = x;
+                else if (sh + k > this.DB) {
+                    this[this.t - 1] |= (x & ((1 << (this.DB - sh)) - 1)) << sh;
+                    this[this.t++] = (x >> (this.DB - sh));
+                } else
+                    this[this.t - 1] |= x << sh;
+                sh += k;
+                if (sh >= this.DB) sh -= this.DB;
+            }
+            if (k == 8 && (s[0] & 0x80) != 0) {
+                this.s = -1;
+                if (sh > 0) this[this.t - 1] |= ((1 << (this.DB - sh)) - 1) << sh;
+            }
+            this.clamp();
+            if (mi) BigInteger.ZERO.subTo(this, this);
+        };
 
 
-            // (protected) clamp off excess high words
-            BigInteger.prototype.clamp = function () {
-                var c = this.s & this.DM;
-                while (this.t > 0 && this[this.t - 1] == c) --this.t;
-            };
+        // (protected) clamp off excess high words
+        BigInteger.prototype.clamp = function() {
+            var c = this.s & this.DM;
+            while (this.t > 0 && this[this.t - 1] == c) --this.t;
+        };
 
-            // (protected) r = this << n*DB
-            BigInteger.prototype.dlShiftTo = function (n, r) {
-                var i;
-                for (i = this.t - 1; i >= 0; --i) r[i + n] = this[i];
-                for (i = n - 1; i >= 0; --i) r[i] = 0;
-                r.t = this.t + n;
-                r.s = this.s;
-            };
+        // (protected) r = this << n*DB
+        BigInteger.prototype.dlShiftTo = function(n, r) {
+            var i;
+            for (i = this.t - 1; i >= 0; --i) r[i + n] = this[i];
+            for (i = n - 1; i >= 0; --i) r[i] = 0;
+            r.t = this.t + n;
+            r.s = this.s;
+        };
 
-            // (protected) r = this >> n*DB
-            BigInteger.prototype.drShiftTo = function (n, r) {
-                for (var i = n; i < this.t; ++i) r[i - n] = this[i];
-                r.t = Math.max(this.t - n, 0);
-                r.s = this.s;
-            };
+        // (protected) r = this >> n*DB
+        BigInteger.prototype.drShiftTo = function(n, r) {
+            for (var i = n; i < this.t; ++i) r[i - n] = this[i];
+            r.t = Math.max(this.t - n, 0);
+            r.s = this.s;
+        };
 
 
-            // (protected) r = this << n
-            BigInteger.prototype.lShiftTo = function (n, r) {
-                var bs = n % this.DB;
-                var cbs = this.DB - bs;
-                var bm = (1 << cbs) - 1;
-                var ds = Math.floor(n / this.DB),
-                    c = (this.s << bs) & this.DM,
-                    i;
-                for (i = this.t - 1; i >= 0; --i) {
-                    r[i + ds + 1] = (this[i] >> cbs) | c;
-                    c = (this[i] & bm) << bs;
-                }
-                for (i = ds - 1; i >= 0; --i) r[i] = 0;
-                r[ds] = c;
-                r.t = this.t + ds + 1;
-                r.s = this.s;
-                r.clamp();
-            };
+        // (protected) r = this << n
+        BigInteger.prototype.lShiftTo = function(n, r) {
+            var bs = n % this.DB;
+            var cbs = this.DB - bs;
+            var bm = (1 << cbs) - 1;
+            var ds = Math.floor(n / this.DB),
+                c = (this.s << bs) & this.DM,
+                i;
+            for (i = this.t - 1; i >= 0; --i) {
+                r[i + ds + 1] = (this[i] >> cbs) | c;
+                c = (this[i] & bm) << bs;
+            }
+            for (i = ds - 1; i >= 0; --i) r[i] = 0;
+            r[ds] = c;
+            r.t = this.t + ds + 1;
+            r.s = this.s;
+            r.clamp();
+        };
 
 
-            // (protected) r = this >> n
-            BigInteger.prototype.rShiftTo = function (n, r) {
-                r.s = this.s;
-                var ds = Math.floor(n / this.DB);
-                if (ds >= this.t) {
-                    r.t = 0;
-                    return;
-                }
-                var bs = n % this.DB;
-                var cbs = this.DB - bs;
-                var bm = (1 << bs) - 1;
-                r[0] = this[ds] >> bs;
-                for (var i = ds + 1; i < this.t; ++i) {
-                    r[i - ds - 1] |= (this[i] & bm) << cbs;
-                    r[i - ds] = this[i] >> bs;
-                }
-                if (bs > 0) r[this.t - ds - 1] |= (this.s & bm) << cbs;
-                r.t = this.t - ds;
-                r.clamp();
-            };
+        // (protected) r = this >> n
+        BigInteger.prototype.rShiftTo = function(n, r) {
+            r.s = this.s;
+            var ds = Math.floor(n / this.DB);
+            if (ds >= this.t) {
+                r.t = 0;
+                return;
+            }
+            var bs = n % this.DB;
+            var cbs = this.DB - bs;
+            var bm = (1 << bs) - 1;
+            r[0] = this[ds] >> bs;
+            for (var i = ds + 1; i < this.t; ++i) {
+                r[i - ds - 1] |= (this[i] & bm) << cbs;
+                r[i - ds] = this[i] >> bs;
+            }
+            if (bs > 0) r[this.t - ds - 1] |= (this.s & bm) << cbs;
+            r.t = this.t - ds;
+            r.clamp();
+        };
 
 
-            // (protected) r = this - a
-            BigInteger.prototype.subTo = function (a, r) {
-                var i = 0,
-                    c = 0,
-                    m = Math.min(a.t, this.t);
-                while (i < m) {
-                    c += this[i] - a[i];
+        // (protected) r = this - a
+        BigInteger.prototype.subTo = function(a, r) {
+            var i = 0,
+                c = 0,
+                m = Math.min(a.t, this.t);
+            while (i < m) {
+                c += this[i] - a[i];
+                r[i++] = c & this.DM;
+                c >>= this.DB;
+            }
+            if (a.t < this.t) {
+                c -= a.s;
+                while (i < this.t) {
+                    c += this[i];
                     r[i++] = c & this.DM;
                     c >>= this.DB;
                 }
-                if (a.t < this.t) {
-                    c -= a.s;
-                    while (i < this.t) {
-                        c += this[i];
-                        r[i++] = c & this.DM;
-                        c >>= this.DB;
-                    }
-                    c += this.s;
-                } else {
-                    c += this.s;
-                    while (i < a.t) {
-                        c -= a[i];
-                        r[i++] = c & this.DM;
-                        c >>= this.DB;
-                    }
-                    c -= a.s;
+                c += this.s;
+            } else {
+                c += this.s;
+                while (i < a.t) {
+                    c -= a[i];
+                    r[i++] = c & this.DM;
+                    c >>= this.DB;
                 }
-                r.s = (c < 0) ? -1 : 0;
-                if (c < -1) r[i++] = this.DV + c;
-                else if (c > 0) r[i++] = c;
-                r.t = i;
-                r.clamp();
-            };
+                c -= a.s;
+            }
+            r.s = (c < 0) ? -1 : 0;
+            if (c < -1) r[i++] = this.DV + c;
+            else if (c > 0) r[i++] = c;
+            r.t = i;
+            r.clamp();
+        };
 
 
-            // (protected) r = this * a, r != this,a (HAC 14.12)
-            // "this" should be the larger one if appropriate.
-            BigInteger.prototype.multiplyTo = function (a, r) {
-                var x = this.abs(),
-                    y = a.abs();
-                var i = x.t;
-                r.t = i + y.t;
-                while (--i >= 0) r[i] = 0;
-                for (i = 0; i < y.t; ++i) r[i + x.t] = x.am(0, y[i], r, i, 0, x.t);
-                r.s = 0;
-                r.clamp();
-                if (this.s != a.s) BigInteger.ZERO.subTo(r, r);
-            };
+        // (protected) r = this * a, r != this,a (HAC 14.12)
+        // "this" should be the larger one if appropriate.
+        BigInteger.prototype.multiplyTo = function(a, r) {
+            var x = this.abs(),
+                y = a.abs();
+            var i = x.t;
+            r.t = i + y.t;
+            while (--i >= 0) r[i] = 0;
+            for (i = 0; i < y.t; ++i) r[i + x.t] = x.am(0, y[i], r, i, 0, x.t);
+            r.s = 0;
+            r.clamp();
+            if (this.s != a.s) BigInteger.ZERO.subTo(r, r);
+        };
 
 
-            // (protected) r = this^2, r != this (HAC 14.16)
-            BigInteger.prototype.squareTo = function (r) {
-                var x = this.abs();
-                var i = r.t = 2 * x.t;
-                while (--i >= 0) r[i] = 0;
-                for (i = 0; i < x.t - 1; ++i) {
-                    var c = x.am(i, x[i], r, 2 * i, 0, 1);
-                    if ((r[i + x.t] += x.am(i + 1, 2 * x[i], r, 2 * i + 1, c, x.t - i - 1)) >= x.DV) {
-                        r[i + x.t] -= x.DV;
-                        r[i + x.t + 1] = 1;
-                    }
+        // (protected) r = this^2, r != this (HAC 14.16)
+        BigInteger.prototype.squareTo = function(r) {
+            var x = this.abs();
+            var i = r.t = 2 * x.t;
+            while (--i >= 0) r[i] = 0;
+            for (i = 0; i < x.t - 1; ++i) {
+                var c = x.am(i, x[i], r, 2 * i, 0, 1);
+                if ((r[i + x.t] += x.am(i + 1, 2 * x[i], r, 2 * i + 1, c, x.t - i - 1)) >= x.DV) {
+                    r[i + x.t] -= x.DV;
+                    r[i + x.t + 1] = 1;
                 }
-                if (r.t > 0) r[r.t - 1] += x.am(i, x[i], r, 2 * i, 0, 1);
-                r.s = 0;
-                r.clamp();
-            };
+            }
+            if (r.t > 0) r[r.t - 1] += x.am(i, x[i], r, 2 * i, 0, 1);
+            r.s = 0;
+            r.clamp();
+        };
 
 
 
-            // (protected) divide this by m, quotient and remainder to q, r (HAC 14.20)
-            // r != q, this != m.  q or r may be null.
-            BigInteger.prototype.divRemTo = function (m, q, r) {
-                var pm = m.abs();
-                if (pm.t <= 0) return;
-                var pt = this.abs();
-                if (pt.t < pm.t) {
-                    if (q != null) q.fromInt(0);
-                    if (r != null) this.copyTo(r);
-                    return;
-                }
-                if (r == null) r = nbi();
-                var y = nbi(),
-                    ts = this.s,
-                    ms = m.s;
-                var nsh = this.DB - nbits(pm[pm.t - 1]); // normalize modulus
-                if (nsh > 0) {
-                    pm.lShiftTo(nsh, y);
-                    pt.lShiftTo(nsh, r);
-                } else {
-                    pm.copyTo(y);
-                    pt.copyTo(r);
-                }
-                var ys = y.t;
-                var y0 = y[ys - 1];
-                if (y0 == 0) return;
-                var yt = y0 * (1 << this.F1) + ((ys > 1) ? y[ys - 2] >> this.F2 : 0);
-                var d1 = this.FV / yt,
-                    d2 = (1 << this.F1) / yt,
-                    e = 1 << this.F2;
-                var i = r.t,
-                    j = i - ys,
-                    t = (q == null) ? nbi() : q;
-                y.dlShiftTo(j, t);
-                if (r.compareTo(t) >= 0) {
-                    r[r.t++] = 1;
+        // (protected) divide this by m, quotient and remainder to q, r (HAC 14.20)
+        // r != q, this != m.  q or r may be null.
+        BigInteger.prototype.divRemTo = function(m, q, r) {
+            var pm = m.abs();
+            if (pm.t <= 0) return;
+            var pt = this.abs();
+            if (pt.t < pm.t) {
+                if (q != null) q.fromInt(0);
+                if (r != null) this.copyTo(r);
+                return;
+            }
+            if (r == null) r = nbi();
+            var y = nbi(),
+                ts = this.s,
+                ms = m.s;
+            var nsh = this.DB - nbits(pm[pm.t - 1]); // normalize modulus
+            if (nsh > 0) {
+                pm.lShiftTo(nsh, y);
+                pt.lShiftTo(nsh, r);
+            } else {
+                pm.copyTo(y);
+                pt.copyTo(r);
+            }
+            var ys = y.t;
+            var y0 = y[ys - 1];
+            if (y0 == 0) return;
+            var yt = y0 * (1 << this.F1) + ((ys > 1) ? y[ys - 2] >> this.F2 : 0);
+            var d1 = this.FV / yt,
+                d2 = (1 << this.F1) / yt,
+                e = 1 << this.F2;
+            var i = r.t,
+                j = i - ys,
+                t = (q == null) ? nbi() : q;
+            y.dlShiftTo(j, t);
+            if (r.compareTo(t) >= 0) {
+                r[r.t++] = 1;
+                r.subTo(t, r);
+            }
+            BigInteger.ONE.dlShiftTo(ys, t);
+            t.subTo(y, y); // "negative" y so we can replace sub with am later
+            while (y.t < ys) y[y.t++] = 0;
+            while (--j >= 0) {
+                // Estimate quotient digit
+                var qd = (r[--i] == y0) ? this.DM : Math.floor(r[i] * d1 + (r[i - 1] + e) * d2);
+                if ((r[i] += y.am(0, qd, r, j, 0, ys)) < qd) { // Try it out
+                    y.dlShiftTo(j, t);
                     r.subTo(t, r);
+                    while (r[i] < --qd) r.subTo(t, r);
                 }
-                BigInteger.ONE.dlShiftTo(ys, t);
-                t.subTo(y, y); // "negative" y so we can replace sub with am later
-                while (y.t < ys) y[y.t++] = 0;
-                while (--j >= 0) {
-                    // Estimate quotient digit
-                    var qd = (r[--i] == y0) ? this.DM : Math.floor(r[i] * d1 + (r[i - 1] + e) * d2);
-                    if ((r[i] += y.am(0, qd, r, j, 0, ys)) < qd) { // Try it out
-                        y.dlShiftTo(j, t);
-                        r.subTo(t, r);
-                        while (r[i] < --qd) r.subTo(t, r);
-                    }
+            }
+            if (q != null) {
+                r.drShiftTo(ys, q);
+                if (ts != ms) BigInteger.ZERO.subTo(q, q);
+            }
+            r.t = ys;
+            r.clamp();
+            if (nsh > 0) r.rShiftTo(nsh, r); // Denormalize remainder
+            if (ts < 0) BigInteger.ZERO.subTo(r, r);
+        };
+
+
+        // (protected) return "-1/this % 2^DB"; useful for Mont. reduction
+        // justification:
+        //         xy == 1 (mod m)
+        //         xy =  1+km
+        //   xy(2-xy) = (1+km)(1-km)
+        // x[y(2-xy)] = 1-k^2m^2
+        // x[y(2-xy)] == 1 (mod m^2)
+        // if y is 1/x mod m, then y(2-xy) is 1/x mod m^2
+        // should reduce x and y(2-xy) by m^2 at each step to keep size bounded.
+        // JS multiply "overflows" differently from C/C++, so care is needed here.
+        BigInteger.prototype.invDigit = function() {
+            if (this.t < 1) return 0;
+            var x = this[0];
+            if ((x & 1) == 0) return 0;
+            var y = x & 3; // y == 1/x mod 2^2
+            y = (y * (2 - (x & 0xf) * y)) & 0xf; // y == 1/x mod 2^4
+            y = (y * (2 - (x & 0xff) * y)) & 0xff; // y == 1/x mod 2^8
+            y = (y * (2 - (((x & 0xffff) * y) & 0xffff))) & 0xffff; // y == 1/x mod 2^16
+            // last step - calculate inverse mod DV directly;
+            // assumes 16 < DB <= 32 and assumes ability to handle 48-bit ints
+            y = (y * (2 - x * y % this.DV)) % this.DV; // y == 1/x mod 2^dbits
+            // we really want the negative inverse, and -DV < y < DV
+            return (y > 0) ? this.DV - y : -y;
+        };
+
+
+        // (protected) true iff this is even
+        BigInteger.prototype.isEven = function() {
+            return ((this.t > 0) ? (this[0] & 1) : this.s) == 0;
+        };
+
+
+        // (protected) this^e, e < 2^32, doing sqr and mul with "r" (HAC 14.79)
+        BigInteger.prototype.exp = function(e, z) {
+            if (e > 0xffffffff || e < 1) return BigInteger.ONE;
+            var r = nbi(),
+                r2 = nbi(),
+                g = z.convert(this),
+                i = nbits(e) - 1;
+            g.copyTo(r);
+            while (--i >= 0) {
+                z.sqrTo(r, r2);
+                if ((e & (1 << i)) > 0) z.mulTo(r2, g, r);
+                else {
+                    var t = r;
+                    r = r2;
+                    r2 = t;
                 }
-                if (q != null) {
-                    r.drShiftTo(ys, q);
-                    if (ts != ms) BigInteger.ZERO.subTo(q, q);
+            }
+            return z.revert(r);
+        };
+
+
+        // (public) return string representation in given radix
+        BigInteger.prototype.toString = function(b) {
+            if (this.s < 0) return "-" + this.negate().toString(b);
+            var k;
+            if (b == 16) k = 4;
+            else if (b == 8) k = 3;
+            else if (b == 2) k = 1;
+            else if (b == 32) k = 5;
+            else if (b == 4) k = 2;
+            else return this.toRadix(b);
+            var km = (1 << k) - 1,
+                d, m = false,
+                r = "",
+                i = this.t;
+            var p = this.DB - (i * this.DB) % k;
+            if (i-- > 0) {
+                if (p < this.DB && (d = this[i] >> p) > 0) {
+                    m = true;
+                    r = int2char(d);
                 }
-                r.t = ys;
-                r.clamp();
-                if (nsh > 0) r.rShiftTo(nsh, r); // Denormalize remainder
-                if (ts < 0) BigInteger.ZERO.subTo(r, r);
-            };
-
-
-            // (protected) return "-1/this % 2^DB"; useful for Mont. reduction
-            // justification:
-            //         xy == 1 (mod m)
-            //         xy =  1+km
-            //   xy(2-xy) = (1+km)(1-km)
-            // x[y(2-xy)] = 1-k^2m^2
-            // x[y(2-xy)] == 1 (mod m^2)
-            // if y is 1/x mod m, then y(2-xy) is 1/x mod m^2
-            // should reduce x and y(2-xy) by m^2 at each step to keep size bounded.
-            // JS multiply "overflows" differently from C/C++, so care is needed here.
-            BigInteger.prototype.invDigit = function () {
-                if (this.t < 1) return 0;
-                var x = this[0];
-                if ((x & 1) == 0) return 0;
-                var y = x & 3; // y == 1/x mod 2^2
-                y = (y * (2 - (x & 0xf) * y)) & 0xf; // y == 1/x mod 2^4
-                y = (y * (2 - (x & 0xff) * y)) & 0xff; // y == 1/x mod 2^8
-                y = (y * (2 - (((x & 0xffff) * y) & 0xffff))) & 0xffff; // y == 1/x mod 2^16
-                // last step - calculate inverse mod DV directly;
-                // assumes 16 < DB <= 32 and assumes ability to handle 48-bit ints
-                y = (y * (2 - x * y % this.DV)) % this.DV; // y == 1/x mod 2^dbits
-                // we really want the negative inverse, and -DV < y < DV
-                return (y > 0) ? this.DV - y : -y;
-            };
-
-
-            // (protected) true iff this is even
-            BigInteger.prototype.isEven = function () {
-                return ((this.t > 0) ? (this[0] & 1) : this.s) == 0;
-            };
-
-
-            // (protected) this^e, e < 2^32, doing sqr and mul with "r" (HAC 14.79)
-            BigInteger.prototype.exp = function (e, z) {
-                if (e > 0xffffffff || e < 1) return BigInteger.ONE;
-                var r = nbi(),
-                    r2 = nbi(),
-                    g = z.convert(this),
-                    i = nbits(e) - 1;
-                g.copyTo(r);
-                while (--i >= 0) {
-                    z.sqrTo(r, r2);
-                    if ((e & (1 << i)) > 0) z.mulTo(r2, g, r);
-                    else {
-                        var t = r;
-                        r = r2;
-                        r2 = t;
-                    }
-                }
-                return z.revert(r);
-            };
-
-
-            // (public) return string representation in given radix
-            BigInteger.prototype.toString = function (b) {
-                if (this.s < 0) return "-" + this.negate().toString(b);
-                var k;
-                if (b == 16) k = 4;
-                else if (b == 8) k = 3;
-                else if (b == 2) k = 1;
-                else if (b == 32) k = 5;
-                else if (b == 4) k = 2;
-                else return this.toRadix(b);
-                var km = (1 << k) - 1,
-                    d, m = false,
-                    r = "",
-                    i = this.t;
-                var p = this.DB - (i * this.DB) % k;
-                if (i-- > 0) {
-                    if (p < this.DB && (d = this[i] >> p) > 0) {
-                        m = true;
-                        r = int2char(d);
-                    }
-                    while (i >= 0) {
-                        if (p < k) {
-                            d = (this[i] & ((1 << p) - 1)) << (k - p);
-                            d |= this[--i] >> (p += this.DB - k);
-                        } else {
-                            d = (this[i] >> (p -= k)) & km;
-                            if (p <= 0) {
-                                p += this.DB;
-                                --i;
-                            }
+                while (i >= 0) {
+                    if (p < k) {
+                        d = (this[i] & ((1 << p) - 1)) << (k - p);
+                        d |= this[--i] >> (p += this.DB - k);
+                    } else {
+                        d = (this[i] >> (p -= k)) & km;
+                        if (p <= 0) {
+                            p += this.DB;
+                            --i;
                         }
-                        if (d > 0) m = true;
-                        if (m) r += int2char(d);
                     }
+                    if (d > 0) m = true;
+                    if (m) r += int2char(d);
                 }
-                return m ? r : "0";
-            };
-
-
-            // (public) -this
-            BigInteger.prototype.negate = function () {
-                var r = nbi();
-                BigInteger.ZERO.subTo(this, r);
-                return r;
-            };
-
-            // (public) |this|
-            BigInteger.prototype.abs = function () {
-                return (this.s < 0) ? this.negate() : this;
-            };
-
-            // (public) return + if this > a, - if this < a, 0 if equal
-            BigInteger.prototype.compareTo = function (a) {
-                var r = this.s - a.s;
-                if (r != 0) return r;
-                var i = this.t;
-                r = i - a.t;
-                if (r != 0) return (this.s < 0) ? -r : r;
-                while (--i >= 0)
-                    if ((r = this[i] - a[i]) != 0) return r;
-                return 0;
             }
+            return m ? r : "0";
+        };
 
-            // (public) return the number of bits in "this"
-            BigInteger.prototype.bitLength = function () {
-                if (this.t <= 0) return 0;
-                return this.DB * (this.t - 1) + nbits(this[this.t - 1] ^ (this.s & this.DM));
-            };
 
-            // (public) this mod a
-            BigInteger.prototype.mod = function (a) {
-                var r = nbi();
-                this.abs().divRemTo(a, null, r);
-                if (this.s < 0 && r.compareTo(BigInteger.ZERO) > 0) a.subTo(r, r);
-                return r;
+        // (public) -this
+        BigInteger.prototype.negate = function() {
+            var r = nbi();
+            BigInteger.ZERO.subTo(this, r);
+            return r;
+        };
+
+        // (public) |this|
+        BigInteger.prototype.abs = function() {
+            return (this.s < 0) ? this.negate() : this;
+        };
+
+        // (public) return + if this > a, - if this < a, 0 if equal
+        BigInteger.prototype.compareTo = function(a) {
+            var r = this.s - a.s;
+            if (r != 0) return r;
+            var i = this.t;
+            r = i - a.t;
+            if (r != 0) return (this.s < 0) ? -r : r;
+            while (--i >= 0)
+                if ((r = this[i] - a[i]) != 0) return r;
+            return 0;
+        }
+
+        // (public) return the number of bits in "this"
+        BigInteger.prototype.bitLength = function() {
+            if (this.t <= 0) return 0;
+            return this.DB * (this.t - 1) + nbits(this[this.t - 1] ^ (this.s & this.DM));
+        };
+
+        // (public) this mod a
+        BigInteger.prototype.mod = function(a) {
+            var r = nbi();
+            this.abs().divRemTo(a, null, r);
+            if (this.s < 0 && r.compareTo(BigInteger.ZERO) > 0) a.subTo(r, r);
+            return r;
+        }
+
+        // (public) this^e % m, 0 <= e < 2^32
+        BigInteger.prototype.modPowInt = function(e, m) {
+            var z;
+            if (e < 256 || m.isEven()) z = new Classic(m);
+            else z = new Montgomery(m);
+            return this.exp(e, z);
+        };
+
+        // "constants"
+        BigInteger.ZERO = nbv(0);
+        BigInteger.ONE = nbv(1);
+
+
+
+
+
+
+
+        // Copyright (c) 2005-2009  Tom Wu
+        // All Rights Reserved.
+        // See "LICENSE" for details.
+        // Extended JavaScript BN functions, required for RSA private ops.
+        // Version 1.1: new BigInteger("0", 10) returns "proper" zero
+        // Version 1.2: square() API, isProbablePrime fix
+
+
+        // return index of lowest 1-bit in x, x < 2^31
+        function lbit(x) {
+            if (x == 0) return -1;
+            var r = 0;
+            if ((x & 0xffff) == 0) {
+                x >>= 16;
+                r += 16;
             }
-
-            // (public) this^e % m, 0 <= e < 2^32
-            BigInteger.prototype.modPowInt = function (e, m) {
-                var z;
-                if (e < 256 || m.isEven()) z = new Classic(m);
-                else z = new Montgomery(m);
-                return this.exp(e, z);
-            };
-
-            // "constants"
-            BigInteger.ZERO = nbv(0);
-            BigInteger.ONE = nbv(1);
-
-
-
-
-
-
-
-            // Copyright (c) 2005-2009  Tom Wu
-            // All Rights Reserved.
-            // See "LICENSE" for details.
-            // Extended JavaScript BN functions, required for RSA private ops.
-            // Version 1.1: new BigInteger("0", 10) returns "proper" zero
-            // Version 1.2: square() API, isProbablePrime fix
-
-
-            // return index of lowest 1-bit in x, x < 2^31
-            function lbit(x) {
-                if (x == 0) return -1;
-                var r = 0;
-                if ((x & 0xffff) == 0) {
-                    x >>= 16;
-                    r += 16;
-                }
-                if ((x & 0xff) == 0) {
-                    x >>= 8;
-                    r += 8;
-                }
-                if ((x & 0xf) == 0) {
-                    x >>= 4;
-                    r += 4;
-                }
-                if ((x & 3) == 0) {
-                    x >>= 2;
-                    r += 2;
-                }
-                if ((x & 1) == 0) ++r;
-                return r;
+            if ((x & 0xff) == 0) {
+                x >>= 8;
+                r += 8;
             }
-
-            // return number of 1 bits in x
-            function cbit(x) {
-                var r = 0;
-                while (x != 0) {
-                    x &= x - 1;
-                    ++r;
-                }
-                return r;
+            if ((x & 0xf) == 0) {
+                x >>= 4;
+                r += 4;
             }
+            if ((x & 3) == 0) {
+                x >>= 2;
+                r += 2;
+            }
+            if ((x & 1) == 0) ++r;
+            return r;
+        }
 
-            var lowprimes = [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83,
-                89,
-                97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191,
-                193,
-                197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307,
-                311,
-                313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431,
-                433,
-                439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557, 563,
-                569,
-                571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677,
-                683,
-                691, 701, 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823,
-                827,
-                829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947, 953, 967,
-                971,
-                977, 983, 991, 997
-            ];
-            var lplim = (1 << 26) / lowprimes[lowprimes.length - 1];
+        // return number of 1 bits in x
+        function cbit(x) {
+            var r = 0;
+            while (x != 0) {
+                x &= x - 1;
+                ++r;
+            }
+            return r;
+        }
+
+        var lowprimes = [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83,
+            89,
+            97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191,
+            193,
+            197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307,
+            311,
+            313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431,
+            433,
+            439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557, 563,
+            569,
+            571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677,
+            683,
+            691, 701, 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823,
+            827,
+            829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947, 953, 967,
+            971,
+            977, 983, 991, 997
+        ];
+        var lplim = (1 << 26) / lowprimes[lowprimes.length - 1];
 
 
 
-            // (protected) return x s.t. r^x < DV
-            BigInteger.prototype.chunkSize = function (r) {
-                return Math.floor(Math.LN2 * this.DB / Math.log(r));
-            };
+        // (protected) return x s.t. r^x < DV
+        BigInteger.prototype.chunkSize = function(r) {
+            return Math.floor(Math.LN2 * this.DB / Math.log(r));
+        };
 
-            // (protected) convert to radix string
-            BigInteger.prototype.toRadix = function (b) {
-                if (b == null) b = 10;
-                if (this.signum() == 0 || b < 2 || b > 36) return "0";
-                var cs = this.chunkSize(b);
-                var a = Math.pow(b, cs);
-                var d = nbv(a),
-                    y = nbi(),
-                    z = nbi(),
-                    r = "";
-                this.divRemTo(d, y, z);
-                while (y.signum() > 0) {
-                    r = (a + z.intValue()).toString(b).substr(1) + r;
-                    y.divRemTo(d, y, z);
+        // (protected) convert to radix string
+        BigInteger.prototype.toRadix = function(b) {
+            if (b == null) b = 10;
+            if (this.signum() == 0 || b < 2 || b > 36) return "0";
+            var cs = this.chunkSize(b);
+            var a = Math.pow(b, cs);
+            var d = nbv(a),
+                y = nbi(),
+                z = nbi(),
+                r = "";
+            this.divRemTo(d, y, z);
+            while (y.signum() > 0) {
+                r = (a + z.intValue()).toString(b).substr(1) + r;
+                y.divRemTo(d, y, z);
+            }
+            return z.intValue().toString(b) + r;
+        };
+
+        // (protected) convert from radix string
+        BigInteger.prototype.fromRadix = function(s, b) {
+            this.fromInt(0);
+            if (b == null) b = 10;
+            var cs = this.chunkSize(b);
+            var d = Math.pow(b, cs),
+                mi = false,
+                j = 0,
+                w = 0;
+            for (var i = 0; i < s.length; ++i) {
+                var x = intAt(s, i);
+                if (x < 0) {
+                    if (s.charAt(i) == "-" && this.signum() == 0) mi = true;
+                    continue;
                 }
-                return z.intValue().toString(b) + r;
-            };
-
-            // (protected) convert from radix string
-            BigInteger.prototype.fromRadix = function (s, b) {
-                this.fromInt(0);
-                if (b == null) b = 10;
-                var cs = this.chunkSize(b);
-                var d = Math.pow(b, cs),
-                    mi = false,
-                    j = 0,
-                    w = 0;
-                for (var i = 0; i < s.length; ++i) {
-                    var x = intAt(s, i);
-                    if (x < 0) {
-                        if (s.charAt(i) == "-" && this.signum() == 0) mi = true;
-                        continue;
-                    }
-                    w = b * w + x;
-                    if (++j >= cs) {
-                        this.dMultiply(d);
-                        this.dAddOffset(w, 0);
-                        j = 0;
-                        w = 0;
-                    }
-                }
-                if (j > 0) {
-                    this.dMultiply(Math.pow(b, j));
+                w = b * w + x;
+                if (++j >= cs) {
+                    this.dMultiply(d);
                     this.dAddOffset(w, 0);
+                    j = 0;
+                    w = 0;
                 }
-                if (mi) BigInteger.ZERO.subTo(this, this);
-            };
+            }
+            if (j > 0) {
+                this.dMultiply(Math.pow(b, j));
+                this.dAddOffset(w, 0);
+            }
+            if (mi) BigInteger.ZERO.subTo(this, this);
+        };
 
-            // (protected) alternate constructor
-            BigInteger.prototype.fromNumber = function (a, b, c) {
-                if ("number" == typeof b) {
-                    // new BigInteger(int,int,RNG)
-                    if (a < 2) this.fromInt(1);
-                    else {
-                        this.fromNumber(a, c);
-                        if (!this.testBit(a - 1)) // force MSB set
-                            this.bitwiseTo(BigInteger.ONE.shiftLeft(a - 1), op_or, this);
-                        if (this.isEven()) this.dAddOffset(1, 0); // force odd
-                        while (!this.isProbablePrime(b)) {
-                            this.dAddOffset(2, 0);
-                            if (this.bitLength() > a) this.subTo(BigInteger.ONE.shiftLeft(a - 1), this);
-                        }
+        // (protected) alternate constructor
+        BigInteger.prototype.fromNumber = function(a, b, c) {
+            if ("number" == typeof b) {
+                // new BigInteger(int,int,RNG)
+                if (a < 2) this.fromInt(1);
+                else {
+                    this.fromNumber(a, c);
+                    if (!this.testBit(a - 1)) // force MSB set
+                        this.bitwiseTo(BigInteger.ONE.shiftLeft(a - 1), op_or, this);
+                    if (this.isEven()) this.dAddOffset(1, 0); // force odd
+                    while (!this.isProbablePrime(b)) {
+                        this.dAddOffset(2, 0);
+                        if (this.bitLength() > a) this.subTo(BigInteger.ONE.shiftLeft(a - 1), this);
                     }
-                } else {
-                    // new BigInteger(int,RNG)
-                    var x = new Array(),
-                        t = a & 7;
-                    x.length = (a >> 3) + 1;
-                    b.nextBytes(x);
-                    if (t > 0) x[0] &= ((1 << t) - 1);
-                    else x[0] = 0;
-                    this.fromString(x, 256);
                 }
-            };
+            } else {
+                // new BigInteger(int,RNG)
+                var x = new Array(),
+                    t = a & 7;
+                x.length = (a >> 3) + 1;
+                b.nextBytes(x);
+                if (t > 0) x[0] &= ((1 << t) - 1);
+                else x[0] = 0;
+                this.fromString(x, 256);
+            }
+        };
 
-            // (protected) r = this op a (bitwise)
-            BigInteger.prototype.bitwiseTo = function (a, op, r) {
-                var i, f, m = Math.min(a.t, this.t);
-                for (i = 0; i < m; ++i) r[i] = op(this[i], a[i]);
-                if (a.t < this.t) {
-                    f = a.s & this.DM;
-                    for (i = m; i < this.t; ++i) r[i] = op(this[i], f);
-                    r.t = this.t;
-                } else {
-                    f = this.s & this.DM;
-                    for (i = m; i < a.t; ++i) r[i] = op(f, a[i]);
-                    r.t = a.t;
-                }
-                r.s = op(this.s, a.s);
-                r.clamp();
-            };
+        // (protected) r = this op a (bitwise)
+        BigInteger.prototype.bitwiseTo = function(a, op, r) {
+            var i, f, m = Math.min(a.t, this.t);
+            for (i = 0; i < m; ++i) r[i] = op(this[i], a[i]);
+            if (a.t < this.t) {
+                f = a.s & this.DM;
+                for (i = m; i < this.t; ++i) r[i] = op(this[i], f);
+                r.t = this.t;
+            } else {
+                f = this.s & this.DM;
+                for (i = m; i < a.t; ++i) r[i] = op(f, a[i]);
+                r.t = a.t;
+            }
+            r.s = op(this.s, a.s);
+            r.clamp();
+        };
 
-            // (protected) this op (1<<n)
-            BigInteger.prototype.changeBit = function (n, op) {
-                var r = BigInteger.ONE.shiftLeft(n);
-                this.bitwiseTo(r, op, r);
-                return r;
-            };
+        // (protected) this op (1<<n)
+        BigInteger.prototype.changeBit = function(n, op) {
+            var r = BigInteger.ONE.shiftLeft(n);
+            this.bitwiseTo(r, op, r);
+            return r;
+        };
 
-            // (protected) r = this + a
-            BigInteger.prototype.addTo = function (a, r) {
-                var i = 0,
-                    c = 0,
-                    m = Math.min(a.t, this.t);
-                while (i < m) {
-                    c += this[i] + a[i];
+        // (protected) r = this + a
+        BigInteger.prototype.addTo = function(a, r) {
+            var i = 0,
+                c = 0,
+                m = Math.min(a.t, this.t);
+            while (i < m) {
+                c += this[i] + a[i];
+                r[i++] = c & this.DM;
+                c >>= this.DB;
+            }
+            if (a.t < this.t) {
+                c += a.s;
+                while (i < this.t) {
+                    c += this[i];
                     r[i++] = c & this.DM;
                     c >>= this.DB;
                 }
-                if (a.t < this.t) {
-                    c += a.s;
-                    while (i < this.t) {
-                        c += this[i];
-                        r[i++] = c & this.DM;
-                        c >>= this.DB;
-                    }
-                    c += this.s;
-                } else {
-                    c += this.s;
-                    while (i < a.t) {
-                        c += a[i];
-                        r[i++] = c & this.DM;
-                        c >>= this.DB;
-                    }
-                    c += a.s;
+                c += this.s;
+            } else {
+                c += this.s;
+                while (i < a.t) {
+                    c += a[i];
+                    r[i++] = c & this.DM;
+                    c >>= this.DB;
                 }
-                r.s = (c < 0) ? -1 : 0;
-                if (c > 0) r[i++] = c;
-                else if (c < -1) r[i++] = this.DV + c;
-                r.t = i;
-                r.clamp();
-            };
-
-            // (protected) this *= n, this >= 0, 1 < n < DV
-            BigInteger.prototype.dMultiply = function (n) {
-                this[this.t] = this.am(0, n - 1, this, 0, 0, this.t);
-                ++this.t;
-                this.clamp();
-            };
-
-            // (protected) this += n << w words, this >= 0
-            BigInteger.prototype.dAddOffset = function (n, w) {
-                if (n == 0) return;
-                while (this.t <= w) this[this.t++] = 0;
-                this[w] += n;
-                while (this[w] >= this.DV) {
-                    this[w] -= this.DV;
-                    if (++w >= this.t) this[this.t++] = 0;
-                    ++this[w];
-                }
-            };
-
-            // (protected) r = lower n words of "this * a", a.t <= n
-            // "this" should be the larger one if appropriate.
-            BigInteger.prototype.multiplyLowerTo = function (a, n, r) {
-                var i = Math.min(this.t + a.t, n);
-                r.s = 0; // assumes a,this >= 0
-                r.t = i;
-                while (i > 0) r[--i] = 0;
-                var j;
-                for (j = r.t - this.t; i < j; ++i) r[i + this.t] = this.am(0, a[i], r, i, 0, this.t);
-                for (j = Math.min(a.t, n); i < j; ++i) this.am(0, a[i], r, i, 0, n - i);
-                r.clamp();
-            };
-
-
-            // (protected) r = "this * a" without lower n words, n > 0
-            // "this" should be the larger one if appropriate.
-            BigInteger.prototype.multiplyUpperTo = function (a, n, r) {
-                --n;
-                var i = r.t = this.t + a.t - n;
-                r.s = 0; // assumes a,this >= 0
-                while (--i >= 0) r[i] = 0;
-                for (i = Math.max(n - this.t, 0); i < a.t; ++i)
-                    r[this.t + i - n] = this.am(n - i, a[i], r, 0, 0, this.t + i - n);
-                r.clamp();
-                r.drShiftTo(1, r);
-            };
-
-            // (protected) this % n, n < 2^26
-            BigInteger.prototype.modInt = function (n) {
-                if (n <= 0) return 0;
-                var d = this.DV % n,
-                    r = (this.s < 0) ? n - 1 : 0;
-                if (this.t > 0)
-                    if (d == 0) r = this[0] % n;
-                    else
-                        for (var i = this.t - 1; i >= 0; --i) r = (d * r + this[i]) % n;
-                return r;
-            };
-
-
-            // (protected) true if probably prime (HAC 4.24, Miller-Rabin)
-            BigInteger.prototype.millerRabin = function (t) {
-                var n1 = this.subtract(BigInteger.ONE);
-                var k = n1.getLowestSetBit();
-                if (k <= 0) return false;
-                var r = n1.shiftRight(k);
-                t = (t + 1) >> 1;
-                if (t > lowprimes.length) t = lowprimes.length;
-                var a = nbi();
-                for (var i = 0; i < t; ++i) {
-                    //Pick bases at random, instead of starting at 2
-                    a.fromInt(lowprimes[Math.floor(Math.random() * lowprimes.length)]);
-                    var y = a.modPow(r, this);
-                    if (y.compareTo(BigInteger.ONE) != 0 && y.compareTo(n1) != 0) {
-                        var j = 1;
-                        while (j++ < k && y.compareTo(n1) != 0) {
-                            y = y.modPowInt(2, this);
-                            if (y.compareTo(BigInteger.ONE) == 0) return false;
-                        }
-                        if (y.compareTo(n1) != 0) return false;
-                    }
-                }
-                return true;
-            };
-
-
-
-            // (public)
-            BigInteger.prototype.clone = function () {
-                var r = nbi();
-                this.copyTo(r);
-                return r;
-            };
-
-            // (public) return value as integer
-            BigInteger.prototype.intValue = function () {
-                if (this.s < 0) {
-                    if (this.t == 1) return this[0] - this.DV;
-                    else if (this.t == 0) return -1;
-                } else if (this.t == 1) return this[0];
-                else if (this.t == 0) return 0;
-                // assumes 16 < DB < 32
-                return ((this[1] & ((1 << (32 - this.DB)) - 1)) << this.DB) | this[0];
-            };
-
-
-            // (public) return value as byte
-            BigInteger.prototype.byteValue = function () {
-                return (this.t == 0) ? this.s : (this[0] << 24) >> 24;
-            };
-
-            // (public) return value as short (assumes DB>=16)
-            BigInteger.prototype.shortValue = function () {
-                return (this.t == 0) ? this.s : (this[0] << 16) >> 16;
-            };
-
-            // (public) 0 if this == 0, 1 if this > 0
-            BigInteger.prototype.signum = function () {
-                if (this.s < 0) return -1;
-                else if (this.t <= 0 || (this.t == 1 && this[0] <= 0)) return 0;
-                else return 1;
-            };
-
-
-            // (public) convert to bigendian byte array
-            BigInteger.prototype.toByteArray = function () {
-                var i = this.t,
-                    r = new Array();
-                r[0] = this.s;
-                var p = this.DB - (i * this.DB) % 8,
-                    d, k = 0;
-                if (i-- > 0) {
-                    if (p < this.DB && (d = this[i] >> p) != (this.s & this.DM) >> p)
-                        r[k++] = d | (this.s << (this.DB - p));
-                    while (i >= 0) {
-                        if (p < 8) {
-                            d = (this[i] & ((1 << p) - 1)) << (8 - p);
-                            d |= this[--i] >> (p += this.DB - 8);
-                        } else {
-                            d = (this[i] >> (p -= 8)) & 0xff;
-                            if (p <= 0) {
-                                p += this.DB;
-                                --i;
-                            }
-                        }
-                        if ((d & 0x80) != 0) d |= -256;
-                        if (k == 0 && (this.s & 0x80) != (d & 0x80)) ++k;
-                        if (k > 0 || d != this.s) r[k++] = d;
-                    }
-                }
-                return r;
-            };
-
-            BigInteger.prototype.equals = function (a) {
-                return (this.compareTo(a) == 0);
-            };
-            BigInteger.prototype.min = function (a) {
-                return (this.compareTo(a) < 0) ? this : a;
-            };
-            BigInteger.prototype.max = function (a) {
-                return (this.compareTo(a) > 0) ? this : a;
-            };
-
-            // (public) this & a
-            function op_and(x, y) {
-                return x & y;
+                c += a.s;
             }
-            BigInteger.prototype.and = function (a) {
-                var r = nbi();
-                this.bitwiseTo(a, op_and, r);
-                return r;
-            };
+            r.s = (c < 0) ? -1 : 0;
+            if (c > 0) r[i++] = c;
+            else if (c < -1) r[i++] = this.DV + c;
+            r.t = i;
+            r.clamp();
+        };
 
-            // (public) this | a
-            function op_or(x, y) {
-                return x | y;
+        // (protected) this *= n, this >= 0, 1 < n < DV
+        BigInteger.prototype.dMultiply = function(n) {
+            this[this.t] = this.am(0, n - 1, this, 0, 0, this.t);
+            ++this.t;
+            this.clamp();
+        };
+
+        // (protected) this += n << w words, this >= 0
+        BigInteger.prototype.dAddOffset = function(n, w) {
+            if (n == 0) return;
+            while (this.t <= w) this[this.t++] = 0;
+            this[w] += n;
+            while (this[w] >= this.DV) {
+                this[w] -= this.DV;
+                if (++w >= this.t) this[this.t++] = 0;
+                ++this[w];
             }
-            BigInteger.prototype.or = function (a) {
-                var r = nbi();
-                this.bitwiseTo(a, op_or, r);
-                return r;
-            };
+        };
 
-            // (public) this ^ a
-            function op_xor(x, y) {
-                return x ^ y;
-            }
-            BigInteger.prototype.xor = function (a) {
-                var r = nbi();
-                this.bitwiseTo(a, op_xor, r);
-                return r;
-            };
+        // (protected) r = lower n words of "this * a", a.t <= n
+        // "this" should be the larger one if appropriate.
+        BigInteger.prototype.multiplyLowerTo = function(a, n, r) {
+            var i = Math.min(this.t + a.t, n);
+            r.s = 0; // assumes a,this >= 0
+            r.t = i;
+            while (i > 0) r[--i] = 0;
+            var j;
+            for (j = r.t - this.t; i < j; ++i) r[i + this.t] = this.am(0, a[i], r, i, 0, this.t);
+            for (j = Math.min(a.t, n); i < j; ++i) this.am(0, a[i], r, i, 0, n - i);
+            r.clamp();
+        };
 
-            // (public) this & ~a
-            function op_andnot(x, y) {
-                return x & ~y;
-            }
-            BigInteger.prototype.andNot = function (a) {
-                var r = nbi();
-                this.bitwiseTo(a, op_andnot, r);
-                return r;
-            };
 
-            // (public) ~this
-            BigInteger.prototype.not = function () {
-                var r = nbi();
-                for (var i = 0; i < this.t; ++i) r[i] = this.DM & ~this[i];
-                r.t = this.t;
-                r.s = ~this.s;
-                return r;
-            };
+        // (protected) r = "this * a" without lower n words, n > 0
+        // "this" should be the larger one if appropriate.
+        BigInteger.prototype.multiplyUpperTo = function(a, n, r) {
+            --n;
+            var i = r.t = this.t + a.t - n;
+            r.s = 0; // assumes a,this >= 0
+            while (--i >= 0) r[i] = 0;
+            for (i = Math.max(n - this.t, 0); i < a.t; ++i)
+                r[this.t + i - n] = this.am(n - i, a[i], r, 0, 0, this.t + i - n);
+            r.clamp();
+            r.drShiftTo(1, r);
+        };
 
-            // (public) this << n
-            BigInteger.prototype.shiftLeft = function (n) {
-                var r = nbi();
-                if (n < 0) this.rShiftTo(-n, r);
-                else this.lShiftTo(n, r);
-                return r;
-            };
-
-            // (public) this >> n
-            BigInteger.prototype.shiftRight = function (n) {
-                var r = nbi();
-                if (n < 0) this.lShiftTo(-n, r);
-                else this.rShiftTo(n, r);
-                return r;
-            };
-
-            // (public) returns index of lowest 1-bit (or -1 if none)
-            BigInteger.prototype.getLowestSetBit = function () {
-                for (var i = 0; i < this.t; ++i)
-                    if (this[i] != 0) return i * this.DB + lbit(this[i]);
-                if (this.s < 0) return this.t * this.DB;
-                return -1;
-            };
-
-            // (public) return number of set bits
-            BigInteger.prototype.bitCount = function () {
-                var r = 0,
-                    x = this.s & this.DM;
-                for (var i = 0; i < this.t; ++i) r += cbit(this[i] ^ x);
-                return r;
-            };
-
-            // (public) true iff nth bit is set
-            BigInteger.prototype.testBit = function (n) {
-                var j = Math.floor(n / this.DB);
-                if (j >= this.t) return (this.s != 0);
-                return ((this[j] & (1 << (n % this.DB))) != 0);
-            };
-
-            // (public) this | (1<<n)
-            BigInteger.prototype.setBit = function (n) {
-                return this.changeBit(n, op_or);
-            };
-            // (public) this & ~(1<<n)
-            BigInteger.prototype.clearBit = function (n) {
-                return this.changeBit(n, op_andnot);
-            };
-            // (public) this ^ (1<<n)
-            BigInteger.prototype.flipBit = function (n) {
-                return this.changeBit(n, op_xor);
-            };
-            // (public) this + a
-            BigInteger.prototype.add = function (a) {
-                var r = nbi();
-                this.addTo(a, r);
-                return r;
-            };
-            // (public) this - a
-            BigInteger.prototype.subtract = function (a) {
-                var r = nbi();
-                this.subTo(a, r);
-                return r;
-            };
-            // (public) this * a
-            BigInteger.prototype.multiply = function (a) {
-                var r = nbi();
-                this.multiplyTo(a, r);
-                return r;
-            };
-            // (public) this / a
-            BigInteger.prototype.divide = function (a) {
-                var r = nbi();
-                this.divRemTo(a, r, null);
-                return r;
-            };
-            // (public) this % a
-            BigInteger.prototype.remainder = function (a) {
-                var r = nbi();
-                this.divRemTo(a, null, r);
-                return r;
-            };
-            // (public) [this/a,this%a]
-            BigInteger.prototype.divideAndRemainder = function (a) {
-                var q = nbi(),
-                    r = nbi();
-                this.divRemTo(a, q, r);
-                return new Array(q, r);
-            };
-
-            // (public) this^e % m (HAC 14.85)
-            BigInteger.prototype.modPow = function (e, m) {
-                var i = e.bitLength(),
-                    k, r = nbv(1),
-                    z;
-                if (i <= 0) return r;
-                else if (i < 18) k = 1;
-                else if (i < 48) k = 3;
-                else if (i < 144) k = 4;
-                else if (i < 768) k = 5;
-                else k = 6;
-                if (i < 8)
-                    z = new Classic(m);
-                else if (m.isEven())
-                    z = new Barrett(m);
+        // (protected) this % n, n < 2^26
+        BigInteger.prototype.modInt = function(n) {
+            if (n <= 0) return 0;
+            var d = this.DV % n,
+                r = (this.s < 0) ? n - 1 : 0;
+            if (this.t > 0)
+                if (d == 0) r = this[0] % n;
                 else
-                    z = new Montgomery(m);
+                    for (var i = this.t - 1; i >= 0; --i) r = (d * r + this[i]) % n;
+            return r;
+        };
 
-                // precomputation
-                var g = new Array(),
-                    n = 3,
-                    k1 = k - 1,
-                    km = (1 << k) - 1;
-                g[1] = z.convert(this);
-                if (k > 1) {
-                    var g2 = nbi();
-                    z.sqrTo(g[1], g2);
-                    while (n <= km) {
-                        g[n] = nbi();
-                        z.mulTo(g2, g[n - 2], g[n]);
-                        n += 2;
+
+        // (protected) true if probably prime (HAC 4.24, Miller-Rabin)
+        BigInteger.prototype.millerRabin = function(t) {
+            var n1 = this.subtract(BigInteger.ONE);
+            var k = n1.getLowestSetBit();
+            if (k <= 0) return false;
+            var r = n1.shiftRight(k);
+            t = (t + 1) >> 1;
+            if (t > lowprimes.length) t = lowprimes.length;
+            var a = nbi();
+            for (var i = 0; i < t; ++i) {
+                //Pick bases at random, instead of starting at 2
+                a.fromInt(lowprimes[Math.floor(Math.random() * lowprimes.length)]);
+                var y = a.modPow(r, this);
+                if (y.compareTo(BigInteger.ONE) != 0 && y.compareTo(n1) != 0) {
+                    var j = 1;
+                    while (j++ < k && y.compareTo(n1) != 0) {
+                        y = y.modPowInt(2, this);
+                        if (y.compareTo(BigInteger.ONE) == 0) return false;
                     }
+                    if (y.compareTo(n1) != 0) return false;
+                }
+            }
+            return true;
+        };
+
+
+
+        // (public)
+        BigInteger.prototype.clone = function() {
+            var r = nbi();
+            this.copyTo(r);
+            return r;
+        };
+
+        // (public) return value as integer
+        BigInteger.prototype.intValue = function() {
+            if (this.s < 0) {
+                if (this.t == 1) return this[0] - this.DV;
+                else if (this.t == 0) return -1;
+            } else if (this.t == 1) return this[0];
+            else if (this.t == 0) return 0;
+            // assumes 16 < DB < 32
+            return ((this[1] & ((1 << (32 - this.DB)) - 1)) << this.DB) | this[0];
+        };
+
+
+        // (public) return value as byte
+        BigInteger.prototype.byteValue = function() {
+            return (this.t == 0) ? this.s : (this[0] << 24) >> 24;
+        };
+
+        // (public) return value as short (assumes DB>=16)
+        BigInteger.prototype.shortValue = function() {
+            return (this.t == 0) ? this.s : (this[0] << 16) >> 16;
+        };
+
+        // (public) 0 if this == 0, 1 if this > 0
+        BigInteger.prototype.signum = function() {
+            if (this.s < 0) return -1;
+            else if (this.t <= 0 || (this.t == 1 && this[0] <= 0)) return 0;
+            else return 1;
+        };
+
+
+        // (public) convert to bigendian byte array
+        BigInteger.prototype.toByteArray = function() {
+            var i = this.t,
+                r = new Array();
+            r[0] = this.s;
+            var p = this.DB - (i * this.DB) % 8,
+                d, k = 0;
+            if (i-- > 0) {
+                if (p < this.DB && (d = this[i] >> p) != (this.s & this.DM) >> p)
+                    r[k++] = d | (this.s << (this.DB - p));
+                while (i >= 0) {
+                    if (p < 8) {
+                        d = (this[i] & ((1 << p) - 1)) << (8 - p);
+                        d |= this[--i] >> (p += this.DB - 8);
+                    } else {
+                        d = (this[i] >> (p -= 8)) & 0xff;
+                        if (p <= 0) {
+                            p += this.DB;
+                            --i;
+                        }
+                    }
+                    if ((d & 0x80) != 0) d |= -256;
+                    if (k == 0 && (this.s & 0x80) != (d & 0x80)) ++k;
+                    if (k > 0 || d != this.s) r[k++] = d;
+                }
+            }
+            return r;
+        };
+
+        BigInteger.prototype.equals = function(a) {
+            return (this.compareTo(a) == 0);
+        };
+        BigInteger.prototype.min = function(a) {
+            return (this.compareTo(a) < 0) ? this : a;
+        };
+        BigInteger.prototype.max = function(a) {
+            return (this.compareTo(a) > 0) ? this : a;
+        };
+
+        // (public) this & a
+        function op_and(x, y) {
+            return x & y;
+        }
+        BigInteger.prototype.and = function(a) {
+            var r = nbi();
+            this.bitwiseTo(a, op_and, r);
+            return r;
+        };
+
+        // (public) this | a
+        function op_or(x, y) {
+            return x | y;
+        }
+        BigInteger.prototype.or = function(a) {
+            var r = nbi();
+            this.bitwiseTo(a, op_or, r);
+            return r;
+        };
+
+        // (public) this ^ a
+        function op_xor(x, y) {
+            return x ^ y;
+        }
+        BigInteger.prototype.xor = function(a) {
+            var r = nbi();
+            this.bitwiseTo(a, op_xor, r);
+            return r;
+        };
+
+        // (public) this & ~a
+        function op_andnot(x, y) {
+            return x & ~y;
+        }
+        BigInteger.prototype.andNot = function(a) {
+            var r = nbi();
+            this.bitwiseTo(a, op_andnot, r);
+            return r;
+        };
+
+        // (public) ~this
+        BigInteger.prototype.not = function() {
+            var r = nbi();
+            for (var i = 0; i < this.t; ++i) r[i] = this.DM & ~this[i];
+            r.t = this.t;
+            r.s = ~this.s;
+            return r;
+        };
+
+        // (public) this << n
+        BigInteger.prototype.shiftLeft = function(n) {
+            var r = nbi();
+            if (n < 0) this.rShiftTo(-n, r);
+            else this.lShiftTo(n, r);
+            return r;
+        };
+
+        // (public) this >> n
+        BigInteger.prototype.shiftRight = function(n) {
+            var r = nbi();
+            if (n < 0) this.lShiftTo(-n, r);
+            else this.rShiftTo(n, r);
+            return r;
+        };
+
+        // (public) returns index of lowest 1-bit (or -1 if none)
+        BigInteger.prototype.getLowestSetBit = function() {
+            for (var i = 0; i < this.t; ++i)
+                if (this[i] != 0) return i * this.DB + lbit(this[i]);
+            if (this.s < 0) return this.t * this.DB;
+            return -1;
+        };
+
+        // (public) return number of set bits
+        BigInteger.prototype.bitCount = function() {
+            var r = 0,
+                x = this.s & this.DM;
+            for (var i = 0; i < this.t; ++i) r += cbit(this[i] ^ x);
+            return r;
+        };
+
+        // (public) true iff nth bit is set
+        BigInteger.prototype.testBit = function(n) {
+            var j = Math.floor(n / this.DB);
+            if (j >= this.t) return (this.s != 0);
+            return ((this[j] & (1 << (n % this.DB))) != 0);
+        };
+
+        // (public) this | (1<<n)
+        BigInteger.prototype.setBit = function(n) {
+            return this.changeBit(n, op_or);
+        };
+        // (public) this & ~(1<<n)
+        BigInteger.prototype.clearBit = function(n) {
+            return this.changeBit(n, op_andnot);
+        };
+        // (public) this ^ (1<<n)
+        BigInteger.prototype.flipBit = function(n) {
+            return this.changeBit(n, op_xor);
+        };
+        // (public) this + a
+        BigInteger.prototype.add = function(a) {
+            var r = nbi();
+            this.addTo(a, r);
+            return r;
+        };
+        // (public) this - a
+        BigInteger.prototype.subtract = function(a) {
+            var r = nbi();
+            this.subTo(a, r);
+            return r;
+        };
+        // (public) this * a
+        BigInteger.prototype.multiply = function(a) {
+            var r = nbi();
+            this.multiplyTo(a, r);
+            return r;
+        };
+        // (public) this / a
+        BigInteger.prototype.divide = function(a) {
+            var r = nbi();
+            this.divRemTo(a, r, null);
+            return r;
+        };
+        // (public) this % a
+        BigInteger.prototype.remainder = function(a) {
+            var r = nbi();
+            this.divRemTo(a, null, r);
+            return r;
+        };
+        // (public) [this/a,this%a]
+        BigInteger.prototype.divideAndRemainder = function(a) {
+            var q = nbi(),
+                r = nbi();
+            this.divRemTo(a, q, r);
+            return new Array(q, r);
+        };
+
+        // (public) this^e % m (HAC 14.85)
+        BigInteger.prototype.modPow = function(e, m) {
+            var i = e.bitLength(),
+                k, r = nbv(1),
+                z;
+            if (i <= 0) return r;
+            else if (i < 18) k = 1;
+            else if (i < 48) k = 3;
+            else if (i < 144) k = 4;
+            else if (i < 768) k = 5;
+            else k = 6;
+            if (i < 8)
+                z = new Classic(m);
+            else if (m.isEven())
+                z = new Barrett(m);
+            else
+                z = new Montgomery(m);
+
+            // precomputation
+            var g = new Array(),
+                n = 3,
+                k1 = k - 1,
+                km = (1 << k) - 1;
+            g[1] = z.convert(this);
+            if (k > 1) {
+                var g2 = nbi();
+                z.sqrTo(g[1], g2);
+                while (n <= km) {
+                    g[n] = nbi();
+                    z.mulTo(g2, g[n - 2], g[n]);
+                    n += 2;
+                }
+            }
+
+            var j = e.t - 1,
+                w, is1 = true,
+                r2 = nbi(),
+                t;
+            i = nbits(e[j]) - 1;
+            while (j >= 0) {
+                if (i >= k1) w = (e[j] >> (i - k1)) & km;
+                else {
+                    w = (e[j] & ((1 << (i + 1)) - 1)) << (k1 - i);
+                    if (j > 0) w |= e[j - 1] >> (this.DB + i - k1);
                 }
 
-                var j = e.t - 1,
-                    w, is1 = true,
-                    r2 = nbi(),
-                    t;
-                i = nbits(e[j]) - 1;
-                while (j >= 0) {
-                    if (i >= k1) w = (e[j] >> (i - k1)) & km;
-                    else {
-                        w = (e[j] & ((1 << (i + 1)) - 1)) << (k1 - i);
-                        if (j > 0) w |= e[j - 1] >> (this.DB + i - k1);
-                    }
-
-                    n = k;
-                    while ((w & 1) == 0) {
-                        w >>= 1;
-                        --n;
-                    }
-                    if ((i -= n) < 0) {
-                        i += this.DB;
-                        --j;
-                    }
-                    if (is1) { // ret == 1, don't bother squaring or multiplying it
-                        g[w].copyTo(r);
-                        is1 = false;
-                    } else {
-                        while (n > 1) {
-                            z.sqrTo(r, r2);
-                            z.sqrTo(r2, r);
-                            n -= 2;
-                        }
-                        if (n > 0) z.sqrTo(r, r2);
-                        else {
-                            t = r;
-                            r = r2;
-                            r2 = t;
-                        }
-                        z.mulTo(r2, g[w], r);
-                    }
-
-                    while (j >= 0 && (e[j] & (1 << i)) == 0) {
+                n = k;
+                while ((w & 1) == 0) {
+                    w >>= 1;
+                    --n;
+                }
+                if ((i -= n) < 0) {
+                    i += this.DB;
+                    --j;
+                }
+                if (is1) { // ret == 1, don't bother squaring or multiplying it
+                    g[w].copyTo(r);
+                    is1 = false;
+                } else {
+                    while (n > 1) {
                         z.sqrTo(r, r2);
+                        z.sqrTo(r2, r);
+                        n -= 2;
+                    }
+                    if (n > 0) z.sqrTo(r, r2);
+                    else {
                         t = r;
                         r = r2;
                         r2 = t;
-                        if (--i < 0) {
-                            i = this.DB - 1;
-                            --j;
+                    }
+                    z.mulTo(r2, g[w], r);
+                }
+
+                while (j >= 0 && (e[j] & (1 << i)) == 0) {
+                    z.sqrTo(r, r2);
+                    t = r;
+                    r = r2;
+                    r2 = t;
+                    if (--i < 0) {
+                        i = this.DB - 1;
+                        --j;
+                    }
+                }
+            }
+            return z.revert(r);
+        };
+
+        // (public) 1/this % m (HAC 14.61)
+        BigInteger.prototype.modInverse = function(m) {
+            var ac = m.isEven();
+            if (this.signum() === 0) throw new Error('division by zero');
+            if ((this.isEven() && ac) || m.signum() == 0) return BigInteger.ZERO;
+            var u = m.clone(),
+                v = this.clone();
+            var a = nbv(1),
+                b = nbv(0),
+                c = nbv(0),
+                d = nbv(1);
+            while (u.signum() != 0) {
+                while (u.isEven()) {
+                    u.rShiftTo(1, u);
+                    if (ac) {
+                        if (!a.isEven() || !b.isEven()) {
+                            a.addTo(this, a);
+                            b.subTo(m, b);
                         }
-                    }
+                        a.rShiftTo(1, a);
+                    } else if (!b.isEven()) b.subTo(m, b);
+                    b.rShiftTo(1, b);
                 }
-                return z.revert(r);
-            };
-
-            // (public) 1/this % m (HAC 14.61)
-            BigInteger.prototype.modInverse = function (m) {
-                var ac = m.isEven();
-                if (this.signum() === 0) throw new Error('division by zero');
-                if ((this.isEven() && ac) || m.signum() == 0) return BigInteger.ZERO;
-                var u = m.clone(),
-                    v = this.clone();
-                var a = nbv(1),
-                    b = nbv(0),
-                    c = nbv(0),
-                    d = nbv(1);
-                while (u.signum() != 0) {
-                    while (u.isEven()) {
-                        u.rShiftTo(1, u);
-                        if (ac) {
-                            if (!a.isEven() || !b.isEven()) {
-                                a.addTo(this, a);
-                                b.subTo(m, b);
-                            }
-                            a.rShiftTo(1, a);
-                        } else if (!b.isEven()) b.subTo(m, b);
-                        b.rShiftTo(1, b);
-                    }
-                    while (v.isEven()) {
-                        v.rShiftTo(1, v);
-                        if (ac) {
-                            if (!c.isEven() || !d.isEven()) {
-                                c.addTo(this, c);
-                                d.subTo(m, d);
-                            }
-                            c.rShiftTo(1, c);
-                        } else if (!d.isEven()) d.subTo(m, d);
-                        d.rShiftTo(1, d);
-                    }
-                    if (u.compareTo(v) >= 0) {
-                        u.subTo(v, u);
-                        if (ac) a.subTo(c, a);
-                        b.subTo(d, b);
-                    } else {
-                        v.subTo(u, v);
-                        if (ac) c.subTo(a, c);
-                        d.subTo(b, d);
-                    }
+                while (v.isEven()) {
+                    v.rShiftTo(1, v);
+                    if (ac) {
+                        if (!c.isEven() || !d.isEven()) {
+                            c.addTo(this, c);
+                            d.subTo(m, d);
+                        }
+                        c.rShiftTo(1, c);
+                    } else if (!d.isEven()) d.subTo(m, d);
+                    d.rShiftTo(1, d);
                 }
-                if (v.compareTo(BigInteger.ONE) != 0) return BigInteger.ZERO;
-                while (d.compareTo(m) >= 0) d.subTo(m, d);
-                while (d.signum() < 0) d.addTo(m, d);
-                return d;
-            };
-
-
-            // (public) this^e
-            BigInteger.prototype.pow = function (e) {
-                return this.exp(e, new NullExp());
-            };
-
-            // (public) gcd(this,a) (HAC 14.54)
-            BigInteger.prototype.gcd = function (a) {
-                var x = (this.s < 0) ? this.negate() : this.clone();
-                var y = (a.s < 0) ? a.negate() : a.clone();
-                if (x.compareTo(y) < 0) {
-                    var t = x;
-                    x = y;
-                    y = t;
-                }
-                var i = x.getLowestSetBit(),
-                    g = y.getLowestSetBit();
-                if (g < 0) return x;
-                if (i < g) g = i;
-                if (g > 0) {
-                    x.rShiftTo(g, x);
-                    y.rShiftTo(g, y);
-                }
-                while (x.signum() > 0) {
-                    if ((i = x.getLowestSetBit()) > 0) x.rShiftTo(i, x);
-                    if ((i = y.getLowestSetBit()) > 0) y.rShiftTo(i, y);
-                    if (x.compareTo(y) >= 0) {
-                        x.subTo(y, x);
-                        x.rShiftTo(1, x);
-                    } else {
-                        y.subTo(x, y);
-                        y.rShiftTo(1, y);
-                    }
-                }
-                if (g > 0) y.lShiftTo(g, y);
-                return y;
-            };
-
-            // (public) test primality with certainty >= 1-.5^t
-            BigInteger.prototype.isProbablePrime = function (t) {
-                var i, x = this.abs();
-                if (x.t == 1 && x[0] <= lowprimes[lowprimes.length - 1]) {
-                    for (i = 0; i < lowprimes.length; ++i)
-                        if (x[0] == lowprimes[i]) return true;
-                    return false;
-                }
-                if (x.isEven()) return false;
-                i = 1;
-                while (i < lowprimes.length) {
-                    var m = lowprimes[i],
-                        j = i + 1;
-                    while (j < lowprimes.length && m < lplim) m *= lowprimes[j++];
-                    m = x.modInt(m);
-                    while (i < j)
-                        if (m % lowprimes[i++] == 0) return false;
-                }
-                return x.millerRabin(t);
-            };
-
-
-            // JSBN-specific extension
-
-            // (public) this^2
-            BigInteger.prototype.square = function () {
-                var r = nbi();
-                this.squareTo(r);
-                return r;
-            };
-
-
-            // NOTE: BigInteger interfaces not implemented in jsbn:
-            // BigInteger(int signum, byte[] magnitude)
-            // double doubleValue()
-            // float floatValue()
-            // int hashCode()
-            // long longValue()
-            // static BigInteger valueOf(long val)
-
-
-
-            // Copyright Stephan Thomas (start) --- //
-            // https://raw.github.com/bitcoinjs/bitcoinjs-lib/07f9d55ccb6abd962efb6befdd37671f85ea4ff9/src/util.js
-            // BigInteger monkey patching
-            BigInteger.valueOf = nbv;
-
-            /**
-            * Returns a byte array representation of the big integer.
-            *
-            * This returns the absolute of the contained value in big endian
-            * form. A value of zero results in an empty array.
-            */
-            BigInteger.prototype.toByteArrayUnsigned = function () {
-                var ba = this.abs().toByteArray();
-                if (ba.length) {
-                    if (ba[0] == 0) {
-                        ba = ba.slice(1);
-                    }
-                    return ba.map(function (v) {
-                        return (v < 0) ? v + 256 : v;
-                    });
+                if (u.compareTo(v) >= 0) {
+                    u.subTo(v, u);
+                    if (ac) a.subTo(c, a);
+                    b.subTo(d, b);
                 } else {
-                    // Empty array, nothing to do
-                    return ba;
+                    v.subTo(u, v);
+                    if (ac) c.subTo(a, c);
+                    d.subTo(b, d);
                 }
-            };
+            }
+            if (v.compareTo(BigInteger.ONE) != 0) return BigInteger.ZERO;
+            while (d.compareTo(m) >= 0) d.subTo(m, d);
+            while (d.signum() < 0) d.addTo(m, d);
+            return d;
+        };
 
-            /**
-            * Turns a byte array into a big integer.
-            *
-            * This function will interpret a byte array as a big integer in big
-            * endian notation and ignore leading zeros.
-            */
-            BigInteger.fromByteArrayUnsigned = function (ba) {
-                if (!ba.length) {
-                    return ba.valueOf(0);
-                } else if (ba[0] & 0x80) {
-                    // Prepend a zero so the BigInteger class doesn't mistake this
-                    // for a negative integer.
-                    return new BigInteger([0].concat(ba));
+
+        // (public) this^e
+        BigInteger.prototype.pow = function(e) {
+            return this.exp(e, new NullExp());
+        };
+
+        // (public) gcd(this,a) (HAC 14.54)
+        BigInteger.prototype.gcd = function(a) {
+            var x = (this.s < 0) ? this.negate() : this.clone();
+            var y = (a.s < 0) ? a.negate() : a.clone();
+            if (x.compareTo(y) < 0) {
+                var t = x;
+                x = y;
+                y = t;
+            }
+            var i = x.getLowestSetBit(),
+                g = y.getLowestSetBit();
+            if (g < 0) return x;
+            if (i < g) g = i;
+            if (g > 0) {
+                x.rShiftTo(g, x);
+                y.rShiftTo(g, y);
+            }
+            while (x.signum() > 0) {
+                if ((i = x.getLowestSetBit()) > 0) x.rShiftTo(i, x);
+                if ((i = y.getLowestSetBit()) > 0) y.rShiftTo(i, y);
+                if (x.compareTo(y) >= 0) {
+                    x.subTo(y, x);
+                    x.rShiftTo(1, x);
                 } else {
-                    return new BigInteger(ba);
+                    y.subTo(x, y);
+                    y.rShiftTo(1, y);
                 }
-            };
-
-            /**
-            * Converts big integer to signed byte representation.
-            *
-            * The format for this value uses a the most significant bit as a sign
-            * bit. If the most significant bit is already occupied by the
-            * absolute value, an extra byte is prepended and the sign bit is set
-            * there.
-            *
-            * Examples:
-            *
-            *      0 =>     0x00
-            *      1 =>     0x01
-            *     -1 =>     0x81
-            *    127 =>     0x7f
-            *   -127 =>     0xff
-            *    128 =>   0x0080
-            *   -128 =>   0x8080
-            *    255 =>   0x00ff
-            *   -255 =>   0x80ff
-            *  16300 =>   0x3fac
-            * -16300 =>   0xbfac
-            *  62300 => 0x00f35c
-            * -62300 => 0x80f35c
-            */
-            BigInteger.prototype.toByteArraySigned = function () {
-                var val = this.abs().toByteArrayUnsigned();
-                var neg = this.compareTo(BigInteger.ZERO) < 0;
-
-                if (neg) {
-                    if (val[0] & 0x80) {
-                        val.unshift(0x80);
-                    } else {
-                        val[0] |= 0x80;
-                    }
-                } else {
-                    if (val[0] & 0x80) {
-                        val.unshift(0x00);
-                    }
-                }
-
-                return val;
-            };
-
-            /**
-            * Parse a signed big integer byte representation.
-            *
-            * For details on the format please see BigInteger.toByteArraySigned.
-            */
-            BigInteger.fromByteArraySigned = function (ba) {
-                // Check for negative value
-                if (ba[0] & 0x80) {
-                    // Remove sign bit
-                    ba[0] &= 0x7f;
-
-                    return BigInteger.fromByteArrayUnsigned(ba).negate();
-                } else {
-                    return BigInteger.fromByteArrayUnsigned(ba);
-                }
-            };
-            // Copyright Stephan Thomas (end) --- //
-
-
-
-
-            // ****** REDUCTION ******* //
-
-            // Modular reduction using "classic" algorithm
-            var Classic = window.Classic = function Classic(m) {
-                this.m = m;
             }
-            Classic.prototype.convert = function (x) {
-                if (x.s < 0 || x.compareTo(this.m) >= 0) return x.mod(this.m);
-                else return x;
-            };
-            Classic.prototype.revert = function (x) {
-                return x;
-            };
-            Classic.prototype.reduce = function (x) {
-                x.divRemTo(this.m, null, x);
-            };
-            Classic.prototype.mulTo = function (x, y, r) {
-                x.multiplyTo(y, r);
-                this.reduce(r);
-            };
-            Classic.prototype.sqrTo = function (x, r) {
-                x.squareTo(r);
-                this.reduce(r);
-            };
+            if (g > 0) y.lShiftTo(g, y);
+            return y;
+        };
 
-
-
-
-
-            // Montgomery reduction
-            var Montgomery = window.Montgomery = function Montgomery(m) {
-                this.m = m;
-                this.mp = m.invDigit();
-                this.mpl = this.mp & 0x7fff;
-                this.mph = this.mp >> 15;
-                this.um = (1 << (m.DB - 15)) - 1;
-                this.mt2 = 2 * m.t;
+        // (public) test primality with certainty >= 1-.5^t
+        BigInteger.prototype.isProbablePrime = function(t) {
+            var i, x = this.abs();
+            if (x.t == 1 && x[0] <= lowprimes[lowprimes.length - 1]) {
+                for (i = 0; i < lowprimes.length; ++i)
+                    if (x[0] == lowprimes[i]) return true;
+                return false;
             }
-            // xR mod m
-            Montgomery.prototype.convert = function (x) {
-                var r = nbi();
-                x.abs().dlShiftTo(this.m.t, r);
-                r.divRemTo(this.m, null, r);
-                if (x.s < 0 && r.compareTo(BigInteger.ZERO) > 0) this.m.subTo(r, r);
-                return r;
+            if (x.isEven()) return false;
+            i = 1;
+            while (i < lowprimes.length) {
+                var m = lowprimes[i],
+                    j = i + 1;
+                while (j < lowprimes.length && m < lplim) m *= lowprimes[j++];
+                m = x.modInt(m);
+                while (i < j)
+                    if (m % lowprimes[i++] == 0) return false;
             }
-            // x/R mod m
-            Montgomery.prototype.revert = function (x) {
-                var r = nbi();
-                x.copyTo(r);
-                this.reduce(r);
-                return r;
-            };
-            // x = x/R mod m (HAC 14.32)
-            Montgomery.prototype.reduce = function (x) {
-                while (x.t <= this.mt2) // pad x so am has enough room later
-                    x[x.t++] = 0;
-                for (var i = 0; i < this.m.t; ++i) {
-                    // faster way of calculating u0 = x[i]*mp mod DV
-                    var j = x[i] & 0x7fff;
-                    var u0 = (j * this.mpl + (((j * this.mph + (x[i] >> 15) * this.mpl) & this.um) << 15)) & x.DM;
-                    // use am to combine the multiply-shift-add into one call
-                    j = i + this.m.t;
-                    x[j] += this.m.am(0, u0, x, i, 0, this.m.t);
-                    // propagate carry
-                    while (x[j] >= x.DV) {
-                        x[j] -= x.DV;
-                        x[++j]++;
-                    }
-                }
-                x.clamp();
-                x.drShiftTo(this.m.t, x);
-                if (x.compareTo(this.m) >= 0) x.subTo(this.m, x);
-            };
-            // r = "xy/R mod m"; x,y != r
-            Montgomery.prototype.mulTo = function (x, y, r) {
-                x.multiplyTo(y, r);
-                this.reduce(r);
-            };
-            // r = "x^2/R mod m"; x != r
-            Montgomery.prototype.sqrTo = function (x, r) {
-                x.squareTo(r);
-                this.reduce(r);
-            };
+            return x.millerRabin(t);
+        };
 
 
+        // JSBN-specific extension
+
+        // (public) this^2
+        BigInteger.prototype.square = function() {
+            var r = nbi();
+            this.squareTo(r);
+            return r;
+        };
 
 
-
-            // A "null" reducer
-            var NullExp = window.NullExp = function NullExp() {}
-            NullExp.prototype.convert = function (x) {
-                return x;
-            };
-            NullExp.prototype.revert = function (x) {
-                return x;
-            };
-            NullExp.prototype.mulTo = function (x, y, r) {
-                x.multiplyTo(y, r);
-            };
-            NullExp.prototype.sqrTo = function (x, r) {
-                x.squareTo(r);
-            };
-
-
-
-
-
-            // Barrett modular reduction
-            var Barrett = window.Barrett = function Barrett(m) {
-                // setup Barrett
-                this.r2 = nbi();
-                this.q3 = nbi();
-                BigInteger.ONE.dlShiftTo(2 * m.t, this.r2);
-                this.mu = this.r2.divide(m);
-                this.m = m;
-            }
-            Barrett.prototype.convert = function (x) {
-                if (x.s < 0 || x.t > 2 * this.m.t) return x.mod(this.m);
-                else if (x.compareTo(this.m) < 0) return x;
-                else {
-                    var r = nbi();
-                    x.copyTo(r);
-                    this.reduce(r);
-                    return r;
-                }
-            };
-            Barrett.prototype.revert = function (x) {
-                return x;
-            };
-            // x = x mod m (HAC 14.42)
-            Barrett.prototype.reduce = function (x) {
-                x.drShiftTo(this.m.t - 1, this.r2);
-                if (x.t > this.m.t + 1) {
-                    x.t = this.m.t + 1;
-                    x.clamp();
-                }
-                this.mu.multiplyUpperTo(this.r2, this.m.t + 1, this.q3);
-                this.m.multiplyLowerTo(this.q3, this.m.t + 1, this.r2);
-                while (x.compareTo(this.r2) < 0) x.dAddOffset(1, this.m.t + 1);
-                x.subTo(this.r2, x);
-                while (x.compareTo(this.m) >= 0) x.subTo(this.m, x);
-            };
-            // r = x*y mod m; x,y != r
-            Barrett.prototype.mulTo = function (x, y, r) {
-                x.multiplyTo(y, r);
-                this.reduce(r);
-            };
-            // r = x^2 mod m; x != r
-            Barrett.prototype.sqrTo = function (x, r) {
-                x.squareTo(r);
-                this.reduce(r);
-            };
-
-        })();
-
-        // BigInteger interfaces not implemented in jsbn:
-
+        // NOTE: BigInteger interfaces not implemented in jsbn:
         // BigInteger(int signum, byte[] magnitude)
         // double doubleValue()
         // float floatValue()
@@ -2544,9 +2148,280 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
 
 
 
+        // Copyright Stephan Thomas (start) --- //
+        // https://raw.github.com/bitcoinjs/bitcoinjs-lib/07f9d55ccb6abd962efb6befdd37671f85ea4ff9/src/util.js
+        // BigInteger monkey patching
+        BigInteger.valueOf = nbv;
+
+        /**
+         * Returns a byte array representation of the big integer.
+         *
+         * This returns the absolute of the contained value in big endian
+         * form. A value of zero results in an empty array.
+         */
+        BigInteger.prototype.toByteArrayUnsigned = function() {
+            var ba = this.abs().toByteArray();
+            if (ba.length) {
+                if (ba[0] == 0) {
+                    ba = ba.slice(1);
+                }
+                return ba.map(function(v) {
+                    return (v < 0) ? v + 256 : v;
+                });
+            } else {
+                // Empty array, nothing to do
+                return ba;
+            }
+        };
+
+        /**
+         * Turns a byte array into a big integer.
+         *
+         * This function will interpret a byte array as a big integer in big
+         * endian notation and ignore leading zeros.
+         */
+        BigInteger.fromByteArrayUnsigned = function(ba) {
+            if (!ba.length) {
+                return ba.valueOf(0);
+            } else if (ba[0] & 0x80) {
+                // Prepend a zero so the BigInteger class doesn't mistake this
+                // for a negative integer.
+                return new BigInteger([0].concat(ba));
+            } else {
+                return new BigInteger(ba);
+            }
+        };
+
+        /**
+         * Converts big integer to signed byte representation.
+         *
+         * The format for this value uses a the most significant bit as a sign
+         * bit. If the most significant bit is already occupied by the
+         * absolute value, an extra byte is prepended and the sign bit is set
+         * there.
+         *
+         * Examples:
+         *
+         *      0 =>     0x00
+         *      1 =>     0x01
+         *     -1 =>     0x81
+         *    127 =>     0x7f
+         *   -127 =>     0xff
+         *    128 =>   0x0080
+         *   -128 =>   0x8080
+         *    255 =>   0x00ff
+         *   -255 =>   0x80ff
+         *  16300 =>   0x3fac
+         * -16300 =>   0xbfac
+         *  62300 => 0x00f35c
+         * -62300 => 0x80f35c
+         */
+        BigInteger.prototype.toByteArraySigned = function() {
+            var val = this.abs().toByteArrayUnsigned();
+            var neg = this.compareTo(BigInteger.ZERO) < 0;
+
+            if (neg) {
+                if (val[0] & 0x80) {
+                    val.unshift(0x80);
+                } else {
+                    val[0] |= 0x80;
+                }
+            } else {
+                if (val[0] & 0x80) {
+                    val.unshift(0x00);
+                }
+            }
+
+            return val;
+        };
+
+        /**
+         * Parse a signed big integer byte representation.
+         *
+         * For details on the format please see BigInteger.toByteArraySigned.
+         */
+        BigInteger.fromByteArraySigned = function(ba) {
+            // Check for negative value
+            if (ba[0] & 0x80) {
+                // Remove sign bit
+                ba[0] &= 0x7f;
+
+                return BigInteger.fromByteArrayUnsigned(ba).negate();
+            } else {
+                return BigInteger.fromByteArrayUnsigned(ba);
+            }
+        };
+        // Copyright Stephan Thomas (end) --- //
 
 
-        //ellipticcurve.js
+
+
+        // ****** REDUCTION ******* //
+
+        // Modular reduction using "classic" algorithm
+        var Classic = GLOBAL.Classic = function Classic(m) {
+            this.m = m;
+        }
+        Classic.prototype.convert = function(x) {
+            if (x.s < 0 || x.compareTo(this.m) >= 0) return x.mod(this.m);
+            else return x;
+        };
+        Classic.prototype.revert = function(x) {
+            return x;
+        };
+        Classic.prototype.reduce = function(x) {
+            x.divRemTo(this.m, null, x);
+        };
+        Classic.prototype.mulTo = function(x, y, r) {
+            x.multiplyTo(y, r);
+            this.reduce(r);
+        };
+        Classic.prototype.sqrTo = function(x, r) {
+            x.squareTo(r);
+            this.reduce(r);
+        };
+
+
+
+
+
+        // Montgomery reduction
+        var Montgomery = GLOBAL.Montgomery = function Montgomery(m) {
+            this.m = m;
+            this.mp = m.invDigit();
+            this.mpl = this.mp & 0x7fff;
+            this.mph = this.mp >> 15;
+            this.um = (1 << (m.DB - 15)) - 1;
+            this.mt2 = 2 * m.t;
+        }
+        // xR mod m
+        Montgomery.prototype.convert = function(x) {
+            var r = nbi();
+            x.abs().dlShiftTo(this.m.t, r);
+            r.divRemTo(this.m, null, r);
+            if (x.s < 0 && r.compareTo(BigInteger.ZERO) > 0) this.m.subTo(r, r);
+            return r;
+        }
+        // x/R mod m
+        Montgomery.prototype.revert = function(x) {
+            var r = nbi();
+            x.copyTo(r);
+            this.reduce(r);
+            return r;
+        };
+        // x = x/R mod m (HAC 14.32)
+        Montgomery.prototype.reduce = function(x) {
+            while (x.t <= this.mt2) // pad x so am has enough room later
+                x[x.t++] = 0;
+            for (var i = 0; i < this.m.t; ++i) {
+                // faster way of calculating u0 = x[i]*mp mod DV
+                var j = x[i] & 0x7fff;
+                var u0 = (j * this.mpl + (((j * this.mph + (x[i] >> 15) * this.mpl) & this.um) << 15)) & x.DM;
+                // use am to combine the multiply-shift-add into one call
+                j = i + this.m.t;
+                x[j] += this.m.am(0, u0, x, i, 0, this.m.t);
+                // propagate carry
+                while (x[j] >= x.DV) {
+                    x[j] -= x.DV;
+                    x[++j]++;
+                }
+            }
+            x.clamp();
+            x.drShiftTo(this.m.t, x);
+            if (x.compareTo(this.m) >= 0) x.subTo(this.m, x);
+        };
+        // r = "xy/R mod m"; x,y != r
+        Montgomery.prototype.mulTo = function(x, y, r) {
+            x.multiplyTo(y, r);
+            this.reduce(r);
+        };
+        // r = "x^2/R mod m"; x != r
+        Montgomery.prototype.sqrTo = function(x, r) {
+            x.squareTo(r);
+            this.reduce(r);
+        };
+
+
+
+
+
+        // A "null" reducer
+        var NullExp = GLOBAL.NullExp = function NullExp() {}
+        NullExp.prototype.convert = function(x) {
+            return x;
+        };
+        NullExp.prototype.revert = function(x) {
+            return x;
+        };
+        NullExp.prototype.mulTo = function(x, y, r) {
+            x.multiplyTo(y, r);
+        };
+        NullExp.prototype.sqrTo = function(x, r) {
+            x.squareTo(r);
+        };
+
+
+
+
+
+        // Barrett modular reduction
+        var Barrett = GLOBAL.Barrett = function Barrett(m) {
+            // setup Barrett
+            this.r2 = nbi();
+            this.q3 = nbi();
+            BigInteger.ONE.dlShiftTo(2 * m.t, this.r2);
+            this.mu = this.r2.divide(m);
+            this.m = m;
+        }
+        Barrett.prototype.convert = function(x) {
+            if (x.s < 0 || x.t > 2 * this.m.t) return x.mod(this.m);
+            else if (x.compareTo(this.m) < 0) return x;
+            else {
+                var r = nbi();
+                x.copyTo(r);
+                this.reduce(r);
+                return r;
+            }
+        };
+        Barrett.prototype.revert = function(x) {
+            return x;
+        };
+        // x = x mod m (HAC 14.42)
+        Barrett.prototype.reduce = function(x) {
+            x.drShiftTo(this.m.t - 1, this.r2);
+            if (x.t > this.m.t + 1) {
+                x.t = this.m.t + 1;
+                x.clamp();
+            }
+            this.mu.multiplyUpperTo(this.r2, this.m.t + 1, this.q3);
+            this.m.multiplyLowerTo(this.q3, this.m.t + 1, this.r2);
+            while (x.compareTo(this.r2) < 0) x.dAddOffset(1, this.m.t + 1);
+            x.subTo(this.r2, x);
+            while (x.compareTo(this.m) >= 0) x.subTo(this.m, x);
+        };
+        // r = x*y mod m; x,y != r
+        Barrett.prototype.mulTo = function(x, y, r) {
+            x.multiplyTo(y, r);
+            this.reduce(r);
+        };
+        // r = x^2 mod m; x != r
+        Barrett.prototype.sqrTo = function(x, r) {
+            x.squareTo(r);
+            this.reduce(r);
+        };
+
+        // BigInteger interfaces not implemented in jsbn:
+
+        // BigInteger(int signum, byte[] magnitude)
+        // double doubleValue()
+        // float floatValue()
+        // int hashCode()
+        // long longValue()
+        // static BigInteger valueOf(long val)
+    })(typeof global !== "undefined" ? global : window);
+
+    //ellipticcurve.js
+    (function(GLOBAL) {
         /*!
          * Basic Javascript Elliptic Curve implementation
          * Ported loosely from BouncyCastle's Java EC code
@@ -2555,120 +2430,118 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
          * Copyright Tom Wu, bitaddress.org  BSD License.
          * http://www-cs-students.stanford.edu/~tjw/jsbn/LICENSE
          */
-        (function () {
+        // Constructor function of Global EllipticCurve object
+        var ec = GLOBAL.EllipticCurve = function() {};
 
-            // Constructor function of Global EllipticCurve object
-            var ec  = window.EllipticCurve = function () {};
+        // ----------------
+        // ECFieldElementFp constructor
+        // q instanceof BigInteger
+        // x instanceof BigInteger
+        ec.FieldElementFp = function(q, x) {
+            this.x = x;
+            // TODO if(x.compareTo(q) >= 0) error
+            this.q = q;
+        };
 
-            // ----------------
-            // ECFieldElementFp constructor
-            // q instanceof BigInteger
-            // x instanceof BigInteger
-            ec.FieldElementFp = function (q, x) {
-                this.x = x;
-                // TODO if(x.compareTo(q) >= 0) error
-                this.q = q;
-            };
+        ec.FieldElementFp.prototype.equals = function(other) {
+            if (other == this) return true;
+            return (this.q.equals(other.q) && this.x.equals(other.x));
+        };
 
-            ec.FieldElementFp.prototype.equals = function (other) {
-                if (other == this) return true;
-                return (this.q.equals(other.q) && this.x.equals(other.x));
-            };
+        ec.FieldElementFp.prototype.toBigInteger = function() {
+            return this.x;
+        };
 
-            ec.FieldElementFp.prototype.toBigInteger = function () {
-                return this.x;
-            };
+        ec.FieldElementFp.prototype.negate = function() {
+            return new ec.FieldElementFp(this.q, this.x.negate().mod(this.q));
+        };
 
-            ec.FieldElementFp.prototype.negate = function () {
-                return new ec.FieldElementFp(this.q, this.x.negate().mod(this.q));
-            };
+        ec.FieldElementFp.prototype.add = function(b) {
+            return new ec.FieldElementFp(this.q, this.x.add(b.toBigInteger()).mod(this.q));
+        };
 
-            ec.FieldElementFp.prototype.add = function (b) {
-                return new ec.FieldElementFp(this.q, this.x.add(b.toBigInteger()).mod(this.q));
-            };
+        ec.FieldElementFp.prototype.subtract = function(b) {
+            return new ec.FieldElementFp(this.q, this.x.subtract(b.toBigInteger()).mod(this.q));
+        };
 
-            ec.FieldElementFp.prototype.subtract = function (b) {
-                return new ec.FieldElementFp(this.q, this.x.subtract(b.toBigInteger()).mod(this.q));
-            };
+        ec.FieldElementFp.prototype.multiply = function(b) {
+            return new ec.FieldElementFp(this.q, this.x.multiply(b.toBigInteger()).mod(this.q));
+        };
 
-            ec.FieldElementFp.prototype.multiply = function (b) {
-                return new ec.FieldElementFp(this.q, this.x.multiply(b.toBigInteger()).mod(this.q));
-            };
+        ec.FieldElementFp.prototype.square = function() {
+            return new ec.FieldElementFp(this.q, this.x.square().mod(this.q));
+        };
 
-            ec.FieldElementFp.prototype.square = function () {
-                return new ec.FieldElementFp(this.q, this.x.square().mod(this.q));
-            };
+        ec.FieldElementFp.prototype.divide = function(b) {
+            return new ec.FieldElementFp(this.q, this.x.multiply(b.toBigInteger().modInverse(this.q)).mod(
+                this.q));
+        };
 
-            ec.FieldElementFp.prototype.divide = function (b) {
-                return new ec.FieldElementFp(this.q, this.x.multiply(b.toBigInteger().modInverse(this.q)).mod(
+        ec.FieldElementFp.prototype.getByteLength = function() {
+            return Math.floor((this.toBigInteger().bitLength() + 7) / 8);
+        };
+
+        // D.1.4 91
+        /**
+         * return a sqrt root - the routine verifies that the calculation
+         * returns the right value - if none exists it returns null.
+         *
+         * Copyright (c) 2000 - 2011 The Legion Of The Bouncy Castle (http://www.bouncycastle.org)
+         * Ported to JavaScript by bitaddress.org
+         */
+        ec.FieldElementFp.prototype.sqrt = function() {
+            if (!this.q.testBit(0)) throw new Error("even value of q");
+
+            // p mod 4 == 3
+            if (this.q.testBit(1)) {
+                // z = g^(u+1) + p, p = 4u + 3
+                var z = new ec.FieldElementFp(this.q, this.x.modPow(this.q.shiftRight(2).add(BigInteger.ONE),
                     this.q));
-            };
+                return z.square().equals(this) ? z : null;
+            }
 
-            ec.FieldElementFp.prototype.getByteLength = function () {
-                return Math.floor((this.toBigInteger().bitLength() + 7) / 8);
-            };
-
-            // D.1.4 91
-            /**
-             * return a sqrt root - the routine verifies that the calculation
-             * returns the right value - if none exists it returns null.
-             *
-             * Copyright (c) 2000 - 2011 The Legion Of The Bouncy Castle (http://www.bouncycastle.org)
-             * Ported to JavaScript by bitaddress.org
-             */
-            ec.FieldElementFp.prototype.sqrt = function () {
-                if (!this.q.testBit(0)) throw new Error("even value of q");
-
-                // p mod 4 == 3
-                if (this.q.testBit(1)) {
-                    // z = g^(u+1) + p, p = 4u + 3
-                    var z = new ec.FieldElementFp(this.q, this.x.modPow(this.q.shiftRight(2).add(BigInteger.ONE),
-                        this.q));
-                    return z.square().equals(this) ? z : null;
-                }
-
-                // p mod 4 == 1
-                var qMinusOne = this.q.subtract(BigInteger.ONE);
-                var legendreExponent = qMinusOne.shiftRight(1);
-                if (!(this.x.modPow(legendreExponent, this.q).equals(BigInteger.ONE))) return null;
-                var u = qMinusOne.shiftRight(2);
-                var k = u.shiftLeft(1).add(BigInteger.ONE);
-                var Q = this.x;
-                var fourQ = Q.shiftLeft(2).mod(this.q);
-                var U, V;
+            // p mod 4 == 1
+            var qMinusOne = this.q.subtract(BigInteger.ONE);
+            var legendreExponent = qMinusOne.shiftRight(1);
+            if (!(this.x.modPow(legendreExponent, this.q).equals(BigInteger.ONE))) return null;
+            var u = qMinusOne.shiftRight(2);
+            var k = u.shiftLeft(1).add(BigInteger.ONE);
+            var Q = this.x;
+            var fourQ = Q.shiftLeft(2).mod(this.q);
+            var U, V;
 
+            do {
+                var rand = new SecureRandom();
+                var P;
                 do {
-                    var rand = new SecureRandom();
-                    var P;
-                    do {
-                        P = new BigInteger(this.q.bitLength(), rand);
-                    }
-                    while (P.compareTo(this.q) >= 0 || !(P.multiply(P).subtract(fourQ).modPow(legendreExponent,
-                            this.q).equals(qMinusOne)));
-
-                    var result = ec.FieldElementFp.fastLucasSequence(this.q, P, Q, k);
-
-                    U = result[0];
-                    V = result[1];
-                    if (V.multiply(V).mod(this.q).equals(fourQ)) {
-                        // Integer division by 2, mod q
-                        if (V.testBit(0)) {
-                            V = V.add(this.q);
-                        }
-                        V = V.shiftRight(1);
-                        return new ec.FieldElementFp(this.q, V);
-                    }
+                    P = new BigInteger(this.q.bitLength(), rand);
                 }
-                while (U.equals(BigInteger.ONE) || U.equals(qMinusOne));
+                while (P.compareTo(this.q) >= 0 || !(P.multiply(P).subtract(fourQ).modPow(legendreExponent,
+                        this.q).equals(qMinusOne)));
 
-                return null;
-            };
-                /*!
-        * Crypto-JS 2.5.4 BlockModes.js
-        * contribution from Simon Greatrix
-        */
+                var result = ec.FieldElementFp.fastLucasSequence(this.q, P, Q, k);
 
-        (function (C) {
+                U = result[0];
+                V = result[1];
+                if (V.multiply(V).mod(this.q).equals(fourQ)) {
+                    // Integer division by 2, mod q
+                    if (V.testBit(0)) {
+                        V = V.add(this.q);
+                    }
+                    V = V.shiftRight(1);
+                    return new ec.FieldElementFp(this.q, V);
+                }
+            }
+            while (U.equals(BigInteger.ONE) || U.equals(qMinusOne));
+
+            return null;
+        };
+        /*!
+         * Crypto-JS 2.5.4 BlockModes.js
+         * contribution from Simon Greatrix
+         */
+
+        (function(C) {
 
             // Create pad namespace
             var C_pad = C.pad = {};
@@ -2681,7 +2554,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
             }
 
             // Remove padding when the final byte gives the number of padding bytes.
-            var _unpadLength = function (cipher, message, alg, padding) {
+            var _unpadLength = function(cipher, message, alg, padding) {
                 var pad = message.pop();
                 if (pad == 0) {
                     throw new Error("Invalid zero-length padding specified for " + alg +
@@ -2705,8 +2578,8 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
 
             // No-operation padding, used for stream ciphers
             C_pad.NoPadding = {
-                pad: function (cipher, message) {},
-                unpad: function (cipher, message) {}
+                pad: function(cipher, message) {},
+                unpad: function(cipher, message) {}
             };
 
             // Zero Padding.
@@ -2714,7 +2587,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
             // If the message is not an exact number of blocks, the final block is
             // completed with 0x00 bytes. There is no unpadding.
             C_pad.ZeroPadding = {
-                pad: function (cipher, message) {
+                pad: function(cipher, message) {
                     var blockSizeInBytes = cipher._blocksize * 4;
                     var reqd = message.length % blockSizeInBytes;
                     if (reqd != 0) {
@@ -2724,7 +2597,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
                     }
                 },
 
-                unpad: function (cipher, message) {
+                unpad: function(cipher, message) {
                     while (message[message.length - 1] == 0) {
                         message.pop();
                     }
@@ -2736,7 +2609,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
             // Pads the plain text with an 0x80 byte followed by as many 0x00
             // bytes are required to complete the block.
             C_pad.iso7816 = {
-                pad: function (cipher, message) {
+                pad: function(cipher, message) {
                     var reqd = _requiredPadding(cipher, message);
                     message.push(0x80);
                     for (; reqd > 1; reqd--) {
@@ -2744,7 +2617,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
                     }
                 },
 
-                unpad: function (cipher, message) {
+                unpad: function(cipher, message) {
                     var padLength;
                     for (padLength = cipher._blocksize * 4; padLength > 0; padLength--) {
                         var b = message.pop();
@@ -2765,7 +2638,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
             // The final block is padded with zeros except for the last byte of the
             // last block which contains the number of padding bytes.
             C_pad.ansix923 = {
-                pad: function (cipher, message) {
+                pad: function(cipher, message) {
                     var reqd = _requiredPadding(cipher, message);
                     for (var i = 1; i < reqd; i++) {
                         message.push(0x00);
@@ -2773,7 +2646,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
                     message.push(reqd);
                 },
 
-                unpad: function (cipher, message) {
+                unpad: function(cipher, message) {
                     _unpadLength(cipher, message, "ANSI X.923", 0);
                 }
             };
@@ -2783,7 +2656,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
             // The final block is padded with random bytes except for the last
             // byte of the last block which contains the number of padding bytes.
             C_pad.iso10126 = {
-                pad: function (cipher, message) {
+                pad: function(cipher, message) {
                     var reqd = _requiredPadding(cipher, message);
                     for (var i = 1; i < reqd; i++) {
                         message.push(Math.floor(Math.random() * 256));
@@ -2791,7 +2664,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
                     message.push(reqd);
                 },
 
-                unpad: function (cipher, message) {
+                unpad: function(cipher, message) {
                     _unpadLength(cipher, message, "ISO 10126", undefined);
                 }
             };
@@ -2802,14 +2675,14 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
             // value of each added byte is the number of bytes that are added,
             // i.e. N bytes, each of value N are added.
             C_pad.pkcs7 = {
-                pad: function (cipher, message) {
+                pad: function(cipher, message) {
                     var reqd = _requiredPadding(cipher, message);
                     for (var i = 0; i < reqd; i++) {
                         message.push(reqd);
                     }
                 },
 
-                unpad: function (cipher, message) {
+                unpad: function(cipher, message) {
                     _unpadLength(cipher, message, "PKCS 7", message[message.length - 1]);
                 }
             };
@@ -2818,21 +2691,21 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
             var C_mode = C.mode = {};
 
             /**
-            * Mode base "class".
-            */
-            var Mode = C_mode.Mode = function (padding) {
+             * Mode base "class".
+             */
+            var Mode = C_mode.Mode = function(padding) {
                 if (padding) {
                     this._padding = padding;
                 }
             };
 
             Mode.prototype = {
-                encrypt: function (cipher, m, iv) {
+                encrypt: function(cipher, m, iv) {
                     this._padding.pad(cipher, m);
                     this._doEncrypt(cipher, m, iv);
                 },
 
-                decrypt: function (cipher, m, iv) {
+                decrypt: function(cipher, m, iv) {
                     this._doDecrypt(cipher, m, iv);
                     this._padding.unpad(cipher, m);
                 },
@@ -2843,13 +2716,13 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
 
 
             /**
-            * Electronic Code Book mode.
-            * 
-            * ECB applies the cipher directly against each block of the input.
-            * 
-            * ECB does not require an initialization vector.
-            */
-            var ECB = C_mode.ECB = function () {
+             * Electronic Code Book mode.
+             * 
+             * ECB applies the cipher directly against each block of the input.
+             * 
+             * ECB does not require an initialization vector.
+             */
+            var ECB = C_mode.ECB = function() {
                 // Call parent constructor
                 Mode.apply(this, arguments);
             };
@@ -2858,14 +2731,14 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
             var ECB_prototype = ECB.prototype = new Mode;
 
             // Concrete steps for Mode template
-            ECB_prototype._doEncrypt = function (cipher, m, iv) {
+            ECB_prototype._doEncrypt = function(cipher, m, iv) {
                 var blockSizeInBytes = cipher._blocksize * 4;
                 // Encrypt each block
                 for (var offset = 0; offset < m.length; offset += blockSizeInBytes) {
                     cipher._encryptblock(m, offset);
                 }
             };
-            ECB_prototype._doDecrypt = function (cipher, c, iv) {
+            ECB_prototype._doDecrypt = function(cipher, c, iv) {
                 var blockSizeInBytes = cipher._blocksize * 4;
                 // Decrypt each block
                 for (var offset = 0; offset < c.length; offset += blockSizeInBytes) {
@@ -2874,18 +2747,18 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
             };
 
             // ECB never uses an IV
-            ECB_prototype.fixOptions = function (options) {
+            ECB_prototype.fixOptions = function(options) {
                 options.iv = [];
             };
 
 
             /**
-            * Cipher block chaining
-            * 
-            * The first block is XORed with the IV. Subsequent blocks are XOR with the
-            * previous cipher output.
-            */
-            var CBC = C_mode.CBC = function () {
+             * Cipher block chaining
+             * 
+             * The first block is XORed with the IV. Subsequent blocks are XOR with the
+             * previous cipher output.
+             */
+            var CBC = C_mode.CBC = function() {
                 // Call parent constructor
                 Mode.apply(this, arguments);
             };
@@ -2894,7 +2767,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
             var CBC_prototype = CBC.prototype = new Mode;
 
             // Concrete steps for Mode template
-            CBC_prototype._doEncrypt = function (cipher, m, iv) {
+            CBC_prototype._doEncrypt = function(cipher, m, iv) {
                 var blockSizeInBytes = cipher._blocksize * 4;
 
                 // Encrypt each block
@@ -2912,7 +2785,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
                     cipher._encryptblock(m, offset);
                 }
             };
-            CBC_prototype._doDecrypt = function (cipher, c, iv) {
+            CBC_prototype._doDecrypt = function(cipher, c, iv) {
                 var blockSizeInBytes = cipher._blocksize * 4;
 
                 // At the start, the previously crypted block is the IV
@@ -2934,15 +2807,15 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
 
 
             /**
-            * Cipher feed back
-            * 
-            * The cipher output is XORed with the plain text to produce the cipher output,
-            * which is then fed back into the cipher to produce a bit pattern to XOR the
-            * next block with.
-            * 
-            * This is a stream cipher mode and does not require padding.
-            */
-            var CFB = C_mode.CFB = function () {
+             * Cipher feed back
+             * 
+             * The cipher output is XORed with the plain text to produce the cipher output,
+             * which is then fed back into the cipher to produce a bit pattern to XOR the
+             * next block with.
+             * 
+             * This is a stream cipher mode and does not require padding.
+             */
+            var CFB = C_mode.CFB = function() {
                 // Call parent constructor
                 Mode.apply(this, arguments);
             };
@@ -2954,7 +2827,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
             CFB_prototype._padding = C_pad.NoPadding;
 
             // Concrete steps for Mode template
-            CFB_prototype._doEncrypt = function (cipher, m, iv) {
+            CFB_prototype._doEncrypt = function(cipher, m, iv) {
                 var blockSizeInBytes = cipher._blocksize * 4,
                     keystream = iv.slice(0);
 
@@ -2968,7 +2841,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
                     keystream[j] = m[i];
                 }
             };
-            CFB_prototype._doDecrypt = function (cipher, c, iv) {
+            CFB_prototype._doDecrypt = function(cipher, c, iv) {
                 var blockSizeInBytes = cipher._blocksize * 4,
                     keystream = iv.slice(0);
 
@@ -2986,14 +2859,14 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
 
 
             /**
-            * Output feed back
-            * 
-            * The cipher repeatedly encrypts its own output. The output is XORed with the
-            * plain text to produce the cipher text.
-            * 
-            * This is a stream cipher mode and does not require padding.
-            */
-            var OFB = C_mode.OFB = function () {
+             * Output feed back
+             * 
+             * The cipher repeatedly encrypts its own output. The output is XORed with the
+             * plain text to produce the cipher text.
+             * 
+             * This is a stream cipher mode and does not require padding.
+             */
+            var OFB = C_mode.OFB = function() {
                 // Call parent constructor
                 Mode.apply(this, arguments);
             };
@@ -3005,7 +2878,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
             OFB_prototype._padding = C_pad.NoPadding;
 
             // Concrete steps for Mode template
-            OFB_prototype._doEncrypt = function (cipher, m, iv) {
+            OFB_prototype._doEncrypt = function(cipher, m, iv) {
 
                 var blockSizeInBytes = cipher._blocksize * 4,
                     keystream = iv.slice(0);
@@ -3025,15 +2898,15 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
             OFB_prototype._doDecrypt = OFB_prototype._doEncrypt;
 
             /**
-            * Counter
-            * @author Gergely Risko
-            *
-            * After every block the last 4 bytes of the IV is increased by one
-            * with carry and that IV is used for the next block.
-            *
-            * This is a stream cipher mode and does not require padding.
-            */
-            var CTR = C_mode.CTR = function () {
+             * Counter
+             * @author Gergely Risko
+             *
+             * After every block the last 4 bytes of the IV is increased by one
+             * with carry and that IV is used for the next block.
+             *
+             * This is a stream cipher mode and does not require padding.
+             */
+            var CTR = C_mode.CTR = function() {
                 // Call parent constructor
                 Mode.apply(this, arguments);
             };
@@ -3044,7 +2917,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
             // Override padding
             CTR_prototype._padding = C_pad.NoPadding;
 
-            CTR_prototype._doEncrypt = function (cipher, m, iv) {
+            CTR_prototype._doEncrypt = function(cipher, m, iv) {
                 var blockSizeInBytes = cipher._blocksize * 4;
                 var counter = iv.slice(0);
 
@@ -3077,13 +2950,13 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
 
         })(Crypto);
 
-            /*!
-        * Crypto-JS v2.5.4  PBKDF2.js
-        * http://code.google.com/p/crypto-js/
-        * Copyright (c) 2009-2013, Jeff Mott. All rights reserved.
-        * http://code.google.com/p/crypto-js/wiki/License
-        */
-        (function () {
+        /*!
+         * Crypto-JS v2.5.4  PBKDF2.js
+         * http://code.google.com/p/crypto-js/
+         * Copyright (c) 2009-2013, Jeff Mott. All rights reserved.
+         * http://code.google.com/p/crypto-js/wiki/License
+         */
+        (function() {
 
             // Shortcuts
             var C = Crypto,
@@ -3092,7 +2965,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
                 UTF8 = charenc.UTF8,
                 Binary = charenc.Binary;
 
-            C.PBKDF2 = function (password, salt, keylen, options) {
+            C.PBKDF2 = function(password, salt, keylen, options) {
 
                 // Convert to byte arrays
                 if (password.constructor == String) password = UTF8.stringToBytes(password);
@@ -3133,42 +3006,42 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
             };
 
         })();
-    
-  /*
-        * Copyright (c) 2010-2011 Intalio Pte, All Rights Reserved
-        * 
-        * Permission is hereby granted, free of charge, to any person obtaining a copy
-        * of this software and associated documentation files (the "Software"), to deal
-        * in the Software without restriction, including without limitation the rights
-        * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-        * copies of the Software, and to permit persons to whom the Software is
-        * furnished to do so, subject to the following conditions:
-        * 
-        * The above copyright notice and this permission notice shall be included in
-        * all copies or substantial portions of the Software.
-        * 
-        * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-        * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-        * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-        * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-        * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-        * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-        * THE SOFTWARE.
-        */
+
+        /*
+         * Copyright (c) 2010-2011 Intalio Pte, All Rights Reserved
+         * 
+         * Permission is hereby granted, free of charge, to any person obtaining a copy
+         * of this software and associated documentation files (the "Software"), to deal
+         * in the Software without restriction, including without limitation the rights
+         * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+         * copies of the Software, and to permit persons to whom the Software is
+         * furnished to do so, subject to the following conditions:
+         * 
+         * The above copyright notice and this permission notice shall be included in
+         * all copies or substantial portions of the Software.
+         * 
+         * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+         * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+         * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+         * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+         * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+         * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+         * THE SOFTWARE.
+         */
         // https://github.com/cheongwy/node-scrypt-js
-        (function () {
+        (function() {
 
             var MAX_VALUE = 2147483647;
             var workerUrl = null;
 
             //function scrypt(byte[] passwd, byte[] salt, int N, int r, int p, int dkLen)
             /*
-            * N = Cpu cost
-            * r = Memory cost
-            * p = parallelization cost
-            * 
-            */
-            window.Crypto_scrypt = function (passwd, salt, N, r, p, dkLen, callback) {
+             * N = Cpu cost
+             * r = Memory cost
+             * p = parallelization cost
+             * 
+             */
+            GLOBAL.Crypto_scrypt = function(passwd, salt, N, r, p, dkLen, callback) {
                 if (N == 0 || (N & (N - 1)) != 0) throw Error("N must be > 0 and a power of 2");
 
                 if (N > MAX_VALUE / 128 / r) throw Error("Parameter N is too large");
@@ -3185,7 +3058,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
                 try {
                     var i = 0;
                     var worksDone = 0;
-                    var makeWorker = function () {
+                    var makeWorker = function() {
                         if (!workerUrl) {
                             var code = '(' + scryptCore.toString() + ')()';
                             var blob;
@@ -3194,9 +3067,9 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
                                     type: "text/javascript"
                                 });
                             } catch (e) {
-                                window.BlobBuilder = window.BlobBuilder || window.WebKitBlobBuilder ||
-                                    window.MozBlobBuilder ||
-                                    window.MSBlobBuilder;
+                                GLOBAL.BlobBuilder = GLOBAL.BlobBuilder || GLOBAL.WebKitBlobBuilder ||
+                                    GLOBAL.MozBlobBuilder ||
+                                    GLOBAL.MSBlobBuilder;
                                 blob = new BlobBuilder();
                                 blob.append(code);
                                 blob = blob.getBlob("text/javascript");
@@ -3204,7 +3077,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
                             workerUrl = URL.createObjectURL(blob);
                         }
                         var worker = new Worker(workerUrl);
-                        worker.onmessage = function (event) {
+                        worker.onmessage = function(event) {
                             var Bi = event.data[0],
                                 Bslice = event.data[1];
                             worksDone++;
@@ -3232,7 +3105,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
                         workers[1].postMessage([N, r, p, B, i++]);
                     }
                 } catch (e) {
-                    window.setTimeout(function () {
+                    GLOBAL.setTimeout(function() {
                         scryptCore();
                         callback(Crypto.PBKDF2(passwd, B, dkLen, PBKDF2_opts));
                     }, 0);
@@ -3244,7 +3117,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
                         V = [];
 
                     if (typeof B === 'undefined') {
-                        onmessage = function (event) {
+                        onmessage = function(event) {
                             var data = event.data;
                             var N = data[0],
                                 r = data[1],
@@ -3507,16 +3380,16 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
                         }
                     }
                 } // scryptCore
-            }; // window.Crypto_scrypt
+            }; // GLOBAL.Crypto_scrypt
         })();
 
-      /*!
-        * Crypto-JS v2.5.4  AES.js
-        * http://code.google.com/p/crypto-js/
-        * Copyright (c) 2009-2013, Jeff Mott. All rights reserved.
-        * http://code.google.com/p/crypto-js/wiki/License
-        */
-        (function () {
+        /*!
+         * Crypto-JS v2.5.4  AES.js
+         * http://code.google.com/p/crypto-js/
+         * Copyright (c) 2009-2013, Jeff Mott. All rights reserved.
+         * http://code.google.com/p/crypto-js/wiki/License
+         */
+        (function() {
 
             // Shortcuts
             var C = Crypto,
@@ -3607,10 +3480,10 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
             var AES = C.AES = {
 
                 /**
-                * Public API
-                */
+                 * Public API
+                 */
 
-                encrypt: function (message, password, options) {
+                encrypt: function(message, password, options) {
 
                     options = options || {};
 
@@ -3653,7 +3526,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
 
                 },
 
-                decrypt: function (ciphertext, password, options) {
+                decrypt: function(ciphertext, password, options) {
 
                     options = options || {};
 
@@ -3697,12 +3570,12 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
 
 
                 /**
-                * Package private methods and properties
-                */
+                 * Package private methods and properties
+                 */
 
                 _blocksize: 4,
 
-                _encryptblock: function (m, offset) {
+                _encryptblock: function(m, offset) {
 
                     // Set input
                     for (var row = 0; row < AES._blocksize; row++) {
@@ -3779,7 +3652,7 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
 
                 },
 
-                _decryptblock: function (c, offset) {
+                _decryptblock: function(c, offset) {
 
                     // Set input
                     for (var row = 0; row < AES._blocksize; row++) {
@@ -3858,17 +3731,17 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
 
 
                 /**
-                * Private methods
-                */
+                 * Private methods
+                 */
 
-                _init: function (k) {
+                _init: function(k) {
                     keylength = k.length / 4;
                     nrounds = keylength + 6;
                     AES._keyexpansion(k);
                 },
 
                 // Generate a key schedule
-                _keyexpansion: function (k) {
+                _keyexpansion: function(k) {
 
                     keyschedule = [];
 
@@ -3927,2115 +3800,2142 @@ if (typeof Crypto == "undefined" || !Crypto.util) {
             };
 
         })();
-  
-            /*
-             * Copyright (c) 2000 - 2011 The Legion Of The Bouncy Castle (http://www.bouncycastle.org)
-             * Ported to JavaScript by bitaddress.org
-             */
-            ec.FieldElementFp.fastLucasSequence = function (p, P, Q, k) {
-                // TODO Research and apply "common-multiplicand multiplication here"
 
-                var n = k.bitLength();
-                var s = k.getLowestSetBit();
-                var Uh = BigInteger.ONE;
-                var Vl = BigInteger.TWO;
-                var Vh = P;
-                var Ql = BigInteger.ONE;
-                var Qh = BigInteger.ONE;
+        /*
+         * Copyright (c) 2000 - 2011 The Legion Of The Bouncy Castle (http://www.bouncycastle.org)
+         * Ported to JavaScript by bitaddress.org
+         */
+        ec.FieldElementFp.fastLucasSequence = function(p, P, Q, k) {
+            // TODO Research and apply "common-multiplicand multiplication here"
 
-                for (var j = n - 1; j >= s + 1; --j) {
-                    Ql = Ql.multiply(Qh).mod(p);
-                    if (k.testBit(j)) {
-                        Qh = Ql.multiply(Q).mod(p);
-                        Uh = Uh.multiply(Vh).mod(p);
-                        Vl = Vh.multiply(Vl).subtract(P.multiply(Ql)).mod(p);
-                        Vh = Vh.multiply(Vh).subtract(Qh.shiftLeft(1)).mod(p);
-                    } else {
-                        Qh = Ql;
-                        Uh = Uh.multiply(Vl).subtract(Ql).mod(p);
-                        Vh = Vh.multiply(Vl).subtract(P.multiply(Ql)).mod(p);
-                        Vl = Vl.multiply(Vl).subtract(Ql.shiftLeft(1)).mod(p);
-                    }
-                }
+            var n = k.bitLength();
+            var s = k.getLowestSetBit();
+            var Uh = BigInteger.ONE;
+            var Vl = BigInteger.TWO;
+            var Vh = P;
+            var Ql = BigInteger.ONE;
+            var Qh = BigInteger.ONE;
 
+            for (var j = n - 1; j >= s + 1; --j) {
                 Ql = Ql.multiply(Qh).mod(p);
-                Qh = Ql.multiply(Q).mod(p);
-                Uh = Uh.multiply(Vl).subtract(Ql).mod(p);
-                Vl = Vh.multiply(Vl).subtract(P.multiply(Ql)).mod(p);
-                Ql = Ql.multiply(Qh).mod(p);
-
-                for (var j = 1; j <= s; ++j) {
-                    Uh = Uh.multiply(Vl).mod(p);
+                if (k.testBit(j)) {
+                    Qh = Ql.multiply(Q).mod(p);
+                    Uh = Uh.multiply(Vh).mod(p);
+                    Vl = Vh.multiply(Vl).subtract(P.multiply(Ql)).mod(p);
+                    Vh = Vh.multiply(Vh).subtract(Qh.shiftLeft(1)).mod(p);
+                } else {
+                    Qh = Ql;
+                    Uh = Uh.multiply(Vl).subtract(Ql).mod(p);
+                    Vh = Vh.multiply(Vl).subtract(P.multiply(Ql)).mod(p);
                     Vl = Vl.multiply(Vl).subtract(Ql.shiftLeft(1)).mod(p);
-                    Ql = Ql.multiply(Ql).mod(p);
                 }
+            }
 
-                return [Uh, Vl];
-            };
+            Ql = Ql.multiply(Qh).mod(p);
+            Qh = Ql.multiply(Q).mod(p);
+            Uh = Uh.multiply(Vl).subtract(Ql).mod(p);
+            Vl = Vh.multiply(Vl).subtract(P.multiply(Ql)).mod(p);
+            Ql = Ql.multiply(Qh).mod(p);
 
-            // ----------------
-            // ECPointFp constructor
-            ec.PointFp = function (curve, x, y, z, compressed) {
-                this.curve = curve;
-                this.x = x;
-                this.y = y;
-                // Projective coordinates: either zinv == null or z * zinv == 1
-                // z and zinv are just BigIntegers, not fieldElements
-                if (z == null) {
-                    this.z = BigInteger.ONE;
-                } else {
-                    this.z = z;
+            for (var j = 1; j <= s; ++j) {
+                Uh = Uh.multiply(Vl).mod(p);
+                Vl = Vl.multiply(Vl).subtract(Ql.shiftLeft(1)).mod(p);
+                Ql = Ql.multiply(Ql).mod(p);
+            }
+
+            return [Uh, Vl];
+        };
+
+        // ----------------
+        // ECPointFp constructor
+        ec.PointFp = function(curve, x, y, z, compressed) {
+            this.curve = curve;
+            this.x = x;
+            this.y = y;
+            // Projective coordinates: either zinv == null or z * zinv == 1
+            // z and zinv are just BigIntegers, not fieldElements
+            if (z == null) {
+                this.z = BigInteger.ONE;
+            } else {
+                this.z = z;
+            }
+            this.zinv = null;
+            // compression flag
+            this.compressed = !!compressed;
+        };
+
+        ec.PointFp.prototype.getX = function() {
+            if (this.zinv == null) {
+                this.zinv = this.z.modInverse(this.curve.q);
+            }
+            var r = this.x.toBigInteger().multiply(this.zinv);
+            this.curve.reduce(r);
+            return this.curve.fromBigInteger(r);
+        };
+
+        ec.PointFp.prototype.getY = function() {
+            if (this.zinv == null) {
+                this.zinv = this.z.modInverse(this.curve.q);
+            }
+            var r = this.y.toBigInteger().multiply(this.zinv);
+            this.curve.reduce(r);
+            return this.curve.fromBigInteger(r);
+        };
+
+        ec.PointFp.prototype.equals = function(other) {
+            if (other == this) return true;
+            if (this.isInfinity()) return other.isInfinity();
+            if (other.isInfinity()) return this.isInfinity();
+            var u, v;
+            // u = Y2 * Z1 - Y1 * Z2
+            u = other.y.toBigInteger().multiply(this.z).subtract(this.y.toBigInteger().multiply(other.z)).mod(
+                this.curve.q);
+            if (!u.equals(BigInteger.ZERO)) return false;
+            // v = X2 * Z1 - X1 * Z2
+            v = other.x.toBigInteger().multiply(this.z).subtract(this.x.toBigInteger().multiply(other.z)).mod(
+                this.curve.q);
+            return v.equals(BigInteger.ZERO);
+        };
+
+        ec.PointFp.prototype.isInfinity = function() {
+            if ((this.x == null) && (this.y == null)) return true;
+            return this.z.equals(BigInteger.ZERO) && !this.y.toBigInteger().equals(BigInteger.ZERO);
+        };
+
+        ec.PointFp.prototype.negate = function() {
+            return new ec.PointFp(this.curve, this.x, this.y.negate(), this.z);
+        };
+
+        ec.PointFp.prototype.add = function(b) {
+            if (this.isInfinity()) return b;
+            if (b.isInfinity()) return this;
+
+            // u = Y2 * Z1 - Y1 * Z2
+            var u = b.y.toBigInteger().multiply(this.z).subtract(this.y.toBigInteger().multiply(b.z)).mod(
+                this.curve.q);
+            // v = X2 * Z1 - X1 * Z2
+            var v = b.x.toBigInteger().multiply(this.z).subtract(this.x.toBigInteger().multiply(b.z)).mod(
+                this.curve.q);
+
+
+            if (BigInteger.ZERO.equals(v)) {
+                if (BigInteger.ZERO.equals(u)) {
+                    return this.twice(); // this == b, so double
                 }
-                this.zinv = null;
-                // compression flag
-                this.compressed = !!compressed;
-            };
+                return this.curve.getInfinity(); // this = -b, so infinity
+            }
 
-            ec.PointFp.prototype.getX = function () {
-                if (this.zinv == null) {
-                    this.zinv = this.z.modInverse(this.curve.q);
+            var THREE = new BigInteger("3");
+            var x1 = this.x.toBigInteger();
+            var y1 = this.y.toBigInteger();
+            var x2 = b.x.toBigInteger();
+            var y2 = b.y.toBigInteger();
+
+            var v2 = v.square();
+            var v3 = v2.multiply(v);
+            var x1v2 = x1.multiply(v2);
+            var zu2 = u.square().multiply(this.z);
+
+            // x3 = v * (z2 * (z1 * u^2 - 2 * x1 * v^2) - v^3)
+            var x3 = zu2.subtract(x1v2.shiftLeft(1)).multiply(b.z).subtract(v3).multiply(v).mod(this.curve.q);
+            // y3 = z2 * (3 * x1 * u * v^2 - y1 * v^3 - z1 * u^3) + u * v^3
+            var y3 = x1v2.multiply(THREE).multiply(u).subtract(y1.multiply(v3)).subtract(zu2.multiply(u)).multiply(
+                b.z).add(u.multiply(v3)).mod(this.curve.q);
+            // z3 = v^3 * z1 * z2
+            var z3 = v3.multiply(this.z).multiply(b.z).mod(this.curve.q);
+
+            return new ec.PointFp(this.curve, this.curve.fromBigInteger(x3), this.curve.fromBigInteger(y3),
+                z3);
+        };
+
+        ec.PointFp.prototype.twice = function() {
+            if (this.isInfinity()) return this;
+            if (this.y.toBigInteger().signum() == 0) return this.curve.getInfinity();
+
+            // TODO: optimized handling of constants
+            var THREE = new BigInteger("3");
+            var x1 = this.x.toBigInteger();
+            var y1 = this.y.toBigInteger();
+
+            var y1z1 = y1.multiply(this.z);
+            var y1sqz1 = y1z1.multiply(y1).mod(this.curve.q);
+            var a = this.curve.a.toBigInteger();
+
+            // w = 3 * x1^2 + a * z1^2
+            var w = x1.square().multiply(THREE);
+            if (!BigInteger.ZERO.equals(a)) {
+                w = w.add(this.z.square().multiply(a));
+            }
+            w = w.mod(this.curve.q);
+            //this.curve.reduce(w);
+            // x3 = 2 * y1 * z1 * (w^2 - 8 * x1 * y1^2 * z1)
+            var x3 = w.square().subtract(x1.shiftLeft(3).multiply(y1sqz1)).shiftLeft(1).multiply(y1z1).mod(
+                this.curve.q);
+            // y3 = 4 * y1^2 * z1 * (3 * w * x1 - 2 * y1^2 * z1) - w^3
+            var y3 = w.multiply(THREE).multiply(x1).subtract(y1sqz1.shiftLeft(1)).shiftLeft(2).multiply(
+                y1sqz1).subtract(w.square().multiply(w)).mod(this.curve.q);
+            // z3 = 8 * (y1 * z1)^3
+            var z3 = y1z1.square().multiply(y1z1).shiftLeft(3).mod(this.curve.q);
+
+            return new ec.PointFp(this.curve, this.curve.fromBigInteger(x3), this.curve.fromBigInteger(y3),
+                z3);
+        };
+
+        // Simple NAF (Non-Adjacent Form) multiplication algorithm
+        // TODO: modularize the multiplication algorithm
+        ec.PointFp.prototype.multiply = function(k) {
+            if (this.isInfinity()) return this;
+            if (k.signum() == 0) return this.curve.getInfinity();
+
+            var e = k;
+            var h = e.multiply(new BigInteger("3"));
+
+            var neg = this.negate();
+            var R = this;
+
+            var i;
+            for (i = h.bitLength() - 2; i > 0; --i) {
+                R = R.twice();
+
+                var hBit = h.testBit(i);
+                var eBit = e.testBit(i);
+
+                if (hBit != eBit) {
+                    R = R.add(hBit ? this : neg);
                 }
-                var r = this.x.toBigInteger().multiply(this.zinv);
-                this.curve.reduce(r);
-                return this.curve.fromBigInteger(r);
-            };
+            }
 
-            ec.PointFp.prototype.getY = function () {
-                if (this.zinv == null) {
-                    this.zinv = this.z.modInverse(this.curve.q);
-                }
-                var r = this.y.toBigInteger().multiply(this.zinv);
-                this.curve.reduce(r);
-                return this.curve.fromBigInteger(r);
-            };
+            return R;
+        };
 
-            ec.PointFp.prototype.equals = function (other) {
-                if (other == this) return true;
-                if (this.isInfinity()) return other.isInfinity();
-                if (other.isInfinity()) return this.isInfinity();
-                var u, v;
-                // u = Y2 * Z1 - Y1 * Z2
-                u = other.y.toBigInteger().multiply(this.z).subtract(this.y.toBigInteger().multiply(other.z)).mod(
-                    this.curve.q);
-                if (!u.equals(BigInteger.ZERO)) return false;
-                // v = X2 * Z1 - X1 * Z2
-                v = other.x.toBigInteger().multiply(this.z).subtract(this.x.toBigInteger().multiply(other.z)).mod(
-                    this.curve.q);
-                return v.equals(BigInteger.ZERO);
-            };
+        // Compute this*j + x*k (simultaneous multiplication)
+        ec.PointFp.prototype.multiplyTwo = function(j, x, k) {
+            var i;
+            if (j.bitLength() > k.bitLength())
+                i = j.bitLength() - 1;
+            else
+                i = k.bitLength() - 1;
 
-            ec.PointFp.prototype.isInfinity = function () {
-                if ((this.x == null) && (this.y == null)) return true;
-                return this.z.equals(BigInteger.ZERO) && !this.y.toBigInteger().equals(BigInteger.ZERO);
-            };
-
-            ec.PointFp.prototype.negate = function () {
-                return new ec.PointFp(this.curve, this.x, this.y.negate(), this.z);
-            };
-
-            ec.PointFp.prototype.add = function (b) {
-                if (this.isInfinity()) return b;
-                if (b.isInfinity()) return this;
-
-                // u = Y2 * Z1 - Y1 * Z2
-                var u = b.y.toBigInteger().multiply(this.z).subtract(this.y.toBigInteger().multiply(b.z)).mod(
-                    this.curve.q);
-                // v = X2 * Z1 - X1 * Z2
-                var v = b.x.toBigInteger().multiply(this.z).subtract(this.x.toBigInteger().multiply(b.z)).mod(
-                    this.curve.q);
-
-
-                if (BigInteger.ZERO.equals(v)) {
-                    if (BigInteger.ZERO.equals(u)) {
-                        return this.twice(); // this == b, so double
-                    }
-                    return this.curve.getInfinity(); // this = -b, so infinity
-                }
-
-                var THREE = new BigInteger("3");
-                var x1 = this.x.toBigInteger();
-                var y1 = this.y.toBigInteger();
-                var x2 = b.x.toBigInteger();
-                var y2 = b.y.toBigInteger();
-
-                var v2 = v.square();
-                var v3 = v2.multiply(v);
-                var x1v2 = x1.multiply(v2);
-                var zu2 = u.square().multiply(this.z);
-
-                // x3 = v * (z2 * (z1 * u^2 - 2 * x1 * v^2) - v^3)
-                var x3 = zu2.subtract(x1v2.shiftLeft(1)).multiply(b.z).subtract(v3).multiply(v).mod(this.curve.q);
-                // y3 = z2 * (3 * x1 * u * v^2 - y1 * v^3 - z1 * u^3) + u * v^3
-                var y3 = x1v2.multiply(THREE).multiply(u).subtract(y1.multiply(v3)).subtract(zu2.multiply(u)).multiply(
-                    b.z).add(u.multiply(v3)).mod(this.curve.q);
-                // z3 = v^3 * z1 * z2
-                var z3 = v3.multiply(this.z).multiply(b.z).mod(this.curve.q);
-
-                return new ec.PointFp(this.curve, this.curve.fromBigInteger(x3), this.curve.fromBigInteger(y3),
-                    z3);
-            };
-
-            ec.PointFp.prototype.twice = function () {
-                if (this.isInfinity()) return this;
-                if (this.y.toBigInteger().signum() == 0) return this.curve.getInfinity();
-
-                // TODO: optimized handling of constants
-                var THREE = new BigInteger("3");
-                var x1 = this.x.toBigInteger();
-                var y1 = this.y.toBigInteger();
-
-                var y1z1 = y1.multiply(this.z);
-                var y1sqz1 = y1z1.multiply(y1).mod(this.curve.q);
-                var a = this.curve.a.toBigInteger();
-
-                // w = 3 * x1^2 + a * z1^2
-                var w = x1.square().multiply(THREE);
-                if (!BigInteger.ZERO.equals(a)) {
-                    w = w.add(this.z.square().multiply(a));
-                }
-                w = w.mod(this.curve.q);
-                //this.curve.reduce(w);
-                // x3 = 2 * y1 * z1 * (w^2 - 8 * x1 * y1^2 * z1)
-                var x3 = w.square().subtract(x1.shiftLeft(3).multiply(y1sqz1)).shiftLeft(1).multiply(y1z1).mod(
-                    this.curve.q);
-                // y3 = 4 * y1^2 * z1 * (3 * w * x1 - 2 * y1^2 * z1) - w^3
-                var y3 = w.multiply(THREE).multiply(x1).subtract(y1sqz1.shiftLeft(1)).shiftLeft(2).multiply(
-                    y1sqz1).subtract(w.square().multiply(w)).mod(this.curve.q);
-                // z3 = 8 * (y1 * z1)^3
-                var z3 = y1z1.square().multiply(y1z1).shiftLeft(3).mod(this.curve.q);
-
-                return new ec.PointFp(this.curve, this.curve.fromBigInteger(x3), this.curve.fromBigInteger(y3),
-                    z3);
-            };
-
-            // Simple NAF (Non-Adjacent Form) multiplication algorithm
-            // TODO: modularize the multiplication algorithm
-            ec.PointFp.prototype.multiply = function (k) {
-                if (this.isInfinity()) return this;
-                if (k.signum() == 0) return this.curve.getInfinity();
-
-                var e = k;
-                var h = e.multiply(new BigInteger("3"));
-
-                var neg = this.negate();
-                var R = this;
-
-                var i;
-                for (i = h.bitLength() - 2; i > 0; --i) {
-                    R = R.twice();
-
-                    var hBit = h.testBit(i);
-                    var eBit = e.testBit(i);
-
-                    if (hBit != eBit) {
-                        R = R.add(hBit ? this : neg);
-                    }
-                }
-
-                return R;
-            };
-
-            // Compute this*j + x*k (simultaneous multiplication)
-            ec.PointFp.prototype.multiplyTwo = function (j, x, k) {
-                var i;
-                if (j.bitLength() > k.bitLength())
-                    i = j.bitLength() - 1;
-                else
-                    i = k.bitLength() - 1;
-
-                var R = this.curve.getInfinity();
-                var both = this.add(x);
-                while (i >= 0) {
-                    R = R.twice();
-                    if (j.testBit(i)) {
-                        if (k.testBit(i)) {
-                            R = R.add(both);
-                        } else {
-                            R = R.add(this);
-                        }
+            var R = this.curve.getInfinity();
+            var both = this.add(x);
+            while (i >= 0) {
+                R = R.twice();
+                if (j.testBit(i)) {
+                    if (k.testBit(i)) {
+                        R = R.add(both);
                     } else {
-                        if (k.testBit(i)) {
-                            R = R.add(x);
-                        }
-                    }
-                    --i;
-                }
-
-                return R;
-            };
-
-            // patched by bitaddress.org and Casascius for use with Bitcoin.ECKey
-            // patched by coretechs to support compressed public keys
-            ec.PointFp.prototype.getEncoded = function (compressed) {
-                var x = this.getX().toBigInteger();
-                var y = this.getY().toBigInteger();
-                var len = 32; // integerToBytes will zero pad if integer is less than 32 bytes. 32 bytes length is required by the Bitcoin protocol.
-                var enc = ec.integerToBytes(x, len);
-
-                // when compressed prepend byte depending if y point is even or odd
-                if (compressed) {
-                    if (y.isEven()) {
-                        enc.unshift(0x02);
-                    } else {
-                        enc.unshift(0x03);
+                        R = R.add(this);
                     }
                 } else {
-                    enc.unshift(0x04);
-                    enc = enc.concat(ec.integerToBytes(y, len)); // uncompressed public key appends the bytes of the y point
-                }
-                return enc;
-            };
-
-            ec.PointFp.decodeFrom = function (curve, enc) {
-                var type = enc[0];
-                var dataLen = enc.length - 1;
-
-                // Extract x and y as byte arrays
-                var xBa = enc.slice(1, 1 + dataLen / 2);
-                var yBa = enc.slice(1 + dataLen / 2, 1 + dataLen);
-
-                // Prepend zero byte to prevent interpretation as negative integer
-                xBa.unshift(0);
-                yBa.unshift(0);
-
-                // Convert to BigIntegers
-                var x = new BigInteger(xBa);
-                var y = new BigInteger(yBa);
-
-                // Return point
-                return new ec.PointFp(curve, curve.fromBigInteger(x), curve.fromBigInteger(y));
-            };
-
-            ec.PointFp.prototype.add2D = function (b) {
-                if (this.isInfinity()) return b;
-                if (b.isInfinity()) return this;
-
-                if (this.x.equals(b.x)) {
-                    if (this.y.equals(b.y)) {
-                        // this = b, i.e. this must be doubled
-                        return this.twice();
-                    }
-                    // this = -b, i.e. the result is the point at infinity
-                    return this.curve.getInfinity();
-                }
-
-                var x_x = b.x.subtract(this.x);
-                var y_y = b.y.subtract(this.y);
-                var gamma = y_y.divide(x_x);
-
-                var x3 = gamma.square().subtract(this.x).subtract(b.x);
-                var y3 = gamma.multiply(this.x.subtract(x3)).subtract(this.y);
-
-                return new ec.PointFp(this.curve, x3, y3);
-            };
-
-            ec.PointFp.prototype.twice2D = function () {
-                if (this.isInfinity()) return this;
-                if (this.y.toBigInteger().signum() == 0) {
-                    // if y1 == 0, then (x1, y1) == (x1, -y1)
-                    // and hence this = -this and thus 2(x1, y1) == infinity
-                    return this.curve.getInfinity();
-                }
-
-                var TWO = this.curve.fromBigInteger(BigInteger.valueOf(2));
-                var THREE = this.curve.fromBigInteger(BigInteger.valueOf(3));
-                var gamma = this.x.square().multiply(THREE).add(this.curve.a).divide(this.y.multiply(TWO));
-
-                var x3 = gamma.square().subtract(this.x.multiply(TWO));
-                var y3 = gamma.multiply(this.x.subtract(x3)).subtract(this.y);
-
-                return new ec.PointFp(this.curve, x3, y3);
-            };
-
-            ec.PointFp.prototype.multiply2D = function (k) {
-                if (this.isInfinity()) return this;
-                if (k.signum() == 0) return this.curve.getInfinity();
-
-                var e = k;
-                var h = e.multiply(new BigInteger("3"));
-
-                var neg = this.negate();
-                var R = this;
-
-                var i;
-                for (i = h.bitLength() - 2; i > 0; --i) {
-                    R = R.twice();
-
-                    var hBit = h.testBit(i);
-                    var eBit = e.testBit(i);
-
-                    if (hBit != eBit) {
-                        R = R.add2D(hBit ? this : neg);
+                    if (k.testBit(i)) {
+                        R = R.add(x);
                     }
                 }
-
-                return R;
-            };
-
-            ec.PointFp.prototype.isOnCurve = function () {
-                var x = this.getX().toBigInteger();
-                var y = this.getY().toBigInteger();
-                var a = this.curve.getA().toBigInteger();
-                var b = this.curve.getB().toBigInteger();
-                var n = this.curve.getQ();
-                var lhs = y.multiply(y).mod(n);
-                var rhs = x.multiply(x).multiply(x).add(a.multiply(x)).add(b).mod(n);
-                return lhs.equals(rhs);
-            };
-
-            ec.PointFp.prototype.toString = function () {
-                return '(' + this.getX().toBigInteger().toString() + ',' + this.getY().toBigInteger().toString() +
-                    ')';
-            };
-
-            /**
-             * Validate an elliptic curve point.
-             *
-             * See SEC 1, section 3.2.2.1: Elliptic Curve Public Key Validation Primitive
-             */
-            ec.PointFp.prototype.validate = function () {
-                var n = this.curve.getQ();
-
-                // Check Q != O
-                if (this.isInfinity()) {
-                    throw new Error("Point is at infinity.");
-                }
-
-                // Check coordinate bounds
-                var x = this.getX().toBigInteger();
-                var y = this.getY().toBigInteger();
-                if (x.compareTo(BigInteger.ONE) < 0 || x.compareTo(n.subtract(BigInteger.ONE)) > 0) {
-                    throw new Error('x coordinate out of bounds');
-                }
-                if (y.compareTo(BigInteger.ONE) < 0 || y.compareTo(n.subtract(BigInteger.ONE)) > 0) {
-                    throw new Error('y coordinate out of bounds');
-                }
-
-                // Check y^2 = x^3 + ax + b (mod n)
-                if (!this.isOnCurve()) {
-                    throw new Error("Point is not on the curve.");
-                }
-
-                // Check nQ = 0 (Q is a scalar multiple of G)
-                if (this.multiply(n).isInfinity()) {
-                    // TODO: This check doesn't work - fix.
-                    throw new Error("Point is not a scalar multiple of G.");
-                }
-
-                return true;
-            };
-
-
-
-
-            // ----------------
-            // ECCurveFp constructor
-            ec.CurveFp = function (q, a, b) {
-                this.q = q;
-                this.a = this.fromBigInteger(a);
-                this.b = this.fromBigInteger(b);
-                this.infinity = new ec.PointFp(this, null, null);
-                this.reducer = new Barrett(this.q);
+                --i;
             }
 
-            ec.CurveFp.prototype.getQ = function () {
-                return this.q;
-            };
+            return R;
+        };
 
-            ec.CurveFp.prototype.getA = function () {
-                return this.a;
-            };
+        // patched by bitaddress.org and Casascius for use with Bitcoin.ECKey
+        // patched by coretechs to support compressed public keys
+        ec.PointFp.prototype.getEncoded = function(compressed) {
+            var x = this.getX().toBigInteger();
+            var y = this.getY().toBigInteger();
+            var len = 32; // integerToBytes will zero pad if integer is less than 32 bytes. 32 bytes length is required by the Bitcoin protocol.
+            var enc = ec.integerToBytes(x, len);
 
-            ec.CurveFp.prototype.getB = function () {
-                return this.b;
-            };
-
-            ec.CurveFp.prototype.equals = function (other) {
-                if (other == this) return true;
-                return (this.q.equals(other.q) && this.a.equals(other.a) && this.b.equals(other.b));
-            };
-
-            ec.CurveFp.prototype.getInfinity = function () {
-                return this.infinity;
-            };
-
-            ec.CurveFp.prototype.fromBigInteger = function (x) {
-                return new ec.FieldElementFp(this.q, x);
-            };
-
-            ec.CurveFp.prototype.reduce = function (x) {
-                this.reducer.reduce(x);
-            };
-
-            // for now, work with hex strings because they're easier in JS
-            // compressed support added by bitaddress.org
-            ec.CurveFp.prototype.decodePointHex = function (s) {
-                var firstByte = parseInt(s.substr(0, 2), 16);
-                switch (firstByte) { // first byte
-                    case 0:
-                        return this.infinity;
-                    case 2: // compressed
-                    case 3: // compressed
-                        var yTilde = firstByte & 1;
-                        var xHex = s.substr(2, s.length - 2);
-                        var X1 = new BigInteger(xHex, 16);
-                        return this.decompressPoint(yTilde, X1);
-                    case 4: // uncompressed
-                    case 6: // hybrid
-                    case 7: // hybrid
-                        var len = (s.length - 2) / 2;
-                        var xHex = s.substr(2, len);
-                        var yHex = s.substr(len + 2, len);
-
-                        return new ec.PointFp(this,
-                            this.fromBigInteger(new BigInteger(xHex, 16)),
-                            this.fromBigInteger(new BigInteger(yHex, 16)));
-
-                    default: // unsupported
-                        return null;
+            // when compressed prepend byte depending if y point is even or odd
+            if (compressed) {
+                if (y.isEven()) {
+                    enc.unshift(0x02);
+                } else {
+                    enc.unshift(0x03);
                 }
-            };
-
-            ec.CurveFp.prototype.encodePointHex = function (p) {
-                if (p.isInfinity()) return "00";
-                var xHex = p.getX().toBigInteger().toString(16);
-                var yHex = p.getY().toBigInteger().toString(16);
-                var oLen = this.getQ().toString(16).length;
-                if ((oLen % 2) != 0) oLen++;
-                while (xHex.length < oLen) {
-                    xHex = "0" + xHex;
-                }
-                while (yHex.length < oLen) {
-                    yHex = "0" + yHex;
-                }
-                return "04" + xHex + yHex;
-            };
-
-            /*
-             * Copyright (c) 2000 - 2011 The Legion Of The Bouncy Castle (http://www.bouncycastle.org)
-             * Ported to JavaScript by bitaddress.org
-             *
-             * Number yTilde
-             * BigInteger X1
-             */
-            ec.CurveFp.prototype.decompressPoint = function (yTilde, X1) {
-                var x = this.fromBigInteger(X1);
-                var alpha = x.multiply(x.square().add(this.getA())).add(this.getB());
-                var beta = alpha.sqrt();
-                // if we can't find a sqrt we haven't got a point on the curve - run!
-                if (beta == null) throw new Error("Invalid point compression");
-                var betaValue = beta.toBigInteger();
-                var bit0 = betaValue.testBit(0) ? 1 : 0;
-                if (bit0 != yTilde) {
-                    // Use the other root
-                    beta = this.fromBigInteger(this.getQ().subtract(betaValue));
-                }
-                return new ec.PointFp(this, x, beta, null, true);
-            };
-
-
-            ec.fromHex = function (s) {
-                return new BigInteger(s, 16);
-            };
-
-            ec.integerToBytes = function (i, len) {
-                var bytes = i.toByteArrayUnsigned();
-                if (len < bytes.length) {
-                    bytes = bytes.slice(bytes.length - len);
-                } else
-                    while (len > bytes.length) {
-                        bytes.unshift(0);
-                    }
-                return bytes;
-            };
-
-
-            // Named EC curves
-            // ----------------
-            // X9ECParameters constructor
-            ec.X9Parameters = function (curve, g, n, h) {
-                this.curve = curve;
-                this.g = g;
-                this.n = n;
-                this.h = h;
+            } else {
+                enc.unshift(0x04);
+                enc = enc.concat(ec.integerToBytes(y, len)); // uncompressed public key appends the bytes of the y point
             }
-            ec.X9Parameters.prototype.getCurve = function () {
-                return this.curve;
-            };
-            ec.X9Parameters.prototype.getG = function () {
-                return this.g;
-            };
-            ec.X9Parameters.prototype.getN = function () {
-                return this.n;
-            };
-            ec.X9Parameters.prototype.getH = function () {
-                return this.h;
-            };
+            return enc;
+        };
 
-            // secp256k1 is the Curve used by Bitcoin
-            ec.secNamedCurves = {
-                // used by Bitcoin
-                "secp256k1": function () {
-                    // p = 2^256 - 2^32 - 2^9 - 2^8 - 2^7 - 2^6 - 2^4 - 1
-                    var p = ec.fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F");
-                    var a = BigInteger.ZERO;
-                    var b = ec.fromHex("7");
-                    var n = ec.fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141");
-                    var h = BigInteger.ONE;
-                    var curve = new ec.CurveFp(p, a, b);
-                    var G = curve.decodePointHex("04" +
-                        "79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798" +
-                        "483ADA7726A3C4655DA4FBFC0E1108A8FD17B448A68554199C47D08FFB10D4B8");
-                    return new ec.X9Parameters(curve, G, n, h);
+        ec.PointFp.decodeFrom = function(curve, enc) {
+            var type = enc[0];
+            var dataLen = enc.length - 1;
+
+            // Extract x and y as byte arrays
+            var xBa = enc.slice(1, 1 + dataLen / 2);
+            var yBa = enc.slice(1 + dataLen / 2, 1 + dataLen);
+
+            // Prepend zero byte to prevent interpretation as negative integer
+            xBa.unshift(0);
+            yBa.unshift(0);
+
+            // Convert to BigIntegers
+            var x = new BigInteger(xBa);
+            var y = new BigInteger(yBa);
+
+            // Return point
+            return new ec.PointFp(curve, curve.fromBigInteger(x), curve.fromBigInteger(y));
+        };
+
+        ec.PointFp.prototype.add2D = function(b) {
+            if (this.isInfinity()) return b;
+            if (b.isInfinity()) return this;
+
+            if (this.x.equals(b.x)) {
+                if (this.y.equals(b.y)) {
+                    // this = b, i.e. this must be doubled
+                    return this.twice();
                 }
-            };
-
-            // secp256k1 called by Bitcoin's ECKEY
-            ec.getSECCurveByName = function (name) {
-                if (ec.secNamedCurves[name] == undefined) return null;
-                return ec.secNamedCurves[name]();
+                // this = -b, i.e. the result is the point at infinity
+                return this.curve.getInfinity();
             }
-        })();
 
+            var x_x = b.x.subtract(this.x);
+            var y_y = b.y.subtract(this.y);
+            var gamma = y_y.divide(x_x);
 
-        //bitTrx.js
-        (function () {
+            var x3 = gamma.square().subtract(this.x).subtract(b.x);
+            var y3 = gamma.multiply(this.x.subtract(x3)).subtract(this.y);
 
-            var bitjs = window.bitjs = function () {};
+            return new ec.PointFp(this.curve, x3, y3);
+        };
 
-            /* public vars */
-            bitjs.pub = 0x23; // flochange - changed the prefix to FLO Mainnet PublicKey Prefix 0x23
-            bitjs.priv = 0xa3; //flochange - changed the prefix to FLO Mainnet Private key prefix 0xa3
-            bitjs.compressed = false;
+        ec.PointFp.prototype.twice2D = function() {
+            if (this.isInfinity()) return this;
+            if (this.y.toBigInteger().signum() == 0) {
+                // if y1 == 0, then (x1, y1) == (x1, -y1)
+                // and hence this = -this and thus 2(x1, y1) == infinity
+                return this.curve.getInfinity();
+            }
 
-            /* provide a privkey and return an WIF  */
-            bitjs.privkey2wif = function (h) {
-                var r = Crypto.util.hexToBytes(h);
+            var TWO = this.curve.fromBigInteger(BigInteger.valueOf(2));
+            var THREE = this.curve.fromBigInteger(BigInteger.valueOf(3));
+            var gamma = this.x.square().multiply(THREE).add(this.curve.a).divide(this.y.multiply(TWO));
 
-                if (bitjs.compressed == true) {
-                    r.push(0x01);
+            var x3 = gamma.square().subtract(this.x.multiply(TWO));
+            var y3 = gamma.multiply(this.x.subtract(x3)).subtract(this.y);
+
+            return new ec.PointFp(this.curve, x3, y3);
+        };
+
+        ec.PointFp.prototype.multiply2D = function(k) {
+            if (this.isInfinity()) return this;
+            if (k.signum() == 0) return this.curve.getInfinity();
+
+            var e = k;
+            var h = e.multiply(new BigInteger("3"));
+
+            var neg = this.negate();
+            var R = this;
+
+            var i;
+            for (i = h.bitLength() - 2; i > 0; --i) {
+                R = R.twice();
+
+                var hBit = h.testBit(i);
+                var eBit = e.testBit(i);
+
+                if (hBit != eBit) {
+                    R = R.add2D(hBit ? this : neg);
                 }
+            }
 
-                r.unshift(bitjs.priv);
-                var hash = Crypto.SHA256(Crypto.SHA256(r, {
+            return R;
+        };
+
+        ec.PointFp.prototype.isOnCurve = function() {
+            var x = this.getX().toBigInteger();
+            var y = this.getY().toBigInteger();
+            var a = this.curve.getA().toBigInteger();
+            var b = this.curve.getB().toBigInteger();
+            var n = this.curve.getQ();
+            var lhs = y.multiply(y).mod(n);
+            var rhs = x.multiply(x).multiply(x).add(a.multiply(x)).add(b).mod(n);
+            return lhs.equals(rhs);
+        };
+
+        ec.PointFp.prototype.toString = function() {
+            return '(' + this.getX().toBigInteger().toString() + ',' + this.getY().toBigInteger().toString() +
+                ')';
+        };
+
+        /**
+         * Validate an elliptic curve point.
+         *
+         * See SEC 1, section 3.2.2.1: Elliptic Curve Public Key Validation Primitive
+         */
+        ec.PointFp.prototype.validate = function() {
+            var n = this.curve.getQ();
+
+            // Check Q != O
+            if (this.isInfinity()) {
+                throw new Error("Point is at infinity.");
+            }
+
+            // Check coordinate bounds
+            var x = this.getX().toBigInteger();
+            var y = this.getY().toBigInteger();
+            if (x.compareTo(BigInteger.ONE) < 0 || x.compareTo(n.subtract(BigInteger.ONE)) > 0) {
+                throw new Error('x coordinate out of bounds');
+            }
+            if (y.compareTo(BigInteger.ONE) < 0 || y.compareTo(n.subtract(BigInteger.ONE)) > 0) {
+                throw new Error('y coordinate out of bounds');
+            }
+
+            // Check y^2 = x^3 + ax + b (mod n)
+            if (!this.isOnCurve()) {
+                throw new Error("Point is not on the curve.");
+            }
+
+            // Check nQ = 0 (Q is a scalar multiple of G)
+            if (this.multiply(n).isInfinity()) {
+                // TODO: This check doesn't work - fix.
+                throw new Error("Point is not a scalar multiple of G.");
+            }
+
+            return true;
+        };
+
+
+
+
+        // ----------------
+        // ECCurveFp constructor
+        ec.CurveFp = function(q, a, b) {
+            this.q = q;
+            this.a = this.fromBigInteger(a);
+            this.b = this.fromBigInteger(b);
+            this.infinity = new ec.PointFp(this, null, null);
+            this.reducer = new Barrett(this.q);
+        }
+
+        ec.CurveFp.prototype.getQ = function() {
+            return this.q;
+        };
+
+        ec.CurveFp.prototype.getA = function() {
+            return this.a;
+        };
+
+        ec.CurveFp.prototype.getB = function() {
+            return this.b;
+        };
+
+        ec.CurveFp.prototype.equals = function(other) {
+            if (other == this) return true;
+            return (this.q.equals(other.q) && this.a.equals(other.a) && this.b.equals(other.b));
+        };
+
+        ec.CurveFp.prototype.getInfinity = function() {
+            return this.infinity;
+        };
+
+        ec.CurveFp.prototype.fromBigInteger = function(x) {
+            return new ec.FieldElementFp(this.q, x);
+        };
+
+        ec.CurveFp.prototype.reduce = function(x) {
+            this.reducer.reduce(x);
+        };
+
+        // for now, work with hex strings because they're easier in JS
+        // compressed support added by bitaddress.org
+        ec.CurveFp.prototype.decodePointHex = function(s) {
+            var firstByte = parseInt(s.substr(0, 2), 16);
+            switch (firstByte) { // first byte
+                case 0:
+                    return this.infinity;
+                case 2: // compressed
+                case 3: // compressed
+                    var yTilde = firstByte & 1;
+                    var xHex = s.substr(2, s.length - 2);
+                    var X1 = new BigInteger(xHex, 16);
+                    return this.decompressPoint(yTilde, X1);
+                case 4: // uncompressed
+                case 6: // hybrid
+                case 7: // hybrid
+                    var len = (s.length - 2) / 2;
+                    var xHex = s.substr(2, len);
+                    var yHex = s.substr(len + 2, len);
+
+                    return new ec.PointFp(this,
+                        this.fromBigInteger(new BigInteger(xHex, 16)),
+                        this.fromBigInteger(new BigInteger(yHex, 16)));
+
+                default: // unsupported
+                    return null;
+            }
+        };
+
+        ec.CurveFp.prototype.encodePointHex = function(p) {
+            if (p.isInfinity()) return "00";
+            var xHex = p.getX().toBigInteger().toString(16);
+            var yHex = p.getY().toBigInteger().toString(16);
+            var oLen = this.getQ().toString(16).length;
+            if ((oLen % 2) != 0) oLen++;
+            while (xHex.length < oLen) {
+                xHex = "0" + xHex;
+            }
+            while (yHex.length < oLen) {
+                yHex = "0" + yHex;
+            }
+            return "04" + xHex + yHex;
+        };
+
+        /*
+         * Copyright (c) 2000 - 2011 The Legion Of The Bouncy Castle (http://www.bouncycastle.org)
+         * Ported to JavaScript by bitaddress.org
+         *
+         * Number yTilde
+         * BigInteger X1
+         */
+        ec.CurveFp.prototype.decompressPoint = function(yTilde, X1) {
+            var x = this.fromBigInteger(X1);
+            var alpha = x.multiply(x.square().add(this.getA())).add(this.getB());
+            var beta = alpha.sqrt();
+            // if we can't find a sqrt we haven't got a point on the curve - run!
+            if (beta == null) throw new Error("Invalid point compression");
+            var betaValue = beta.toBigInteger();
+            var bit0 = betaValue.testBit(0) ? 1 : 0;
+            if (bit0 != yTilde) {
+                // Use the other root
+                beta = this.fromBigInteger(this.getQ().subtract(betaValue));
+            }
+            return new ec.PointFp(this, x, beta, null, true);
+        };
+
+
+        ec.fromHex = function(s) {
+            return new BigInteger(s, 16);
+        };
+
+        ec.integerToBytes = function(i, len) {
+            var bytes = i.toByteArrayUnsigned();
+            if (len < bytes.length) {
+                bytes = bytes.slice(bytes.length - len);
+            } else
+                while (len > bytes.length) {
+                    bytes.unshift(0);
+                }
+            return bytes;
+        };
+
+
+        // Named EC curves
+        // ----------------
+        // X9ECParameters constructor
+        ec.X9Parameters = function(curve, g, n, h) {
+            this.curve = curve;
+            this.g = g;
+            this.n = n;
+            this.h = h;
+        }
+        ec.X9Parameters.prototype.getCurve = function() {
+            return this.curve;
+        };
+        ec.X9Parameters.prototype.getG = function() {
+            return this.g;
+        };
+        ec.X9Parameters.prototype.getN = function() {
+            return this.n;
+        };
+        ec.X9Parameters.prototype.getH = function() {
+            return this.h;
+        };
+
+        // secp256k1 is the Curve used by Bitcoin
+        ec.secNamedCurves = {
+            // used by Bitcoin
+            "secp256k1": function() {
+                // p = 2^256 - 2^32 - 2^9 - 2^8 - 2^7 - 2^6 - 2^4 - 1
+                var p = ec.fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F");
+                var a = BigInteger.ZERO;
+                var b = ec.fromHex("7");
+                var n = ec.fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141");
+                var h = BigInteger.ONE;
+                var curve = new ec.CurveFp(p, a, b);
+                var G = curve.decodePointHex("04" +
+                    "79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798" +
+                    "483ADA7726A3C4655DA4FBFC0E1108A8FD17B448A68554199C47D08FFB10D4B8");
+                return new ec.X9Parameters(curve, G, n, h);
+            }
+        };
+
+        // secp256k1 called by Bitcoin's ECKEY
+        ec.getSECCurveByName = function(name) {
+            if (ec.secNamedCurves[name] == undefined) return null;
+            return ec.secNamedCurves[name]();
+        }
+    })(typeof global !== "undefined" ? global : window);
+
+    //bitTrx.js
+    (function(GLOBAL) {
+
+        var bitjs = GLOBAL.bitjs = function() {};
+
+        function ascii_to_hexa(str) {
+            var arr1 = [];
+            for (var n = 0, l = str.length; n < l; n++) {
+                var hex = Number(str.charCodeAt(n)).toString(16);
+                arr1.push(hex);
+            }
+            return arr1.join('');
+        }
+
+        /* public vars */
+        bitjs.pub = 0x23; // flochange - changed the prefix to FLO Mainnet PublicKey Prefix 0x23
+        bitjs.priv = 0xa3; //flochange - changed the prefix to FLO Mainnet Private key prefix 0xa3
+        bitjs.compressed = false;
+
+        /* provide a privkey and return an WIF  */
+        bitjs.privkey2wif = function(h) {
+            var r = Crypto.util.hexToBytes(h);
+
+            if (bitjs.compressed == true) {
+                r.push(0x01);
+            }
+
+            r.unshift(bitjs.priv);
+            var hash = Crypto.SHA256(Crypto.SHA256(r, {
+                asBytes: true
+            }), {
+                asBytes: true
+            });
+            var checksum = hash.slice(0, 4);
+
+            return B58.encode(r.concat(checksum));
+        }
+
+        /* convert a wif key back to a private key */
+        bitjs.wif2privkey = function(wif) {
+            var compressed = false;
+            var decode = B58.decode(wif);
+            var key = decode.slice(0, decode.length - 4);
+            key = key.slice(1, key.length);
+            if (key.length >= 33 && key[key.length - 1] == 0x01) {
+                key = key.slice(0, key.length - 1);
+                compressed = true;
+            }
+            return {
+                'privkey': Crypto.util.bytesToHex(key),
+                'compressed': compressed
+            };
+        }
+
+        /* convert a wif to a pubkey */
+        bitjs.wif2pubkey = function(wif) {
+            var compressed = bitjs.compressed;
+            var r = bitjs.wif2privkey(wif);
+            bitjs.compressed = r['compressed'];
+            var pubkey = bitjs.newPubkey(r['privkey']);
+            bitjs.compressed = compressed;
+            return {
+                'pubkey': pubkey,
+                'compressed': r['compressed']
+            };
+        }
+
+        /* convert a wif to a address */
+        bitjs.wif2address = function(wif) {
+            var r = bitjs.wif2pubkey(wif);
+            return {
+                'address': bitjs.pubkey2address(r['pubkey']),
+                'compressed': r['compressed']
+            };
+        }
+
+        /* generate a public key from a private key */
+        bitjs.newPubkey = function(hash) {
+            var privateKeyBigInt = BigInteger.fromByteArrayUnsigned(Crypto.util.hexToBytes(hash));
+            var curve = EllipticCurve.getSECCurveByName("secp256k1");
+
+            var curvePt = curve.getG().multiply(privateKeyBigInt);
+            var x = curvePt.getX().toBigInteger();
+            var y = curvePt.getY().toBigInteger();
+
+            var publicKeyBytes = EllipticCurve.integerToBytes(x, 32);
+            publicKeyBytes = publicKeyBytes.concat(EllipticCurve.integerToBytes(y, 32));
+            publicKeyBytes.unshift(0x04);
+
+            if (bitjs.compressed == true) {
+                var publicKeyBytesCompressed = EllipticCurve.integerToBytes(x, 32)
+                if (y.isEven()) {
+                    publicKeyBytesCompressed.unshift(0x02)
+                } else {
+                    publicKeyBytesCompressed.unshift(0x03)
+                }
+                return Crypto.util.bytesToHex(publicKeyBytesCompressed);
+            } else {
+                return Crypto.util.bytesToHex(publicKeyBytes);
+            }
+        }
+
+        /* provide a public key and return address */
+        bitjs.pubkey2address = function(h, byte) {
+            var r = ripemd160(Crypto.SHA256(Crypto.util.hexToBytes(h), {
+                asBytes: true
+            }));
+            r.unshift(byte || bitjs.pub);
+            var hash = Crypto.SHA256(Crypto.SHA256(r, {
+                asBytes: true
+            }), {
+                asBytes: true
+            });
+            var checksum = hash.slice(0, 4);
+            return B58.encode(r.concat(checksum));
+        }
+
+        bitjs.transaction = function() {
+            var btrx = {};
+            btrx.version = 2; //flochange look at this version
+            btrx.inputs = [];
+            btrx.outputs = [];
+            btrx.locktime = 0;
+            btrx.floData = ""; //flochange .. look at this
+
+
+            btrx.addinput = function(txid, index, scriptPubKey, sequence) {
+                var o = {};
+                o.outpoint = {
+                    'hash': txid,
+                    'index': index
+                };
+                //o.script = []; Signature and Public Key should be added after singning
+                o.script = Crypto.util.hexToBytes(scriptPubKey); //push previous output pubkey script
+                o.sequence = sequence || ((btrx.locktime == 0) ? 4294967295 : 0);
+                return this.inputs.push(o);
+            }
+
+            btrx.addoutput = function(address, value) {
+                var o = {};
+                var buf = [];
+                var addrDecoded = btrx.addressDecode(address);
+                o.value = new BigInteger('' + Math.round((value * 1) * 1e8), 10);
+                buf.push(118); //OP_DUP
+                buf.push(169); //OP_HASH160
+                buf.push(addrDecoded.length);
+                buf = buf.concat(addrDecoded); // address in bytes
+                buf.push(136); //OP_EQUALVERIFY
+                buf.push(172); //  OP_CHECKSIG
+                o.script = buf;
+                return this.outputs.push(o);
+            }
+
+
+            btrx.addflodata = function(txcomments) { // flochange - this whole function needs to be done
+                this.floData = txcomments;
+                return this.floData; //flochange .. returning the txcomments -- check if the function return will assign
+            }
+
+
+            // Only standard addresses
+            btrx.addressDecode = function(address) {
+                var bytes = B58.decode(address);
+                var front = bytes.slice(0, bytes.length - 4);
+                var back = bytes.slice(bytes.length - 4);
+                var checksum = Crypto.SHA256(Crypto.SHA256(front, {
                     asBytes: true
                 }), {
                     asBytes: true
-                });
-                var checksum = hash.slice(0, 4);
-
-                return B58.encode(r.concat(checksum));
-            }
-
-            /* convert a wif key back to a private key */
-            bitjs.wif2privkey = function (wif) {
-                var compressed = false;
-                var decode = B58.decode(wif);
-                var key = decode.slice(0, decode.length - 4);
-                key = key.slice(1, key.length);
-                if (key.length >= 33 && key[key.length - 1] == 0x01) {
-                    key = key.slice(0, key.length - 1);
-                    compressed = true;
-                }
-                return {
-                    'privkey': Crypto.util.bytesToHex(key),
-                    'compressed': compressed
-                };
-            }
-
-            /* convert a wif to a pubkey */
-            bitjs.wif2pubkey = function (wif) {
-                var compressed = bitjs.compressed;
-                var r = bitjs.wif2privkey(wif);
-                bitjs.compressed = r['compressed'];
-                var pubkey = bitjs.newPubkey(r['privkey']);
-                bitjs.compressed = compressed;
-                return {
-                    'pubkey': pubkey,
-                    'compressed': r['compressed']
-                };
-            }
-
-            /* convert a wif to a address */
-            bitjs.wif2address = function (wif) {
-                var r = bitjs.wif2pubkey(wif);
-                return {
-                    'address': bitjs.pubkey2address(r['pubkey']),
-                    'compressed': r['compressed']
-                };
-            }
-
-            /* generate a public key from a private key */
-            bitjs.newPubkey = function (hash) {
-                var privateKeyBigInt = BigInteger.fromByteArrayUnsigned(Crypto.util.hexToBytes(hash));
-                var curve = EllipticCurve.getSECCurveByName("secp256k1");
-
-                var curvePt = curve.getG().multiply(privateKeyBigInt);
-                var x = curvePt.getX().toBigInteger();
-                var y = curvePt.getY().toBigInteger();
-
-                var publicKeyBytes = EllipticCurve.integerToBytes(x, 32);
-                publicKeyBytes = publicKeyBytes.concat(EllipticCurve.integerToBytes(y, 32));
-                publicKeyBytes.unshift(0x04);
-
-                if (bitjs.compressed == true) {
-                    var publicKeyBytesCompressed = EllipticCurve.integerToBytes(x, 32)
-                    if (y.isEven()) {
-                        publicKeyBytesCompressed.unshift(0x02)
-                    } else {
-                        publicKeyBytesCompressed.unshift(0x03)
-                    }
-                    return Crypto.util.bytesToHex(publicKeyBytesCompressed);
-                } else {
-                    return Crypto.util.bytesToHex(publicKeyBytes);
+                }).slice(0, 4);
+                if (checksum + "" == back + "") {
+                    return front.slice(1);
                 }
             }
 
-            /* provide a public key and return address */
-            bitjs.pubkey2address = function (h, byte) {
-                var r = ripemd160(Crypto.SHA256(Crypto.util.hexToBytes(h), {
-                    asBytes: true
-                }));
-                r.unshift(byte || bitjs.pub);
-                var hash = Crypto.SHA256(Crypto.SHA256(r, {
-                    asBytes: true
-                }), {
-                    asBytes: true
-                });
-                var checksum = hash.slice(0, 4);
-                return B58.encode(r.concat(checksum));
-            }
+            /* generate the transaction hash to sign from a transaction input */
+            btrx.transactionHash = function(index, sigHashType) {
 
-            bitjs.transaction = function () {
-                var btrx = {};
-                btrx.version = 2; //flochange look at this version
-                btrx.inputs = [];
-                btrx.outputs = [];
-                btrx.locktime = 0;
-                btrx.floData = ""; //flochange .. look at this
+                var clone = bitjs.clone(this);
+                var shType = sigHashType || 1;
 
-
-                btrx.addinput = function (txid, index, scriptPubKey, sequence) {
-                    var o = {};
-                    o.outpoint = {
-                        'hash': txid,
-                        'index': index
-                    };
-                    //o.script = []; Signature and Public Key should be added after singning
-                    o.script = Crypto.util.hexToBytes(scriptPubKey); //push previous output pubkey script
-                    o.sequence = sequence || ((btrx.locktime == 0) ? 4294967295 : 0);
-                    return this.inputs.push(o);
-                }
-
-                btrx.addoutput = function (address, value) {
-                    var o = {};
-                    var buf = [];
-                    var addrDecoded = btrx.addressDecode(address);
-                    o.value = new BigInteger('' + Math.round((value * 1) * 1e8), 10);
-                    buf.push(118); //OP_DUP
-                    buf.push(169); //OP_HASH160
-                    buf.push(addrDecoded.length);
-                    buf = buf.concat(addrDecoded); // address in bytes
-                    buf.push(136); //OP_EQUALVERIFY
-                    buf.push(172); //  OP_CHECKSIG
-                    o.script = buf;
-                    return this.outputs.push(o);
-                }
-
-
-                btrx.addflodata = function (txcomments) { // flochange - this whole function needs to be done
-                    this.floData = txcomments;
-                    return this.floData; //flochange .. returning the txcomments -- check if the function return will assign
-                }
-
-
-                // Only standard addresses
-                btrx.addressDecode = function (address) {
-                    var bytes = B58.decode(address);
-                    var front = bytes.slice(0, bytes.length - 4);
-                    var back = bytes.slice(bytes.length - 4);
-                    var checksum = Crypto.SHA256(Crypto.SHA256(front, {
-                        asBytes: true
-                    }), {
-                        asBytes: true
-                    }).slice(0, 4);
-                    if (checksum + "" == back + "") {
-                        return front.slice(1);
+                /* black out all other ins, except this one */
+                for (var i = 0; i < clone.inputs.length; i++) {
+                    if (index != i) {
+                        clone.inputs[i].script = [];
                     }
                 }
 
-                /* generate the transaction hash to sign from a transaction input */
-                btrx.transactionHash = function (index, sigHashType) {
 
-                    var clone = bitjs.clone(this);
-                    var shType = sigHashType || 1;
+                if ((clone.inputs) && clone.inputs[index]) {
 
-                    /* black out all other ins, except this one */
-                    for (var i = 0; i < clone.inputs.length; i++) {
-                        if (index != i) {
-                            clone.inputs[i].script = [];
-                        }
-                    }
+                    /* SIGHASH : For more info on sig hashs see https://en.bitcoin.it/wiki/OP_CHECKSIG
+                        and https://bitcoin.org/en/developer-guide#signature-hash-type */
 
+                    if (shType == 1) {
+                        //SIGHASH_ALL 0x01
 
-                    if ((clone.inputs) && clone.inputs[index]) {
-
-                        /* SIGHASH : For more info on sig hashs see https://en.bitcoin.it/wiki/OP_CHECKSIG
-                            and https://bitcoin.org/en/developer-guide#signature-hash-type */
-
-                        if (shType == 1) {
-                            //SIGHASH_ALL 0x01
-
-                        } else if (shType == 2) {
-                            //SIGHASH_NONE 0x02
-                            clone.outputs = [];
-                            for (var i = 0; i < clone.inputs.length; i++) {
-                                if (index != i) {
-                                    clone.inputs[i].sequence = 0;
-                                }
+                    } else if (shType == 2) {
+                        //SIGHASH_NONE 0x02
+                        clone.outputs = [];
+                        for (var i = 0; i < clone.inputs.length; i++) {
+                            if (index != i) {
+                                clone.inputs[i].sequence = 0;
                             }
+                        }
 
-                        } else if (shType == 3) {
+                    } else if (shType == 3) {
 
-                            //SIGHASH_SINGLE 0x03
+                        //SIGHASH_SINGLE 0x03
+                        clone.outputs.length = index + 1;
+
+                        for (var i = 0; i < index; i++) {
+                            clone.outputs[i].value = -1;
+                            clone.outputs[i].script = [];
+                        }
+
+                        for (var i = 0; i < clone.inputs.length; i++) {
+                            if (index != i) {
+                                clone.inputs[i].sequence = 0;
+                            }
+                        }
+
+                    } else if (shType >= 128) {
+                        //SIGHASH_ANYONECANPAY 0x80
+                        clone.inputs = [clone.inputs[index]];
+
+                        if (shType == 129) {
+                            // SIGHASH_ALL + SIGHASH_ANYONECANPAY
+
+                        } else if (shType == 130) {
+                            // SIGHASH_NONE + SIGHASH_ANYONECANPAY
+                            clone.outputs = [];
+
+                        } else if (shType == 131) {
+                            // SIGHASH_SINGLE + SIGHASH_ANYONECANPAY
                             clone.outputs.length = index + 1;
-
                             for (var i = 0; i < index; i++) {
                                 clone.outputs[i].value = -1;
                                 clone.outputs[i].script = [];
                             }
-
-                            for (var i = 0; i < clone.inputs.length; i++) {
-                                if (index != i) {
-                                    clone.inputs[i].sequence = 0;
-                                }
-                            }
-
-                        } else if (shType >= 128) {
-                            //SIGHASH_ANYONECANPAY 0x80
-                            clone.inputs = [clone.inputs[index]];
-
-                            if (shType == 129) {
-                                // SIGHASH_ALL + SIGHASH_ANYONECANPAY
-
-                            } else if (shType == 130) {
-                                // SIGHASH_NONE + SIGHASH_ANYONECANPAY
-                                clone.outputs = [];
-
-                            } else if (shType == 131) {
-                                // SIGHASH_SINGLE + SIGHASH_ANYONECANPAY
-                                clone.outputs.length = index + 1;
-                                for (var i = 0; i < index; i++) {
-                                    clone.outputs[i].value = -1;
-                                    clone.outputs[i].script = [];
-                                }
-                            }
                         }
-
-                        var buffer = Crypto.util.hexToBytes(clone.serialize());
-                        buffer = buffer.concat(bitjs.numToBytes(parseInt(shType), 4));
-                        var hash = Crypto.SHA256(buffer, {
-                            asBytes: true
-                        });
-                        var r = Crypto.util.bytesToHex(Crypto.SHA256(hash, {
-                            asBytes: true
-                        }));
-                        return r;
-                    } else {
-                        return false;
                     }
+
+                    var buffer = Crypto.util.hexToBytes(clone.serialize());
+                    buffer = buffer.concat(bitjs.numToBytes(parseInt(shType), 4));
+                    var hash = Crypto.SHA256(buffer, {
+                        asBytes: true
+                    });
+                    var r = Crypto.util.bytesToHex(Crypto.SHA256(hash, {
+                        asBytes: true
+                    }));
+                    return r;
+                } else {
+                    return false;
+                }
+            }
+
+            /* generate a signature from a transaction hash */
+            btrx.transactionSig = function(index, wif, sigHashType, txhash) {
+
+                function serializeSig(r, s) {
+                    var rBa = r.toByteArraySigned();
+                    var sBa = s.toByteArraySigned();
+
+                    var sequence = [];
+                    sequence.push(0x02); // INTEGER
+                    sequence.push(rBa.length);
+                    sequence = sequence.concat(rBa);
+
+                    sequence.push(0x02); // INTEGER
+                    sequence.push(sBa.length);
+                    sequence = sequence.concat(sBa);
+
+                    sequence.unshift(sequence.length);
+                    sequence.unshift(0x30); // SEQUENCE
+
+                    return sequence;
                 }
 
-                /* generate a signature from a transaction hash */
-                btrx.transactionSig = function (index, wif, sigHashType, txhash) {
+                var shType = sigHashType || 1;
+                var hash = txhash || Crypto.util.hexToBytes(this.transactionHash(index, shType));
 
-                    function serializeSig(r, s) {
-                        var rBa = r.toByteArraySigned();
-                        var sBa = s.toByteArraySigned();
-
-                        var sequence = [];
-                        sequence.push(0x02); // INTEGER
-                        sequence.push(rBa.length);
-                        sequence = sequence.concat(rBa);
-
-                        sequence.push(0x02); // INTEGER
-                        sequence.push(sBa.length);
-                        sequence = sequence.concat(sBa);
-
-                        sequence.unshift(sequence.length);
-                        sequence.unshift(0x30); // SEQUENCE
-
-                        return sequence;
-                    }
-
-                    var shType = sigHashType || 1;
-                    var hash = txhash || Crypto.util.hexToBytes(this.transactionHash(index, shType));
-
-                    if (hash) {
-                        var curve = EllipticCurve.getSECCurveByName("secp256k1");
-                        var key = bitjs.wif2privkey(wif);
-                        var priv = BigInteger.fromByteArrayUnsigned(Crypto.util.hexToBytes(key['privkey']));
-                        var n = curve.getN();
-                        var e = BigInteger.fromByteArrayUnsigned(hash);
-                        var badrs = 0
-                        do {
-                            var k = this.deterministicK(wif, hash, badrs);
-                            var G = curve.getG();
-                            var Q = G.multiply(k);
-                            var r = Q.getX().toBigInteger().mod(n);
-                            var s = k.modInverse(n).multiply(e.add(priv.multiply(r))).mod(n);
-                            badrs++
-                        } while (r.compareTo(BigInteger.ZERO) <= 0 || s.compareTo(BigInteger.ZERO) <= 0);
-
-                        // Force lower s values per BIP62
-                        var halfn = n.shiftRight(1);
-                        if (s.compareTo(halfn) > 0) {
-                            s = n.subtract(s);
-                        };
-
-                        var sig = serializeSig(r, s);
-                        sig.push(parseInt(shType, 10));
-
-                        return Crypto.util.bytesToHex(sig);
-                    } else {
-                        return false;
-                    }
-                }
-
-                // https://tools.ietf.org/html/rfc6979#section-3.2
-                btrx.deterministicK = function (wif, hash, badrs) {
-                    // if r or s were invalid when this function was used in signing,
-                    // we do not want to actually compute r, s here for efficiency, so,
-                    // we can increment badrs. explained at end of RFC 6979 section 3.2
-
-                    // wif is b58check encoded wif privkey.
-                    // hash is byte array of transaction digest.
-                    // badrs is used only if the k resulted in bad r or s.
-
-                    // some necessary things out of the way for clarity.
-                    badrs = badrs || 0;
-                    var key = bitjs.wif2privkey(wif);
-                    var x = Crypto.util.hexToBytes(key['privkey'])
+                if (hash) {
                     var curve = EllipticCurve.getSECCurveByName("secp256k1");
-                    var N = curve.getN();
+                    var key = bitjs.wif2privkey(wif);
+                    var priv = BigInteger.fromByteArrayUnsigned(Crypto.util.hexToBytes(key['privkey']));
+                    var n = curve.getN();
+                    var e = BigInteger.fromByteArrayUnsigned(hash);
+                    var badrs = 0
+                    do {
+                        var k = this.deterministicK(wif, hash, badrs);
+                        var G = curve.getG();
+                        var Q = G.multiply(k);
+                        var r = Q.getX().toBigInteger().mod(n);
+                        var s = k.modInverse(n).multiply(e.add(priv.multiply(r))).mod(n);
+                        badrs++
+                    } while (r.compareTo(BigInteger.ZERO) <= 0 || s.compareTo(BigInteger.ZERO) <= 0);
 
-                    // Step: a
-                    // hash is a byteArray of the message digest. so h1 == hash in our case
+                    // Force lower s values per BIP62
+                    var halfn = n.shiftRight(1);
+                    if (s.compareTo(halfn) > 0) {
+                        s = n.subtract(s);
+                    };
 
-                    // Step: b
-                    var v = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-                        1, 1, 1, 1, 1, 1
-                    ];
+                    var sig = serializeSig(r, s);
+                    sig.push(parseInt(shType, 10));
 
-                    // Step: c
-                    var k = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-                        0, 0, 0, 0, 0, 0
-                    ];
+                    return Crypto.util.bytesToHex(sig);
+                } else {
+                    return false;
+                }
+            }
 
-                    // Step: d
-                    k = Crypto.HMAC(Crypto.SHA256, v.concat([0]).concat(x).concat(hash), k, {
+            // https://tools.ietf.org/html/rfc6979#section-3.2
+            btrx.deterministicK = function(wif, hash, badrs) {
+                // if r or s were invalid when this function was used in signing,
+                // we do not want to actually compute r, s here for efficiency, so,
+                // we can increment badrs. explained at end of RFC 6979 section 3.2
+
+                // wif is b58check encoded wif privkey.
+                // hash is byte array of transaction digest.
+                // badrs is used only if the k resulted in bad r or s.
+
+                // some necessary things out of the way for clarity.
+                badrs = badrs || 0;
+                var key = bitjs.wif2privkey(wif);
+                var x = Crypto.util.hexToBytes(key['privkey'])
+                var curve = EllipticCurve.getSECCurveByName("secp256k1");
+                var N = curve.getN();
+
+                // Step: a
+                // hash is a byteArray of the message digest. so h1 == hash in our case
+
+                // Step: b
+                var v = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+                    1, 1, 1, 1, 1, 1
+                ];
+
+                // Step: c
+                var k = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+                    0, 0, 0, 0, 0, 0
+                ];
+
+                // Step: d
+                k = Crypto.HMAC(Crypto.SHA256, v.concat([0]).concat(x).concat(hash), k, {
+                    asBytes: true
+                });
+
+                // Step: e
+                v = Crypto.HMAC(Crypto.SHA256, v, k, {
+                    asBytes: true
+                });
+
+                // Step: f
+                k = Crypto.HMAC(Crypto.SHA256, v.concat([1]).concat(x).concat(hash), k, {
+                    asBytes: true
+                });
+
+                // Step: g
+                v = Crypto.HMAC(Crypto.SHA256, v, k, {
+                    asBytes: true
+                });
+
+                // Step: h1
+                var T = [];
+
+                // Step: h2 (since we know tlen = qlen, just copy v to T.)
+                v = Crypto.HMAC(Crypto.SHA256, v, k, {
+                    asBytes: true
+                });
+                T = v;
+
+                // Step: h3
+                var KBigInt = BigInteger.fromByteArrayUnsigned(T);
+
+                // loop if KBigInt is not in the range of [1, N-1] or if badrs needs incrementing.
+                var i = 0
+                while (KBigInt.compareTo(N) >= 0 || KBigInt.compareTo(BigInteger.ZERO) <= 0 || i <
+                    badrs) {
+                    k = Crypto.HMAC(Crypto.SHA256, v.concat([0]), k, {
                         asBytes: true
                     });
-
-                    // Step: e
                     v = Crypto.HMAC(Crypto.SHA256, v, k, {
                         asBytes: true
                     });
-
-                    // Step: f
-                    k = Crypto.HMAC(Crypto.SHA256, v.concat([1]).concat(x).concat(hash), k, {
-                        asBytes: true
-                    });
-
-                    // Step: g
-                    v = Crypto.HMAC(Crypto.SHA256, v, k, {
-                        asBytes: true
-                    });
-
-                    // Step: h1
-                    var T = [];
-
-                    // Step: h2 (since we know tlen = qlen, just copy v to T.)
                     v = Crypto.HMAC(Crypto.SHA256, v, k, {
                         asBytes: true
                     });
                     T = v;
-
-                    // Step: h3
-                    var KBigInt = BigInteger.fromByteArrayUnsigned(T);
-
-                    // loop if KBigInt is not in the range of [1, N-1] or if badrs needs incrementing.
-                    var i = 0
-                    while (KBigInt.compareTo(N) >= 0 || KBigInt.compareTo(BigInteger.ZERO) <= 0 || i <
-                        badrs) {
-                        k = Crypto.HMAC(Crypto.SHA256, v.concat([0]), k, {
-                            asBytes: true
-                        });
-                        v = Crypto.HMAC(Crypto.SHA256, v, k, {
-                            asBytes: true
-                        });
-                        v = Crypto.HMAC(Crypto.SHA256, v, k, {
-                            asBytes: true
-                        });
-                        T = v;
-                        KBigInt = BigInteger.fromByteArrayUnsigned(T);
-                        i++
-                    };
-
-                    return KBigInt;
+                    KBigInt = BigInteger.fromByteArrayUnsigned(T);
+                    i++
                 };
 
-                /* sign a "standard" input */
-                btrx.signinput = function (index, wif, sigHashType) {
-                    var key = bitjs.wif2pubkey(wif);
-                    var shType = sigHashType || 1;
-                    var signature = this.transactionSig(index, wif, shType);
-                    var buf = [];
-                    var sigBytes = Crypto.util.hexToBytes(signature);
-                    buf.push(sigBytes.length);
-                    buf = buf.concat(sigBytes);
-                    var pubKeyBytes = Crypto.util.hexToBytes(key['pubkey']);
-                    buf.push(pubKeyBytes.length);
-                    buf = buf.concat(pubKeyBytes);
-                    this.inputs[index].script = buf;
-                    return true;
+                return KBigInt;
+            };
+
+            /* sign a "standard" input */
+            btrx.signinput = function(index, wif, sigHashType) {
+                var key = bitjs.wif2pubkey(wif);
+                var shType = sigHashType || 1;
+                var signature = this.transactionSig(index, wif, shType);
+                var buf = [];
+                var sigBytes = Crypto.util.hexToBytes(signature);
+                buf.push(sigBytes.length);
+                buf = buf.concat(sigBytes);
+                var pubKeyBytes = Crypto.util.hexToBytes(key['pubkey']);
+                buf.push(pubKeyBytes.length);
+                buf = buf.concat(pubKeyBytes);
+                this.inputs[index].script = buf;
+                return true;
+            }
+
+            /* sign inputs */
+            btrx.sign = function(wif, sigHashType) {
+                var shType = sigHashType || 1;
+                for (var i = 0; i < this.inputs.length; i++) {
+                    this.signinput(i, wif, shType);
+                }
+                return this.serialize();
+            }
+
+
+            /* serialize a transaction */
+            btrx.serialize = function() {
+                var buffer = [];
+                buffer = buffer.concat(bitjs.numToBytes(parseInt(this.version), 4));
+
+                buffer = buffer.concat(bitjs.numToVarInt(this.inputs.length));
+                for (var i = 0; i < this.inputs.length; i++) {
+                    var txin = this.inputs[i];
+                    buffer = buffer.concat(Crypto.util.hexToBytes(txin.outpoint.hash).reverse());
+                    buffer = buffer.concat(bitjs.numToBytes(parseInt(txin.outpoint.index), 4));
+                    var scriptBytes = txin.script;
+                    buffer = buffer.concat(bitjs.numToVarInt(scriptBytes.length));
+                    buffer = buffer.concat(scriptBytes);
+                    buffer = buffer.concat(bitjs.numToBytes(parseInt(txin.sequence), 4));
+
+                }
+                buffer = buffer.concat(bitjs.numToVarInt(this.outputs.length));
+
+                for (var i = 0; i < this.outputs.length; i++) {
+                    var txout = this.outputs[i];
+                    buffer = buffer.concat(bitjs.numToBytes(txout.value, 8));
+                    var scriptBytes = txout.script;
+                    buffer = buffer.concat(bitjs.numToVarInt(scriptBytes.length));
+                    buffer = buffer.concat(scriptBytes);
                 }
 
-                /* sign inputs */
-                btrx.sign = function (wif, sigHashType) {
-                    var shType = sigHashType || 1;
-                    for (var i = 0; i < this.inputs.length; i++) {
-                        this.signinput(i, wif, shType);
-                    }
-                    return this.serialize();
+                buffer = buffer.concat(bitjs.numToBytes(parseInt(this.locktime), 4));
+                var flohex = ascii_to_hexa(this.floData);
+                var floDataCount = this.floData.length;
+                var floDataCountString;
+                //flochange -- creating unique data character count logic for floData. This string is prefixed before actual floData string in Raw Transaction
+                if (floDataCount < 16) {
+                    floDataCountString = floDataCount.toString(16);
+                    floDataCountString = "0" + floDataCountString;
+                } else if (floDataCount < 253) {
+                    floDataCountString = floDataCount.toString(16);
+                } else if (floDataCount <= 1040) {
+                    floDataCountAdjusted = (floDataCount - 253) + parseInt("0xfd00fd");
+                    floDataCountStringAdjusted = floDataCountAdjusted.toString(16);
+                    floDataCountString = floDataCountStringAdjusted.substr(0, 2) + floDataCountStringAdjusted.substr(4, 2) + floDataCountStringAdjusted.substr(2, 2);
+                } else {
+                    floDataCountString = "Character Limit Exceeded";
                 }
 
 
-                /* serialize a transaction */
-                btrx.serialize = function () {
-                    var buffer = [];
-                    buffer = buffer.concat(bitjs.numToBytes(parseInt(this.version), 4));
+                return Crypto.util.bytesToHex(buffer) + floDataCountString + flohex; // flochange -- Addition of floDataCountString and floData in serialization
+            }
 
-                    buffer = buffer.concat(bitjs.numToVarInt(this.inputs.length));
-                    for (var i = 0; i < this.inputs.length; i++) {
-                        var txin = this.inputs[i];
-                        buffer = buffer.concat(Crypto.util.hexToBytes(txin.outpoint.hash).reverse());
-                        buffer = buffer.concat(bitjs.numToBytes(parseInt(txin.outpoint.index), 4));
-                        var scriptBytes = txin.script;
-                        buffer = buffer.concat(bitjs.numToVarInt(scriptBytes.length));
-                        buffer = buffer.concat(scriptBytes);
-                        buffer = buffer.concat(bitjs.numToBytes(parseInt(txin.sequence), 4));
 
+
+            return btrx;
+
+        }
+
+        bitjs.numToBytes = function(num, bytes) {
+            if (typeof bytes === "undefined") bytes = 8;
+            if (bytes == 0) {
+                return [];
+            } else if (num == -1) {
+                return Crypto.util.hexToBytes("ffffffffffffffff");
+            } else {
+                return [num % 256].concat(bitjs.numToBytes(Math.floor(num / 256), bytes - 1));
+            }
+        }
+
+        bitjs.numToByteArray = function(num) {
+            if (num <= 256) {
+                return [num];
+            } else {
+                return [num % 256].concat(bitjs.numToByteArray(Math.floor(num / 256)));
+            }
+        }
+
+        bitjs.numToVarInt = function(num) {
+            if (num < 253) {
+                return [num];
+            } else if (num < 65536) {
+                return [253].concat(bitjs.numToBytes(num, 2));
+            } else if (num < 4294967296) {
+                return [254].concat(bitjs.numToBytes(num, 4));
+            } else {
+                return [255].concat(bitjs.numToBytes(num, 8));
+            }
+        }
+
+        bitjs.bytesToNum = function(bytes) {
+            if (bytes.length == 0) return 0;
+            else return bytes[0] + 256 * bitjs.bytesToNum(bytes.slice(1));
+        }
+
+        /* clone an object */
+        bitjs.clone = function(obj) {
+            if (obj == null || typeof(obj) != 'object') return obj;
+            var temp = new obj.constructor();
+
+            for (var key in obj) {
+                if (obj.hasOwnProperty(key)) {
+                    temp[key] = bitjs.clone(obj[key]);
+                }
+            }
+            return temp;
+        }
+
+        var B58 = bitjs.Base58 = {
+            alphabet: "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz",
+            validRegex: /^[1-9A-HJ-NP-Za-km-z]+$/,
+            base: BigInteger.valueOf(58),
+
+            /**
+             * Convert a byte array to a base58-encoded string.
+             *
+             * Written by Mike Hearn for BitcoinJ.
+             *   Copyright (c) 2011 Google Inc.
+             *
+             * Ported to JavaScript by Stefan Thomas.
+             */
+            encode: function(input) {
+                var bi = BigInteger.fromByteArrayUnsigned(input);
+                var chars = [];
+
+                while (bi.compareTo(B58.base) >= 0) {
+                    var mod = bi.mod(B58.base);
+                    chars.unshift(B58.alphabet[mod.intValue()]);
+                    bi = bi.subtract(mod).divide(B58.base);
+                }
+                chars.unshift(B58.alphabet[bi.intValue()]);
+
+                // Convert leading zeros too.
+                for (var i = 0; i < input.length; i++) {
+                    if (input[i] == 0x00) {
+                        chars.unshift(B58.alphabet[0]);
+                    } else break;
+                }
+
+                return chars.join('');
+            },
+
+            /**
+             * Convert a base58-encoded string to a byte array.
+             *
+             * Written by Mike Hearn for BitcoinJ.
+             *   Copyright (c) 2011 Google Inc.
+             *
+             * Ported to JavaScript by Stefan Thomas.
+             */
+            decode: function(input) {
+                var bi = BigInteger.valueOf(0);
+                var leadingZerosNum = 0;
+                for (var i = input.length - 1; i >= 0; i--) {
+                    var alphaIndex = B58.alphabet.indexOf(input[i]);
+                    if (alphaIndex < 0) {
+                        throw "Invalid character";
                     }
-                    buffer = buffer.concat(bitjs.numToVarInt(this.outputs.length));
+                    bi = bi.add(BigInteger.valueOf(alphaIndex)
+                        .multiply(B58.base.pow(input.length - 1 - i)));
 
-                    for (var i = 0; i < this.outputs.length; i++) {
-                        var txout = this.outputs[i];
-                        buffer = buffer.concat(bitjs.numToBytes(txout.value, 8));
-                        var scriptBytes = txout.script;
-                        buffer = buffer.concat(bitjs.numToVarInt(scriptBytes.length));
-                        buffer = buffer.concat(scriptBytes);
+                    // This counts leading zero bytes
+                    if (input[i] == "1") leadingZerosNum++;
+                    else leadingZerosNum = 0;
+                }
+                var bytes = bi.toByteArrayUnsigned();
+
+                // Add leading zeros
+                while (leadingZerosNum-- > 0) bytes.unshift(0);
+
+                return bytes;
+            }
+        }
+        return bitjs;
+
+    })(typeof global !== "undefined" ? global : window);
+
+    //Bitcoin.js
+    (function(GLOBAL) {
+        /*
+            Copyright (c) 2011 Stefan Thomas
+        
+            Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+        
+            The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+        
+            THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+        */
+        var Bitcoin = GLOBAL.Bitcoin = {};
+
+        //https://raw.github.com/bitcoinjs/bitcoinjs-lib/c952aaeb3ee472e3776655b8ea07299ebed702c7/src/base58.js
+        var B58 = Bitcoin.Base58 = {
+            alphabet: "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz",
+            validRegex: /^[1-9A-HJ-NP-Za-km-z]+$/,
+            base: BigInteger.valueOf(58),
+
+            /**
+             * Convert a byte array to a base58-encoded string.
+             *
+             * Written by Mike Hearn for BitcoinJ.
+             *   Copyright (c) 2011 Google Inc.
+             *
+             * Ported to JavaScript by Stefan Thomas.
+             */
+            encode: function(input) {
+                var bi = BigInteger.fromByteArrayUnsigned(input);
+                var chars = [];
+
+                while (bi.compareTo(B58.base) >= 0) {
+                    var mod = bi.mod(B58.base);
+                    chars.unshift(B58.alphabet[mod.intValue()]);
+                    bi = bi.subtract(mod).divide(B58.base);
+                }
+                chars.unshift(B58.alphabet[bi.intValue()]);
+
+                // Convert leading zeros too.
+                for (var i = 0; i < input.length; i++) {
+                    if (input[i] == 0x00) {
+                        chars.unshift(B58.alphabet[0]);
+                    } else break;
+                }
+
+                return chars.join('');
+            },
+
+            /**
+             * Convert a base58-encoded string to a byte array.
+             *
+             * Written by Mike Hearn for BitcoinJ.
+             *   Copyright (c) 2011 Google Inc.
+             *
+             * Ported to JavaScript by Stefan Thomas.
+             */
+            decode: function(input) {
+                var bi = BigInteger.valueOf(0);
+                var leadingZerosNum = 0;
+                for (var i = input.length - 1; i >= 0; i--) {
+                    var alphaIndex = B58.alphabet.indexOf(input[i]);
+                    if (alphaIndex < 0) {
+                        throw "Invalid character";
                     }
+                    bi = bi.add(BigInteger.valueOf(alphaIndex)
+                        .multiply(B58.base.pow(input.length - 1 - i)));
 
-                    buffer = buffer.concat(bitjs.numToBytes(parseInt(this.locktime),4));
-                    flohex = ascii_to_hexa(this.floData);
-                    floDataCount = this.floData.length;
+                    // This counts leading zero bytes
+                    if (input[i] == "1") leadingZerosNum++;
+                    else leadingZerosNum = 0;
+                }
+                var bytes = bi.toByteArrayUnsigned();
 
-                    //flochange -- creating unique data character count logic for floData. This string is prefixed before actual floData string in Raw Transaction
-                    if (floDataCount < 16) {
-                                  floDataCountString = floDataCount.toString(16);
-                                  floDataCountString = "0"+ floDataCountString;
-                    } else if (floDataCount < 253) {
-                                  floDataCountString = floDataCount.toString(16);
-                    } else if (floDataCount <= 1040) {
-                                  floDataCountAdjusted = (floDataCount - 253) +  parseInt("0xfd00fd");
-                                  floDataCountStringAdjusted = floDataCountAdjusted.toString(16);
-                                  floDataCountString = floDataCountStringAdjusted.substr(0,2)+ floDataCountStringAdjusted.substr(4,2)+ floDataCountStringAdjusted.substr(2,2);
+                // Add leading zeros
+                while (leadingZerosNum-- > 0) bytes.unshift(0);
+
+                return bytes;
+            }
+        };
+
+        //https://raw.github.com/bitcoinjs/bitcoinjs-lib/09e8c6e184d6501a0c2c59d73ca64db5c0d3eb95/src/address.js
+        Bitcoin.Address = function(bytes) {
+            if (GLOBAL.cryptocoin == "FLO")
+                this.version = 0x23; // FLO mainnet public address
+            else if (GLOBAL.cryptocoin == "FLO_TEST")
+                this.version = 0x73; // FLO testnet public address
+            if ("string" == typeof bytes) {
+                bytes = Bitcoin.Address.decodeString(bytes, this.version);
+            }
+            this.hash = bytes;
+        };
+
+        Bitcoin.Address.networkVersion = 0x23; // (FLO mainnet 0x23, 35D), (Bitcoin Mainnet, 0x00, 0D) // *this has no effect *
+
+        /**
+         * Serialize this object as a standard Bitcoin address.
+         *
+         * Returns the address as a base58-encoded string in the standardized format.
+         */
+        Bitcoin.Address.prototype.toString = function() {
+            // Get a copy of the hash
+            var hash = this.hash.slice(0);
+
+            // Version
+            hash.unshift(this.version);
+            var checksum = Crypto.SHA256(Crypto.SHA256(hash, {
+                asBytes: true
+            }), {
+                asBytes: true
+            });
+            var bytes = hash.concat(checksum.slice(0, 4));
+            return Bitcoin.Base58.encode(bytes);
+        };
+
+        Bitcoin.Address.prototype.getHashBase64 = function() {
+            return Crypto.util.bytesToBase64(this.hash);
+        };
+
+        /**
+         * Parse a Bitcoin address contained in a string.
+         */
+        Bitcoin.Address.decodeString = function(string, version) {
+            var bytes = Bitcoin.Base58.decode(string);
+            var hash = bytes.slice(0, 21);
+            var checksum = Crypto.SHA256(Crypto.SHA256(hash, {
+                asBytes: true
+            }), {
+                asBytes: true
+            });
+
+            if (checksum[0] != bytes[21] ||
+                checksum[1] != bytes[22] ||
+                checksum[2] != bytes[23] ||
+                checksum[3] != bytes[24]) {
+                throw "Checksum validation failed!";
+            }
+
+            if (version != hash.shift()) {
+                throw "Version " + hash.shift() + " not supported!";
+            }
+
+            return hash;
+        };
+        //https://raw.github.com/bitcoinjs/bitcoinjs-lib/e90780d3d3b8fc0d027d2bcb38b80479902f223e/src/ecdsa.js
+        Bitcoin.ECDSA = (function() {
+            var ecparams = EllipticCurve.getSECCurveByName("secp256k1");
+            var rng = new SecureRandom();
+
+            var P_OVER_FOUR = null;
+
+            function implShamirsTrick(P, k, Q, l) {
+                var m = Math.max(k.bitLength(), l.bitLength());
+                var Z = P.add2D(Q);
+                var R = P.curve.getInfinity();
+
+                for (var i = m - 1; i >= 0; --i) {
+                    R = R.twice2D();
+
+                    R.z = BigInteger.ONE;
+
+                    if (k.testBit(i)) {
+                        if (l.testBit(i)) {
+                            R = R.add2D(Z);
+                        } else {
+                            R = R.add2D(P);
+                        }
                     } else {
-                                  floDataCountString = "Character Limit Exceeded";
-                              }
-
-
-                    return Crypto.util.bytesToHex(buffer)+floDataCountString+flohex;    // flochange -- Addition of floDataCountString and floData in serialization
-                }
-
-
-
-                return btrx;
-
-            }
-
-            bitjs.numToBytes = function (num, bytes) {
-                if (typeof bytes === "undefined") bytes = 8;
-                if (bytes == 0) {
-                    return [];
-                } else if (num == -1) {
-                    return Crypto.util.hexToBytes("ffffffffffffffff");
-                } else {
-                    return [num % 256].concat(bitjs.numToBytes(Math.floor(num / 256), bytes - 1));
-                }
-            }
-
-            bitjs.numToByteArray = function (num) {
-                if (num <= 256) {
-                    return [num];
-                } else {
-                    return [num % 256].concat(bitjs.numToByteArray(Math.floor(num / 256)));
-                }
-            }
-
-            bitjs.numToVarInt = function (num) {
-                if (num < 253) {
-                    return [num];
-                } else if (num < 65536) {
-                    return [253].concat(bitjs.numToBytes(num, 2));
-                } else if (num < 4294967296) {
-                    return [254].concat(bitjs.numToBytes(num, 4));
-                } else {
-                    return [255].concat(bitjs.numToBytes(num, 8));
-                }
-            }
-
-            bitjs.bytesToNum = function (bytes) {
-                if (bytes.length == 0) return 0;
-                else return bytes[0] + 256 * bitjs.bytesToNum(bytes.slice(1));
-            }
-
-            /* clone an object */
-            bitjs.clone = function (obj) {
-                if (obj == null || typeof (obj) != 'object') return obj;
-                var temp = new obj.constructor();
-
-                for (var key in obj) {
-                    if (obj.hasOwnProperty(key)) {
-                        temp[key] = bitjs.clone(obj[key]);
+                        if (l.testBit(i)) {
+                            R = R.add2D(Q);
+                        }
                     }
                 }
-                return temp;
-            }
 
-            var B58 = bitjs.Base58 = {
-                alphabet: "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz",
-                validRegex: /^[1-9A-HJ-NP-Za-km-z]+$/,
-                base: BigInteger.valueOf(58),
+                return R;
+            };
 
-                /**
-                 * Convert a byte array to a base58-encoded string.
-                 *
-                 * Written by Mike Hearn for BitcoinJ.
-                 *   Copyright (c) 2011 Google Inc.
-                 *
-                 * Ported to JavaScript by Stefan Thomas.
-                 */
-                encode: function (input) {
-                    var bi = BigInteger.fromByteArrayUnsigned(input);
-                    var chars = [];
+            var ECDSA = {
+                getBigRandom: function(limit) {
+                    return new BigInteger(limit.bitLength(), rng)
+                        .mod(limit.subtract(BigInteger.ONE))
+                        .add(BigInteger.ONE);
+                },
+                sign: function(hash, priv) {
+                    var d = priv;
+                    var n = ecparams.getN();
+                    var e = BigInteger.fromByteArrayUnsigned(hash);
 
-                    while (bi.compareTo(B58.base) >= 0) {
-                        var mod = bi.mod(B58.base);
-                        chars.unshift(B58.alphabet[mod.intValue()]);
-                        bi = bi.subtract(mod).divide(B58.base);
-                    }
-                    chars.unshift(B58.alphabet[bi.intValue()]);
+                    do {
+                        var k = ECDSA.getBigRandom(n);
+                        var G = ecparams.getG();
+                        var Q = G.multiply(k);
+                        var r = Q.getX().toBigInteger().mod(n);
+                    } while (r.compareTo(BigInteger.ZERO) <= 0);
 
-                    // Convert leading zeros too.
-                    for (var i = 0; i < input.length; i++) {
-                        if (input[i] == 0x00) {
-                            chars.unshift(B58.alphabet[0]);
-                        } else break;
+                    var s = k.modInverse(n).multiply(e.add(d.multiply(r))).mod(n);
+
+                    return ECDSA.serializeSig(r, s);
+                },
+
+                verify: function(hash, sig, pubkey) {
+                    var r, s;
+                    if (Bitcoin.Util.isArray(sig)) {
+                        var obj = ECDSA.parseSig(sig);
+                        r = obj.r;
+                        s = obj.s;
+                    } else if ("object" === typeof sig && sig.r && sig.s) {
+                        r = sig.r;
+                        s = sig.s;
+                    } else {
+                        throw "Invalid value for signature";
                     }
 
-                    return chars.join('');
+                    var Q;
+                    if (pubkey instanceof ec.PointFp) {
+                        Q = pubkey;
+                    } else if (Bitcoin.Util.isArray(pubkey)) {
+                        Q = EllipticCurve.PointFp.decodeFrom(ecparams.getCurve(), pubkey);
+                    } else {
+                        throw "Invalid format for pubkey value, must be byte array or ec.PointFp";
+                    }
+                    var e = BigInteger.fromByteArrayUnsigned(hash);
+
+                    return ECDSA.verifyRaw(e, r, s, Q);
+                },
+
+                verifyRaw: function(e, r, s, Q) {
+                    var n = ecparams.getN();
+                    var G = ecparams.getG();
+
+                    if (r.compareTo(BigInteger.ONE) < 0 ||
+                        r.compareTo(n) >= 0)
+                        return false;
+
+                    if (s.compareTo(BigInteger.ONE) < 0 ||
+                        s.compareTo(n) >= 0)
+                        return false;
+
+                    var c = s.modInverse(n);
+
+                    var u1 = e.multiply(c).mod(n);
+                    var u2 = r.multiply(c).mod(n);
+
+                    // TODO(!!!): For some reason Shamir's trick isn't working with
+                    // signed message verification!? Probably an implementation
+                    // error!
+                    //var point = implShamirsTrick(G, u1, Q, u2);
+                    var point = G.multiply(u1).add(Q.multiply(u2));
+
+                    var v = point.getX().toBigInteger().mod(n);
+
+                    return v.equals(r);
                 },
 
                 /**
-                 * Convert a base58-encoded string to a byte array.
+                 * Serialize a signature into DER format.
                  *
-                 * Written by Mike Hearn for BitcoinJ.
-                 *   Copyright (c) 2011 Google Inc.
-                 *
-                 * Ported to JavaScript by Stefan Thomas.
+                 * Takes two BigIntegers representing r and s and returns a byte array.
                  */
-                decode: function (input) {
-                    var bi = BigInteger.valueOf(0);
-                    var leadingZerosNum = 0;
-                    for (var i = input.length - 1; i >= 0; i--) {
-                        var alphaIndex = B58.alphabet.indexOf(input[i]);
-                        if (alphaIndex < 0) {
-                            throw "Invalid character";
-                        }
-                        bi = bi.add(BigInteger.valueOf(alphaIndex)
-                            .multiply(B58.base.pow(input.length - 1 - i)));
+                serializeSig: function(r, s) {
+                    var rBa = r.toByteArraySigned();
+                    var sBa = s.toByteArraySigned();
 
-                        // This counts leading zero bytes
-                        if (input[i] == "1") leadingZerosNum++;
-                        else leadingZerosNum = 0;
+                    var sequence = [];
+                    sequence.push(0x02); // INTEGER
+                    sequence.push(rBa.length);
+                    sequence = sequence.concat(rBa);
+
+                    sequence.push(0x02); // INTEGER
+                    sequence.push(sBa.length);
+                    sequence = sequence.concat(sBa);
+
+                    sequence.unshift(sequence.length);
+                    sequence.unshift(0x30); // SEQUENCE
+
+                    return sequence;
+                },
+
+                /**
+                 * Parses a byte array containing a DER-encoded signature.
+                 *
+                 * This function will return an object of the form:
+                 *
+                 * {
+                 *   r: BigInteger,
+                 *   s: BigInteger
+                 * }
+                 */
+                parseSig: function(sig) {
+                    var cursor;
+                    if (sig[0] != 0x30)
+                        throw new Error("Signature not a valid DERSequence");
+
+                    cursor = 2;
+                    if (sig[cursor] != 0x02)
+                        throw new Error("First element in signature must be a DERInteger");;
+                    var rBa = sig.slice(cursor + 2, cursor + 2 + sig[cursor + 1]);
+
+                    cursor += 2 + sig[cursor + 1];
+                    if (sig[cursor] != 0x02)
+                        throw new Error("Second element in signature must be a DERInteger");
+                    var sBa = sig.slice(cursor + 2, cursor + 2 + sig[cursor + 1]);
+
+                    cursor += 2 + sig[cursor + 1];
+
+                    //if (cursor != sig.length)
+                    //  throw new Error("Extra bytes in signature");
+
+                    var r = BigInteger.fromByteArrayUnsigned(rBa);
+                    var s = BigInteger.fromByteArrayUnsigned(sBa);
+
+                    return {
+                        r: r,
+                        s: s
+                    };
+                },
+
+                parseSigCompact: function(sig) {
+                    if (sig.length !== 65) {
+                        throw "Signature has the wrong length";
                     }
-                    var bytes = bi.toByteArrayUnsigned();
 
-                    // Add leading zeros
-                    while (leadingZerosNum-- > 0) bytes.unshift(0);
+                    // Signature is prefixed with a type byte storing three bits of
+                    // information.
+                    var i = sig[0] - 27;
+                    if (i < 0 || i > 7) {
+                        throw "Invalid signature type";
+                    }
 
-                    return bytes;
+                    var n = ecparams.getN();
+                    var r = BigInteger.fromByteArrayUnsigned(sig.slice(1, 33)).mod(n);
+                    var s = BigInteger.fromByteArrayUnsigned(sig.slice(33, 65)).mod(n);
+
+                    return {
+                        r: r,
+                        s: s,
+                        i: i
+                    };
+                },
+
+                /**
+                 * Recover a public key from a signature.
+                 *
+                 * See SEC 1: Elliptic Curve Cryptography, section 4.1.6, "Public
+                 * Key Recovery Operation".
+                 *
+                 * http://www.secg.org/download/aid-780/sec1-v2.pdf
+                 */
+                recoverPubKey: function(r, s, hash, i) {
+                    // The recovery parameter i has two bits.
+                    i = i & 3;
+
+                    // The less significant bit specifies whether the y coordinate
+                    // of the compressed point is even or not.
+                    var isYEven = i & 1;
+
+                    // The more significant bit specifies whether we should use the
+                    // first or second candidate key.
+                    var isSecondKey = i >> 1;
+
+                    var n = ecparams.getN();
+                    var G = ecparams.getG();
+                    var curve = ecparams.getCurve();
+                    var p = curve.getQ();
+                    var a = curve.getA().toBigInteger();
+                    var b = curve.getB().toBigInteger();
+
+                    // We precalculate (p + 1) / 4 where p is if the field order
+                    if (!P_OVER_FOUR) {
+                        P_OVER_FOUR = p.add(BigInteger.ONE).divide(BigInteger.valueOf(4));
+                    }
+
+                    // 1.1 Compute x
+                    var x = isSecondKey ? r.add(n) : r;
+
+                    // 1.3 Convert x to point
+                    var alpha = x.multiply(x).multiply(x).add(a.multiply(x)).add(b).mod(p);
+                    var beta = alpha.modPow(P_OVER_FOUR, p);
+
+                    var xorOdd = beta.isEven() ? (i % 2) : ((i + 1) % 2);
+                    // If beta is even, but y isn't or vice versa, then convert it,
+                    // otherwise we're done and y == beta.
+                    var y = (beta.isEven() ? !isYEven : isYEven) ? beta : p.subtract(beta);
+
+                    // 1.4 Check that nR is at infinity
+                    var R = new EllipticCurve.PointFp(curve,
+                        curve.fromBigInteger(x),
+                        curve.fromBigInteger(y));
+                    R.validate();
+
+                    // 1.5 Compute e from M
+                    var e = BigInteger.fromByteArrayUnsigned(hash);
+                    var eNeg = BigInteger.ZERO.subtract(e).mod(n);
+
+                    // 1.6 Compute Q = r^-1 (sR - eG)
+                    var rInv = r.modInverse(n);
+                    var Q = implShamirsTrick(R, s, G, eNeg).multiply(rInv);
+
+                    Q.validate();
+                    if (!ECDSA.verifyRaw(e, r, s, Q)) {
+                        throw "Pubkey recovery unsuccessful";
+                    }
+
+                    var pubKey = new Bitcoin.ECKey();
+                    pubKey.pub = Q;
+                    return pubKey;
+                },
+
+                /**
+                 * Calculate pubkey extraction parameter.
+                 *
+                 * When extracting a pubkey from a signature, we have to
+                 * distinguish four different cases. Rather than putting this
+                 * burden on the verifier, Bitcoin includes a 2-bit value with the
+                 * signature.
+                 *
+                 * This function simply tries all four cases and returns the value
+                 * that resulted in a successful pubkey recovery.
+                 */
+                calcPubkeyRecoveryParam: function(address, r, s, hash) {
+                    for (var i = 0; i < 4; i++) {
+                        try {
+                            var pubkey = Bitcoin.ECDSA.recoverPubKey(r, s, hash, i);
+                            if (pubkey.getBitcoinAddress().toString() == address) {
+                                return i;
+                            }
+                        } catch (e) {}
+                    }
+                    throw "Unable to find valid recovery factor";
                 }
-            }
-            return bitjs;
+            };
 
+            return ECDSA;
+        })();
+        Bitcoin.KeyPool = (function() {
+            var KeyPool = function() {
+                this.keyArray = [];
+
+                this.push = function(item) {
+                    if (item == null || item.priv == null) return;
+                    var doAdd = true;
+                    // prevent duplicates from being added to the array
+                    for (var index in this.keyArray) {
+                        var currentItem = this.keyArray[index];
+                        if (currentItem != null && currentItem.priv != null && item.getBitcoinAddress() == currentItem.getBitcoinAddress()) {
+                            doAdd = false;
+                            break;
+                        }
+                    }
+                    if (doAdd) this.keyArray.push(item);
+                };
+
+                this.reset = function() {
+                    this.keyArray = [];
+                };
+
+                this.getArray = function() {
+                    // copy array
+                    return this.keyArray.slice(0);
+                };
+
+                this.setArray = function(ka) {
+                    this.keyArray = ka;
+                };
+
+                this.length = function() {
+                    return this.keyArray.length;
+                };
+
+                this.toString = function() {
+                    var keyPoolString = "# = " + this.length() + "\n";
+                    var pool = this.getArray();
+                    for (var index in pool) {
+                        var item = pool[index];
+                        if (Bitcoin.Util.hasMethods(item, 'getBitcoinAddress', 'toString')) {
+                            if (item != null) {
+                                keyPoolString += "\"" + item.getBitcoinAddress() + "\"" + ", \"" + item.toString("wif") + "\"\n";
+                            }
+                        }
+                    }
+
+                    return keyPoolString;
+                };
+
+                return this;
+            };
+
+            return new KeyPool();
         })();
 
-
-
-/*
-Copyright (c) 2011 Stefan Thomas
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-*/
-
-//https://raw.github.com/bitcoinjs/bitcoinjs-lib/1a7fc9d063f864058809d06ef4542af40be3558f/src/bitcoin.js
-(function (exports) {
-    var Bitcoin = exports;
-})(
-    'object' === typeof module ? module.exports : (window.Bitcoin = {})
-);
-
-//https://raw.github.com/bitcoinjs/bitcoinjs-lib/c952aaeb3ee472e3776655b8ea07299ebed702c7/src/base58.js
-(function (Bitcoin) {
-    Bitcoin.Base58 = {
-        alphabet: "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz",
-        validRegex: /^[1-9A-HJ-NP-Za-km-z]+$/,
-        base: BigInteger.valueOf(58),
-
-        /**
-        * Convert a byte array to a base58-encoded string.
-        *
-        * Written by Mike Hearn for BitcoinJ.
-        *   Copyright (c) 2011 Google Inc.
-        *
-        * Ported to JavaScript by Stefan Thomas.
-        */
-        encode: function (input) {
-            var bi = BigInteger.fromByteArrayUnsigned(input);
-            var chars = [];
-
-            while (bi.compareTo(B58.base) >= 0) {
-                var mod = bi.mod(B58.base);
-                chars.unshift(B58.alphabet[mod.intValue()]);
-                bi = bi.subtract(mod).divide(B58.base);
-            }
-            chars.unshift(B58.alphabet[bi.intValue()]);
-
-            // Convert leading zeros too.
-            for (var i = 0; i < input.length; i++) {
-                if (input[i] == 0x00) {
-                    chars.unshift(B58.alphabet[0]);
-                } else break;
-            }
-
-            return chars.join('');
-        },
-
-        /**
-        * Convert a base58-encoded string to a byte array.
-        *
-        * Written by Mike Hearn for BitcoinJ.
-        *   Copyright (c) 2011 Google Inc.
-        *
-        * Ported to JavaScript by Stefan Thomas.
-        */
-        decode: function (input) {
-            var bi = BigInteger.valueOf(0);
-            var leadingZerosNum = 0;
-            for (var i = input.length - 1; i >= 0; i--) {
-                var alphaIndex = B58.alphabet.indexOf(input[i]);
-                if (alphaIndex < 0) {
-                    throw "Invalid character";
-                }
-                bi = bi.add(BigInteger.valueOf(alphaIndex)
-                                .multiply(B58.base.pow(input.length - 1 - i)));
-
-                // This counts leading zero bytes
-                if (input[i] == "1") leadingZerosNum++;
-                else leadingZerosNum = 0;
-            }
-            var bytes = bi.toByteArrayUnsigned();
-
-            // Add leading zeros
-            while (leadingZerosNum-- > 0) bytes.unshift(0);
-
-            return bytes;
-        }
-    };
-
-    var B58 = Bitcoin.Base58;
-})(
-    'undefined' != typeof Bitcoin ? Bitcoin : module.exports
-);
-//https://raw.github.com/bitcoinjs/bitcoinjs-lib/09e8c6e184d6501a0c2c59d73ca64db5c0d3eb95/src/address.js
-Bitcoin.Address = function (bytes) {
-    if(floGlobals.blockchain == "FLO")
-        this.version = 0x23; // FLO mainnet public address
-    else if(floGlobals.blockchain == "FLO_TEST")
-        this.version = 0x73; // FLO testnet public address
-    if ("string" == typeof bytes) {
-        bytes = Bitcoin.Address.decodeString(bytes,this.version);
-    }
-    this.hash = bytes;
-};
-
-Bitcoin.Address.networkVersion = 0x23; // (FLO mainnet 0x23, 35D), (Bitcoin Mainnet, 0x00, 0D) // *this has no effect *
-
-/**
-* Serialize this object as a standard Bitcoin address.
-*
-* Returns the address as a base58-encoded string in the standardized format.
-*/
-Bitcoin.Address.prototype.toString = function () {
-    // Get a copy of the hash
-    var hash = this.hash.slice(0);
-
-    // Version
-    hash.unshift(this.version);
-    var checksum = Crypto.SHA256(Crypto.SHA256(hash, { asBytes: true }), { asBytes: true });
-    var bytes = hash.concat(checksum.slice(0, 4));
-    return Bitcoin.Base58.encode(bytes);
-};
-
-Bitcoin.Address.prototype.getHashBase64 = function () {
-    return Crypto.util.bytesToBase64(this.hash);
-};
-
-/**
-* Parse a Bitcoin address contained in a string.
-*/
-Bitcoin.Address.decodeString = function (string,version) {
-    var bytes = Bitcoin.Base58.decode(string);
-    var hash = bytes.slice(0, 21);
-    var checksum = Crypto.SHA256(Crypto.SHA256(hash, { asBytes: true }), { asBytes: true });
-
-    if (checksum[0] != bytes[21] ||
-            checksum[1] != bytes[22] ||
-            checksum[2] != bytes[23] ||
-            checksum[3] != bytes[24]) {
-        throw "Checksum validation failed!";
-    }
-
-    if (version != hash.shift()) {
-        throw "Version " + hash.shift() + " not supported!";
-    }
-
-    return hash;
-};
-//https://raw.github.com/bitcoinjs/bitcoinjs-lib/e90780d3d3b8fc0d027d2bcb38b80479902f223e/src/ecdsa.js
-Bitcoin.ECDSA = (function () {
-    var ecparams = EllipticCurve.getSECCurveByName("secp256k1");
-    var rng = new SecureRandom();
-
-    var P_OVER_FOUR = null;
-
-    function implShamirsTrick(P, k, Q, l) {
-        var m = Math.max(k.bitLength(), l.bitLength());
-        var Z = P.add2D(Q);
-        var R = P.curve.getInfinity();
-
-        for (var i = m - 1; i >= 0; --i) {
-            R = R.twice2D();
-
-            R.z = BigInteger.ONE;
-
-            if (k.testBit(i)) {
-                if (l.testBit(i)) {
-                    R = R.add2D(Z);
-                } else {
-                    R = R.add2D(P);
-                }
-            } else {
-                if (l.testBit(i)) {
-                    R = R.add2D(Q);
-                }
-            }
-        }
-
-        return R;
-    };
-
-    var ECDSA = {
-        getBigRandom: function (limit) {
-            return new BigInteger(limit.bitLength(), rng)
-                .mod(limit.subtract(BigInteger.ONE))
-                .add(BigInteger.ONE);
-        },
-        sign: function (hash, priv) {
-            var d = priv;
-            var n = ecparams.getN();
-            var e = BigInteger.fromByteArrayUnsigned(hash);
-
-            do {
-                var k = ECDSA.getBigRandom(n);
-                var G = ecparams.getG();
-                var Q = G.multiply(k);
-                var r = Q.getX().toBigInteger().mod(n);
-            } while (r.compareTo(BigInteger.ZERO) <= 0);
-
-            var s = k.modInverse(n).multiply(e.add(d.multiply(r))).mod(n);
-
-            return ECDSA.serializeSig(r, s);
-        },
-
-        verify: function (hash, sig, pubkey) {
-            var r, s;
-            if (Bitcoin.Util.isArray(sig)) {
-                var obj = ECDSA.parseSig(sig);
-                r = obj.r;
-                s = obj.s;
-            } else if ("object" === typeof sig && sig.r && sig.s) {
-                r = sig.r;
-                s = sig.s;
-            } else {
-                throw "Invalid value for signature";
-            }
-
-            var Q;
-            if (pubkey instanceof ec.PointFp) {
-                Q = pubkey;
-            } else if (Bitcoin.Util.isArray(pubkey)) {
-                Q = EllipticCurve.PointFp.decodeFrom(ecparams.getCurve(), pubkey);
-            } else {
-                throw "Invalid format for pubkey value, must be byte array or ec.PointFp";
-            }
-            var e = BigInteger.fromByteArrayUnsigned(hash);
-
-            return ECDSA.verifyRaw(e, r, s, Q);
-        },
-
-        verifyRaw: function (e, r, s, Q) {
-            var n = ecparams.getN();
-            var G = ecparams.getG();
-
-            if (r.compareTo(BigInteger.ONE) < 0 ||
-                r.compareTo(n) >= 0)
-                return false;
-
-            if (s.compareTo(BigInteger.ONE) < 0 ||
-                s.compareTo(n) >= 0)
-                return false;
-
-            var c = s.modInverse(n);
-
-            var u1 = e.multiply(c).mod(n);
-            var u2 = r.multiply(c).mod(n);
-
-            // TODO(!!!): For some reason Shamir's trick isn't working with
-            // signed message verification!? Probably an implementation
-            // error!
-            //var point = implShamirsTrick(G, u1, Q, u2);
-            var point = G.multiply(u1).add(Q.multiply(u2));
-
-            var v = point.getX().toBigInteger().mod(n);
-
-            return v.equals(r);
-        },
-
-        /**
-        * Serialize a signature into DER format.
-        *
-        * Takes two BigIntegers representing r and s and returns a byte array.
-        */
-        serializeSig: function (r, s) {
-            var rBa = r.toByteArraySigned();
-            var sBa = s.toByteArraySigned();
-
-            var sequence = [];
-            sequence.push(0x02); // INTEGER
-            sequence.push(rBa.length);
-            sequence = sequence.concat(rBa);
-
-            sequence.push(0x02); // INTEGER
-            sequence.push(sBa.length);
-            sequence = sequence.concat(sBa);
-
-            sequence.unshift(sequence.length);
-            sequence.unshift(0x30); // SEQUENCE
-
-            return sequence;
-        },
-
-        /**
-        * Parses a byte array containing a DER-encoded signature.
-        *
-        * This function will return an object of the form:
-        *
-        * {
-        *   r: BigInteger,
-        *   s: BigInteger
-        * }
-        */
-        parseSig: function (sig) {
-            var cursor;
-            if (sig[0] != 0x30)
-                throw new Error("Signature not a valid DERSequence");
-
-            cursor = 2;
-            if (sig[cursor] != 0x02)
-                throw new Error("First element in signature must be a DERInteger");;
-            var rBa = sig.slice(cursor + 2, cursor + 2 + sig[cursor + 1]);
-
-            cursor += 2 + sig[cursor + 1];
-            if (sig[cursor] != 0x02)
-                throw new Error("Second element in signature must be a DERInteger");
-            var sBa = sig.slice(cursor + 2, cursor + 2 + sig[cursor + 1]);
-
-            cursor += 2 + sig[cursor + 1];
-
-            //if (cursor != sig.length)
-            //  throw new Error("Extra bytes in signature");
-
-            var r = BigInteger.fromByteArrayUnsigned(rBa);
-            var s = BigInteger.fromByteArrayUnsigned(sBa);
-
-            return {
-                r: r,
-                s: s
+        Bitcoin.Bip38Key = (function() {
+            var Bip38 = function(address, encryptedKey) {
+                this.address = address;
+                this.priv = encryptedKey;
             };
-        },
 
-        parseSigCompact: function (sig) {
-            if (sig.length !== 65) {
-                throw "Signature has the wrong length";
-            }
-
-            // Signature is prefixed with a type byte storing three bits of
-            // information.
-            var i = sig[0] - 27;
-            if (i < 0 || i > 7) {
-                throw "Invalid signature type";
-            }
-
-            var n = ecparams.getN();
-            var r = BigInteger.fromByteArrayUnsigned(sig.slice(1, 33)).mod(n);
-            var s = BigInteger.fromByteArrayUnsigned(sig.slice(33, 65)).mod(n);
-
-            return {
-                r: r,
-                s: s,
-                i: i
+            Bip38.prototype.getBitcoinAddress = function() {
+                return this.address;
             };
-        },
 
-        /**
-        * Recover a public key from a signature.
-        *
-        * See SEC 1: Elliptic Curve Cryptography, section 4.1.6, "Public
-        * Key Recovery Operation".
-        *
-        * http://www.secg.org/download/aid-780/sec1-v2.pdf
-        */
-        recoverPubKey: function (r, s, hash, i) {
-            // The recovery parameter i has two bits.
-            i = i & 3;
+            Bip38.prototype.toString = function() {
+                return this.priv;
+            };
 
-            // The less significant bit specifies whether the y coordinate
-            // of the compressed point is even or not.
-            var isYEven = i & 1;
+            return Bip38;
+        })();
 
-            // The more significant bit specifies whether we should use the
-            // first or second candidate key.
-            var isSecondKey = i >> 1;
+        //https://raw.github.com/pointbiz/bitcoinjs-lib/9b2f94a028a7bc9bed94e0722563e9ff1d8e8db8/src/eckey.js
+        Bitcoin.ECKey = (function() {
+            var ECDSA = Bitcoin.ECDSA;
+            var KeyPool = Bitcoin.KeyPool;
+            var ecparams = EllipticCurve.getSECCurveByName("secp256k1");
 
-            var n = ecparams.getN();
-            var G = ecparams.getG();
-            var curve = ecparams.getCurve();
-            var p = curve.getQ();
-            var a = curve.getA().toBigInteger();
-            var b = curve.getB().toBigInteger();
+            var ECKey = function(input) {
+                if (!input) {
+                    // Generate new key
+                    var n = ecparams.getN();
+                    this.priv = ECDSA.getBigRandom(n);
+                } else if (input instanceof BigInteger) {
+                    // Input is a private key value
+                    this.priv = input;
+                } else if (Bitcoin.Util.isArray(input)) {
+                    // Prepend zero byte to prevent interpretation as negative integer
+                    this.priv = BigInteger.fromByteArrayUnsigned(input);
+                } else if ("string" == typeof input) {
+                    var bytes = null;
+                    try {
 
-            // We precalculate (p + 1) / 4 where p is if the field order
-            if (!P_OVER_FOUR) {
-                P_OVER_FOUR = p.add(BigInteger.ONE).divide(BigInteger.valueOf(4));
-            }
+                        // This part is edited for FLO. FLO WIF are always compressed WIF. FLO WIF (private key) starts with R for mainnet and c for testnet.
+                        if (((GLOBAL.cryptocoin == "FLO") && /^R[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(input)) ||
+                            ((GLOBAL.cryptocoin == "FLO_TEST") && /^c[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(input))) {
+                            bytes = ECKey.decodeCompressedWalletImportFormat(input);
+                            this.compressed = true;
+                        } else if (ECKey.isHexFormat(input)) {
+                            bytes = Crypto.util.hexToBytes(input);
+                        }
 
-            // 1.1 Compute x
-            var x = isSecondKey ? r.add(n) : r;
 
-            // 1.3 Convert x to point
-            var alpha = x.multiply(x).multiply(x).add(a.multiply(x)).add(b).mod(p);
-            var beta = alpha.modPow(P_OVER_FOUR, p);
+                        /*
+                            if (ECKey.isWalletImportFormat(input)) {
+                                bytes = ECKey.decodeWalletImportFormat(input);
+                            } else if (ECKey.isCompressedWalletImportFormat(input)) {
+                                bytes = ECKey.decodeCompressedWalletImportFormat(input);
+                                this.compressed = true;
+                            } else if (ECKey.isMiniFormat(input)) {
+                                bytes = Crypto.SHA256(input, { asBytes: true });
+                            } else if (ECKey.isHexFormat(input)) {
+                                bytes = Crypto.util.hexToBytes(input);
+                            } else if (ECKey.isBase64Format(input)) {
+                                bytes = Crypto.util.base64ToBytes(input);
+                            }
+                            */
+                    } catch (exc1) {
+                        this.setError(exc1);
+                    }
 
-            var xorOdd = beta.isEven() ? (i % 2) : ((i + 1) % 2);
-            // If beta is even, but y isn't or vice versa, then convert it,
-            // otherwise we're done and y == beta.
-            var y = (beta.isEven() ? !isYEven : isYEven) ? beta : p.subtract(beta);
+                    if (ECKey.isBase6Format(input)) {
+                        this.priv = new BigInteger(input, 6);
+                    } else if (bytes == null || bytes.length != 32) {
+                        this.priv = null;
+                    } else {
+                        // Prepend zero byte to prevent interpretation as negative integer
+                        this.priv = BigInteger.fromByteArrayUnsigned(bytes);
+                    }
+                }
 
-            // 1.4 Check that nR is at infinity
-            var R = new EllipticCurve.PointFp(curve,
-                curve.fromBigInteger(x),
-                curve.fromBigInteger(y));
-            R.validate();
-
-            // 1.5 Compute e from M
-            var e = BigInteger.fromByteArrayUnsigned(hash);
-            var eNeg = BigInteger.ZERO.subtract(e).mod(n);
-
-            // 1.6 Compute Q = r^-1 (sR - eG)
-            var rInv = r.modInverse(n);
-            var Q = implShamirsTrick(R, s, G, eNeg).multiply(rInv);
-
-            Q.validate();
-            if (!ECDSA.verifyRaw(e, r, s, Q)) {
-                throw "Pubkey recovery unsuccessful";
-            }
-
-            var pubKey = new Bitcoin.ECKey();
-            pubKey.pub = Q;
-            return pubKey;
-        },
-
-        /**
-        * Calculate pubkey extraction parameter.
-        *
-        * When extracting a pubkey from a signature, we have to
-        * distinguish four different cases. Rather than putting this
-        * burden on the verifier, Bitcoin includes a 2-bit value with the
-        * signature.
-        *
-        * This function simply tries all four cases and returns the value
-        * that resulted in a successful pubkey recovery.
-        */
-        calcPubkeyRecoveryParam: function (address, r, s, hash) {
-            for (var i = 0; i < 4; i++) {
+                this.compressed = (this.compressed == undefined) ? !!ECKey.compressByDefault : this.compressed;
                 try {
-                    var pubkey = Bitcoin.ECDSA.recoverPubKey(r, s, hash, i);
-                    if (pubkey.getBitcoinAddress().toString() == address) {
-                        return i;
+                    // check not zero
+                    if (this.priv != null && BigInteger.ZERO.compareTo(this.priv) == 0) this.setError("Error: BigInteger equal to zero.");
+                    // valid range [0x1, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364140])
+                    var hexKeyRangeLimit = "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364140";
+                    var rangeLimitBytes = Crypto.util.hexToBytes(hexKeyRangeLimit);
+                    var limitBigInt = BigInteger.fromByteArrayUnsigned(rangeLimitBytes);
+                    if (this.priv != null && limitBigInt.compareTo(this.priv) < 0) this.setError("Error: BigInteger outside of curve range.")
+
+                    if (this.priv != null) {
+                        KeyPool.push(this);
                     }
-                } catch (e) {}
-            }
-            throw "Unable to find valid recovery factor";
-        }
-    };
-
-    return ECDSA;
-})();
-Bitcoin.KeyPool = (function () {
-    var KeyPool = function () {
-        this.keyArray = [];
-
-        this.push = function (item) {
-            if (item == null || item.priv == null) return;
-            var doAdd = true;
-            // prevent duplicates from being added to the array
-            for (var index in this.keyArray) {
-                var currentItem = this.keyArray[index];
-                if (currentItem != null && currentItem.priv != null && item.getBitcoinAddress() == currentItem.getBitcoinAddress()) {
-                    doAdd = false;
-                    break;
+                } catch (exc2) {
+                    this.setError(exc2);
                 }
-            }
-            if (doAdd) this.keyArray.push(item);
-        };
+            };
 
-        this.reset = function () {
-            this.keyArray = [];
-        };
+            if (GLOBAL.cryptocoin == "FLO")
+                ECKey.privateKeyPrefix = 0xA3; //(Bitcoin mainnet 0x80    testnet 0xEF) (FLO mainnet 0xA3 163 D)
+            else if (GLOBAL.cryptocoin == "FLO_TEST")
+                ECKey.privateKeyPrefix = 0xEF; //FLO testnet
 
-        this.getArray = function () {
-            // copy array
-            return this.keyArray.slice(0);
-        };
+            /**
+             * Whether public keys should be returned compressed by default.
+             */
+            ECKey.compressByDefault = false;
 
-        this.setArray = function (ka) {
-            this.keyArray = ka;
-        };
-
-        this.length = function () {
-            return this.keyArray.length;
-        };
-
-        this.toString = function () {
-            var keyPoolString = "# = " + this.length() + "\n";
-            var pool = this.getArray();
-            for (var index in pool) {
-                var item = pool[index];
-                if (Bitcoin.Util.hasMethods(item, 'getBitcoinAddress', 'toString')) {
-                    if (item != null) {
-                        keyPoolString += "\"" + item.getBitcoinAddress() + "\"" + ", \"" + item.toString("wif") + "\"\n";
-                    }
-                }
-            }
-
-            return keyPoolString;
-        };
-
-        return this;
-    };
-
-    return new KeyPool();
-})();
-
-Bitcoin.Bip38Key = (function () {
-    var Bip38 = function (address, encryptedKey) {
-        this.address = address;
-        this.priv = encryptedKey;
-    };
-
-    Bip38.prototype.getBitcoinAddress = function () {
-        return this.address;
-    };
-
-    Bip38.prototype.toString = function () {
-        return this.priv;
-    };
-
-    return Bip38;
-})();
-
-//https://raw.github.com/pointbiz/bitcoinjs-lib/9b2f94a028a7bc9bed94e0722563e9ff1d8e8db8/src/eckey.js
-Bitcoin.ECKey = (function () {
-    var ECDSA = Bitcoin.ECDSA;
-    var KeyPool = Bitcoin.KeyPool;
-    var ecparams = EllipticCurve.getSECCurveByName("secp256k1");
-
-    var ECKey = function (input) {
-        if (!input) {
-            // Generate new key
-            var n = ecparams.getN();
-            this.priv = ECDSA.getBigRandom(n);
-        } else if (input instanceof BigInteger) {
-            // Input is a private key value
-            this.priv = input;
-        } else if (Bitcoin.Util.isArray(input)) {
-            // Prepend zero byte to prevent interpretation as negative integer
-            this.priv = BigInteger.fromByteArrayUnsigned(input);
-        } else if ("string" == typeof input) {
-            var bytes = null;
-            try{
-
-            // This part is edited for FLO. FLO WIF are always compressed WIF. FLO WIF (private key) starts with R for mainnet and c for testnet.
-                if(((floGlobals.blockchain == "FLO") && /^R[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(input)) ||
-                    ((floGlobals.blockchain == "FLO_TEST") && /^c[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(input))) {
-                    bytes = ECKey.decodeCompressedWalletImportFormat(input);
-                    this.compressed = true;
-                }else if (ECKey.isHexFormat(input)) {
-                    bytes = Crypto.util.hexToBytes(input);
-                }
+            /**
+             * Set whether the public key should be returned compressed or not.
+             */
+            ECKey.prototype.setError = function(err) {
+                this.error = err;
+                this.priv = null;
+                return this;
+            };
 
+            /**
+             * Set whether the public key should be returned compressed or not.
+             */
+            ECKey.prototype.setCompressed = function(v) {
+                this.compressed = !!v;
+                if (this.pubPoint) this.pubPoint.compressed = this.compressed;
+                return this;
+            };
 
             /*
-                if (ECKey.isWalletImportFormat(input)) {
-                    bytes = ECKey.decodeWalletImportFormat(input);
-                } else if (ECKey.isCompressedWalletImportFormat(input)) {
-                    bytes = ECKey.decodeCompressedWalletImportFormat(input);
-                    this.compressed = true;
-                } else if (ECKey.isMiniFormat(input)) {
-                    bytes = Crypto.SHA256(input, { asBytes: true });
-                } else if (ECKey.isHexFormat(input)) {
-                    bytes = Crypto.util.hexToBytes(input);
-                } else if (ECKey.isBase64Format(input)) {
-                    bytes = Crypto.util.base64ToBytes(input);
+             * Return public key as a byte array in DER encoding
+             */
+            ECKey.prototype.getPub = function() {
+                if (this.compressed) {
+                    if (this.pubComp) return this.pubComp;
+                    return this.pubComp = this.getPubPoint().getEncoded(1);
+                } else {
+                    if (this.pubUncomp) return this.pubUncomp;
+                    return this.pubUncomp = this.getPubPoint().getEncoded(0);
                 }
-                */
-            } catch (exc1) {
-                this.setError(exc1);
-            }
+            };
 
-            if (ECKey.isBase6Format(input)) {
-                this.priv = new BigInteger(input, 6);
-            } else if (bytes == null || bytes.length != 32) {
-                this.priv = null;
-            } else {
-                // Prepend zero byte to prevent interpretation as negative integer
-                this.priv = BigInteger.fromByteArrayUnsigned(bytes);
-            }
-        }
+            /**
+             * Return public point as ECPoint object.
+             */
+            ECKey.prototype.getPubPoint = function() {
+                if (!this.pubPoint) {
+                    this.pubPoint = ecparams.getG().multiply(this.priv);
+                    this.pubPoint.compressed = this.compressed;
+                }
+                return this.pubPoint;
+            };
 
-        this.compressed = (this.compressed == undefined) ? !!ECKey.compressByDefault : this.compressed;
-        try {
-            // check not zero
-            if (this.priv != null && BigInteger.ZERO.compareTo(this.priv) == 0) this.setError("Error: BigInteger equal to zero.");
-            // valid range [0x1, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364140])
-            var hexKeyRangeLimit = "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364140";
-            var rangeLimitBytes = Crypto.util.hexToBytes(hexKeyRangeLimit);
-            var limitBigInt = BigInteger.fromByteArrayUnsigned(rangeLimitBytes);
-            if (this.priv != null && limitBigInt.compareTo(this.priv) < 0) this.setError("Error: BigInteger outside of curve range.")
+            ECKey.prototype.getPubKeyHex = function() {
+                if (this.compressed) {
+                    if (this.pubKeyHexComp) return this.pubKeyHexComp;
+                    return this.pubKeyHexComp = Crypto.util.bytesToHex(this.getPub()).toString().toUpperCase();
+                } else {
+                    if (this.pubKeyHexUncomp) return this.pubKeyHexUncomp;
+                    return this.pubKeyHexUncomp = Crypto.util.bytesToHex(this.getPub()).toString().toUpperCase();
+                }
+            };
 
-            if (this.priv != null) {
-                KeyPool.push(this);
-            }
-        } catch (exc2) {
-            this.setError(exc2);
-        }
-    };
+            /**
+             * Get the pubKeyHash for this key.
+             *
+             * This is calculated as RIPE160(SHA256([encoded pubkey])) and returned as
+             * a byte array.
+             */
+            ECKey.prototype.getPubKeyHash = function() {
+                if (this.compressed) {
+                    if (this.pubKeyHashComp) return this.pubKeyHashComp;
+                    return this.pubKeyHashComp = Bitcoin.Util.sha256ripe160(this.getPub());
+                } else {
+                    if (this.pubKeyHashUncomp) return this.pubKeyHashUncomp;
+                    return this.pubKeyHashUncomp = Bitcoin.Util.sha256ripe160(this.getPub());
+                }
+            };
 
-    if(floGlobals.blockchain == "FLO")
-        ECKey.privateKeyPrefix = 0xA3; //(Bitcoin mainnet 0x80    testnet 0xEF) (FLO mainnet 0xA3 163 D)
-    else if(floGlobals.blockchain == "FLO_TEST")
-        ECKey.privateKeyPrefix = 0xEF; //FLO testnet
+            ECKey.prototype.getBitcoinAddress = function() {
+                var hash = this.getPubKeyHash();
+                var addr = new Bitcoin.Address(hash);
+                return addr.toString();
+            };
 
-    /**
-    * Whether public keys should be returned compressed by default.
-    */
-    ECKey.compressByDefault = false;
+            /*
+             * Takes a public point as a hex string or byte array
+             */
+            ECKey.prototype.setPub = function(pub) {
+                // byte array
+                if (Bitcoin.Util.isArray(pub)) {
+                    pub = Crypto.util.bytesToHex(pub).toString().toUpperCase();
+                }
+                var ecPoint = ecparams.getCurve().decodePointHex(pub);
+                this.setCompressed(ecPoint.compressed);
+                this.pubPoint = ecPoint;
+                return this;
+            };
 
-    /**
-    * Set whether the public key should be returned compressed or not.
-    */
-    ECKey.prototype.setError = function (err) {
-        this.error = err;
-        this.priv = null;
-        return this;
-    };
+            // Sipa Private Key Wallet Import Format
+            ECKey.prototype.getBitcoinWalletImportFormat = function() {
+                var bytes = this.getBitcoinPrivateKeyByteArray();
+                if (bytes == null) return "";
+                bytes.unshift(ECKey.privateKeyPrefix); // prepend 0x80 byte
+                if (this.compressed) bytes.push(0x01); // append 0x01 byte for compressed format
+                var checksum = Crypto.SHA256(Crypto.SHA256(bytes, {
+                    asBytes: true
+                }), {
+                    asBytes: true
+                });
+                bytes = bytes.concat(checksum.slice(0, 4));
+                var privWif = Bitcoin.Base58.encode(bytes);
+                return privWif;
+            };
 
-    /**
-    * Set whether the public key should be returned compressed or not.
-    */
-    ECKey.prototype.setCompressed = function (v) {
-        this.compressed = !!v;
-        if (this.pubPoint) this.pubPoint.compressed = this.compressed;
-        return this;
-    };
+            // Private Key Hex Format
+            ECKey.prototype.getBitcoinHexFormat = function() {
+                return Crypto.util.bytesToHex(this.getBitcoinPrivateKeyByteArray()).toString().toUpperCase();
+            };
 
-    /*
-    * Return public key as a byte array in DER encoding
-    */
-    ECKey.prototype.getPub = function () {
-        if (this.compressed) {
-            if (this.pubComp) return this.pubComp;
-            return this.pubComp = this.getPubPoint().getEncoded(1);
-        } else {
-            if (this.pubUncomp) return this.pubUncomp;
-            return this.pubUncomp = this.getPubPoint().getEncoded(0);
-        }
-    };
+            // Private Key Base64 Format
+            ECKey.prototype.getBitcoinBase64Format = function() {
+                return Crypto.util.bytesToBase64(this.getBitcoinPrivateKeyByteArray());
+            };
 
-    /**
-    * Return public point as ECPoint object.
-    */
-    ECKey.prototype.getPubPoint = function () {
-        if (!this.pubPoint) {
-            this.pubPoint = ecparams.getG().multiply(this.priv);
-            this.pubPoint.compressed = this.compressed;
-        }
-        return this.pubPoint;
-    };
+            ECKey.prototype.getBitcoinPrivateKeyByteArray = function() {
+                if (this.priv == null) return null;
+                // Get a copy of private key as a byte array
+                var bytes = this.priv.toByteArrayUnsigned();
+                // zero pad if private key is less than 32 bytes
+                while (bytes.length < 32) bytes.unshift(0x00);
+                return bytes;
+            };
 
-    ECKey.prototype.getPubKeyHex = function () {
-        if (this.compressed) {
-            if (this.pubKeyHexComp) return this.pubKeyHexComp;
-            return this.pubKeyHexComp = Crypto.util.bytesToHex(this.getPub()).toString().toUpperCase();
-        } else {
-            if (this.pubKeyHexUncomp) return this.pubKeyHexUncomp;
-            return this.pubKeyHexUncomp = Crypto.util.bytesToHex(this.getPub()).toString().toUpperCase();
-        }
-    };
+            ECKey.prototype.toString = function(format) {
+                format = format || "";
+                if (format.toString().toLowerCase() == "base64" || format.toString().toLowerCase() == "b64") {
+                    return this.getBitcoinBase64Format();
+                }
+                // Wallet Import Format
+                else if (format.toString().toLowerCase() == "wif") {
+                    return this.getBitcoinWalletImportFormat();
+                } else {
+                    return this.getBitcoinHexFormat();
+                }
+            };
 
-    /**
-    * Get the pubKeyHash for this key.
-    *
-    * This is calculated as RIPE160(SHA256([encoded pubkey])) and returned as
-    * a byte array.
-    */
-    ECKey.prototype.getPubKeyHash = function () {
-        if (this.compressed) {
-            if (this.pubKeyHashComp) return this.pubKeyHashComp;
-            return this.pubKeyHashComp = Bitcoin.Util.sha256ripe160(this.getPub());
-        } else {
-            if (this.pubKeyHashUncomp) return this.pubKeyHashUncomp;
-            return this.pubKeyHashUncomp = Bitcoin.Util.sha256ripe160(this.getPub());
-        }
-    };
+            ECKey.prototype.sign = function(hash) {
+                return ECDSA.sign(hash, this.priv);
+            };
 
-    ECKey.prototype.getBitcoinAddress = function () {
-        var hash = this.getPubKeyHash();
-        var addr = new Bitcoin.Address(hash);
-        return addr.toString();
-    };
+            ECKey.prototype.verify = function(hash, sig) {
+                return ECDSA.verify(hash, sig, this.getPub());
+            };
 
-    /*
-    * Takes a public point as a hex string or byte array
-    */
-    ECKey.prototype.setPub = function (pub) {
-        // byte array
-        if (Bitcoin.Util.isArray(pub)) {
-            pub = Crypto.util.bytesToHex(pub).toString().toUpperCase();
-        }
-        var ecPoint = ecparams.getCurve().decodePointHex(pub);
-        this.setCompressed(ecPoint.compressed);
-        this.pubPoint = ecPoint;
-        return this;
-    };
-
-    // Sipa Private Key Wallet Import Format
-    ECKey.prototype.getBitcoinWalletImportFormat = function () {
-        var bytes = this.getBitcoinPrivateKeyByteArray();
-        if (bytes == null) return "";
-        bytes.unshift(ECKey.privateKeyPrefix); // prepend 0x80 byte
-        if (this.compressed) bytes.push(0x01); // append 0x01 byte for compressed format
-        var checksum = Crypto.SHA256(Crypto.SHA256(bytes, { asBytes: true }), { asBytes: true });
-        bytes = bytes.concat(checksum.slice(0, 4));
-        var privWif = Bitcoin.Base58.encode(bytes);
-        return privWif;
-    };
-
-    // Private Key Hex Format
-    ECKey.prototype.getBitcoinHexFormat = function () {
-        return Crypto.util.bytesToHex(this.getBitcoinPrivateKeyByteArray()).toString().toUpperCase();
-    };
-
-    // Private Key Base64 Format
-    ECKey.prototype.getBitcoinBase64Format = function () {
-        return Crypto.util.bytesToBase64(this.getBitcoinPrivateKeyByteArray());
-    };
-
-    ECKey.prototype.getBitcoinPrivateKeyByteArray = function () {
-        if (this.priv == null) return null;
-        // Get a copy of private key as a byte array
-        var bytes = this.priv.toByteArrayUnsigned();
-        // zero pad if private key is less than 32 bytes
-        while (bytes.length < 32) bytes.unshift(0x00);
-        return bytes;
-    };
-
-    ECKey.prototype.toString = function (format) {
-        format = format || "";
-        if (format.toString().toLowerCase() == "base64" || format.toString().toLowerCase() == "b64") {
-            return this.getBitcoinBase64Format();
-        }
-        // Wallet Import Format
-        else if (format.toString().toLowerCase() == "wif") {
-            return this.getBitcoinWalletImportFormat();
-        }
-        else {
-            return this.getBitcoinHexFormat();
-        }
-    };
-
-    ECKey.prototype.sign = function (hash) {
-        return ECDSA.sign(hash, this.priv);
-    };
-
-    ECKey.prototype.verify = function (hash, sig) {
-        return ECDSA.verify(hash, sig, this.getPub());
-    };
-
-    /**
-    * Parse a wallet import format private key contained in a string.
-    */
-    ECKey.decodeWalletImportFormat = function (privStr) {
-        var bytes = Bitcoin.Base58.decode(privStr);
-        var hash = bytes.slice(0, 33);
-        var checksum = Crypto.SHA256(Crypto.SHA256(hash, { asBytes: true }), { asBytes: true });
-        if (checksum[0] != bytes[33] ||
+            /**
+             * Parse a wallet import format private key contained in a string.
+             */
+            ECKey.decodeWalletImportFormat = function(privStr) {
+                var bytes = Bitcoin.Base58.decode(privStr);
+                var hash = bytes.slice(0, 33);
+                var checksum = Crypto.SHA256(Crypto.SHA256(hash, {
+                    asBytes: true
+                }), {
+                    asBytes: true
+                });
+                if (checksum[0] != bytes[33] ||
                     checksum[1] != bytes[34] ||
                     checksum[2] != bytes[35] ||
                     checksum[3] != bytes[36]) {
-            throw "Checksum validation failed!";
+                    throw "Checksum validation failed!";
 
-        }
-        var version = hash.shift();
-        if (version != ECKey.privateKeyPrefix) {
-            throw "Version " + version + " not supported!";
-        }
-        return hash;
-    };
+                }
+                var version = hash.shift();
+                if (version != ECKey.privateKeyPrefix) {
+                    throw "Version " + version + " not supported!";
+                }
+                return hash;
+            };
 
-    /**
-    * Parse a compressed wallet import format private key contained in a string.
-    */
-    ECKey.decodeCompressedWalletImportFormat = function (privStr) {
-        var bytes = Bitcoin.Base58.decode(privStr);
-        var hash = bytes.slice(0, 34);
-        var checksum = Crypto.SHA256(Crypto.SHA256(hash, { asBytes: true }), { asBytes: true });
-        if (checksum[0] != bytes[34] ||
+            /**
+             * Parse a compressed wallet import format private key contained in a string.
+             */
+            ECKey.decodeCompressedWalletImportFormat = function(privStr) {
+                var bytes = Bitcoin.Base58.decode(privStr);
+                var hash = bytes.slice(0, 34);
+                var checksum = Crypto.SHA256(Crypto.SHA256(hash, {
+                    asBytes: true
+                }), {
+                    asBytes: true
+                });
+                if (checksum[0] != bytes[34] ||
                     checksum[1] != bytes[35] ||
                     checksum[2] != bytes[36] ||
                     checksum[3] != bytes[37]) {
-            throw "Checksum validation failed!";
-        }
-        var version = hash.shift();
-        if (version != ECKey.privateKeyPrefix) {
-            throw "Version " + version + " not supported!";
-        }
-        hash.pop();
-        return hash;
-    };
+                    throw "Checksum validation failed!";
+                }
+                var version = hash.shift();
+                if (version != ECKey.privateKeyPrefix) {
+                    throw "Version " + version + " not supported!";
+                }
+                hash.pop();
+                return hash;
+            };
 
-    // 64 characters [0-9A-F]
-    ECKey.isHexFormat = function (key) {
-        key = key.toString();
-        return /^[A-Fa-f0-9]{64}$/.test(key);
-    };
+            // 64 characters [0-9A-F]
+            ECKey.isHexFormat = function(key) {
+                key = key.toString();
+                return /^[A-Fa-f0-9]{64}$/.test(key);
+            };
 
-    // 51 characters base58, always starts with a '5'
-    ECKey.isWalletImportFormat = function (key) {
-        key = key.toString();
-        return (ECKey.privateKeyPrefix == 0x80) ?
-                            (/^5[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{50}$/.test(key)) :
-                            (/^R[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{50}$/.test(key));
-    };
+            // 51 characters base58, always starts with a '5'
+            ECKey.isWalletImportFormat = function(key) {
+                key = key.toString();
+                return (ECKey.privateKeyPrefix == 0x80) ?
+                    (/^5[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{50}$/.test(key)) :
+                    (/^R[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{50}$/.test(key));
+            };
 
-    // 52 characters base58
-    ECKey.isCompressedWalletImportFormat = function (key) {
-        key = key.toString();
-        return (ECKey.privateKeyPrefix == 0x80) ?
-                            (/^[LK][123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(key)) :
-                            (/^R[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(key));
-    };
+            // 52 characters base58
+            ECKey.isCompressedWalletImportFormat = function(key) {
+                key = key.toString();
+                return (ECKey.privateKeyPrefix == 0x80) ?
+                    (/^[LK][123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(key)) :
+                    (/^R[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{51}$/.test(key));
+            };
 
-    // 44 characters
-    ECKey.isBase64Format = function (key) {
-        key = key.toString();
-        return (/^[ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789=+\/]{44}$/.test(key));
-    };
+            // 44 characters
+            ECKey.isBase64Format = function(key) {
+                key = key.toString();
+                return (/^[ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789=+\/]{44}$/.test(key));
+            };
 
-    // 99 characters, 1=1, if using dice convert 6 to 0
-    ECKey.isBase6Format = function (key) {
-        key = key.toString();
-        return (/^[012345]{99}$/.test(key));
-    };
+            // 99 characters, 1=1, if using dice convert 6 to 0
+            ECKey.isBase6Format = function(key) {
+                key = key.toString();
+                return (/^[012345]{99}$/.test(key));
+            };
 
-    // 22, 26 or 30 characters, always starts with an 'S'
-    ECKey.isMiniFormat = function (key) {
-        key = key.toString();
-        var validChars22 = /^S[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{21}$/.test(key);
-        var validChars26 = /^S[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{25}$/.test(key);
-        var validChars30 = /^S[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{29}$/.test(key);
-        var testBytes = Crypto.SHA256(key + "?", { asBytes: true });
+            // 22, 26 or 30 characters, always starts with an 'S'
+            ECKey.isMiniFormat = function(key) {
+                key = key.toString();
+                var validChars22 = /^S[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{21}$/.test(key);
+                var validChars26 = /^S[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{25}$/.test(key);
+                var validChars30 = /^S[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{29}$/.test(key);
+                var testBytes = Crypto.SHA256(key + "?", {
+                    asBytes: true
+                });
 
-        return ((testBytes[0] === 0x00 || testBytes[0] === 0x01) && (validChars22 || validChars26 || validChars30));
-    };
+                return ((testBytes[0] === 0x00 || testBytes[0] === 0x01) && (validChars22 || validChars26 || validChars30));
+            };
 
-    return ECKey;
-})();
-//https://raw.github.com/bitcoinjs/bitcoinjs-lib/09e8c6e184d6501a0c2c59d73ca64db5c0d3eb95/src/util.js
-// Bitcoin utility functions
-Bitcoin.Util = {
-    /**
-    * Cross-browser compatibility version of Array.isArray.
-    */
-    isArray: Array.isArray || function (o) {
-        return Object.prototype.toString.call(o) === '[object Array]';
-    },
-    /**
-    * Create an array of a certain length filled with a specific value.
-    */
-    makeFilledArray: function (len, val) {
-        var array = [];
-        var i = 0;
-        while (i < len) {
-            array[i++] = val;
-        }
-        return array;
-    },
-    /**
-    * Turn an integer into a "var_int".
-    *
-    * "var_int" is a variable length integer used by Bitcoin's binary format.
-    *
-    * Returns a byte array.
-    */
-    numToVarInt: function (i) {
-        if (i < 0xfd) {
-            // unsigned char
-            return [i];
-        } else if (i <= 1 << 16) {
-            // unsigned short (LE)
-            return [0xfd, i >>> 8, i & 255];
-        } else if (i <= 1 << 32) {
-            // unsigned int (LE)
-            return [0xfe].concat(Crypto.util.wordsToBytes([i]));
-        } else {
-            // unsigned long long (LE)
-            return [0xff].concat(Crypto.util.wordsToBytes([i >>> 32, i]));
-        }
-    },
-    /**
-    * Parse a Bitcoin value byte array, returning a BigInteger.
-    */
-    valueToBigInt: function (valueBuffer) {
-        if (valueBuffer instanceof BigInteger) return valueBuffer;
+            return ECKey;
+        })();
+        //https://raw.github.com/bitcoinjs/bitcoinjs-lib/09e8c6e184d6501a0c2c59d73ca64db5c0d3eb95/src/util.js
+        // Bitcoin utility functions
+        Bitcoin.Util = {
+            /**
+             * Cross-browser compatibility version of Array.isArray.
+             */
+            isArray: Array.isArray || function(o) {
+                return Object.prototype.toString.call(o) === '[object Array]';
+            },
+            /**
+             * Create an array of a certain length filled with a specific value.
+             */
+            makeFilledArray: function(len, val) {
+                var array = [];
+                var i = 0;
+                while (i < len) {
+                    array[i++] = val;
+                }
+                return array;
+            },
+            /**
+             * Turn an integer into a "var_int".
+             *
+             * "var_int" is a variable length integer used by Bitcoin's binary format.
+             *
+             * Returns a byte array.
+             */
+            numToVarInt: function(i) {
+                if (i < 0xfd) {
+                    // unsigned char
+                    return [i];
+                } else if (i <= 1 << 16) {
+                    // unsigned short (LE)
+                    return [0xfd, i >>> 8, i & 255];
+                } else if (i <= 1 << 32) {
+                    // unsigned int (LE)
+                    return [0xfe].concat(Crypto.util.wordsToBytes([i]));
+                } else {
+                    // unsigned long long (LE)
+                    return [0xff].concat(Crypto.util.wordsToBytes([i >>> 32, i]));
+                }
+            },
+            /**
+             * Parse a Bitcoin value byte array, returning a BigInteger.
+             */
+            valueToBigInt: function(valueBuffer) {
+                if (valueBuffer instanceof BigInteger) return valueBuffer;
 
-        // Prepend zero byte to prevent interpretation as negative integer
-        return BigInteger.fromByteArrayUnsigned(valueBuffer);
-    },
-    /**
-    * Format a Bitcoin value as a string.
-    *
-    * Takes a BigInteger or byte-array and returns that amount of Bitcoins in a
-    * nice standard formatting.
-    *
-    * Examples:
-    * 12.3555
-    * 0.1234
-    * 900.99998888
-    * 34.00
-    */
-    formatValue: function (valueBuffer) {
-        var value = this.valueToBigInt(valueBuffer).toString();
-        var integerPart = value.length > 8 ? value.substr(0, value.length - 8) : '0';
-        var decimalPart = value.length > 8 ? value.substr(value.length - 8) : value;
-        while (decimalPart.length < 8) decimalPart = "0" + decimalPart;
-        decimalPart = decimalPart.replace(/0*$/, '');
-        while (decimalPart.length < 2) decimalPart += "0";
-        return integerPart + "." + decimalPart;
-    },
-    /**
-    * Parse a floating point string as a Bitcoin value.
-    *
-    * Keep in mind that parsing user input is messy. You should always display
-    * the parsed value back to the user to make sure we understood his input
-    * correctly.
-    */
-    parseValue: function (valueString) {
-        // TODO: Detect other number formats (e.g. comma as decimal separator)
-        var valueComp = valueString.split('.');
-        var integralPart = valueComp[0];
-        var fractionalPart = valueComp[1] || "0";
-        while (fractionalPart.length < 8) fractionalPart += "0";
-        fractionalPart = fractionalPart.replace(/^0+/g, '');
-        var value = BigInteger.valueOf(parseInt(integralPart));
-        value = value.multiply(BigInteger.valueOf(100000000));
-        value = value.add(BigInteger.valueOf(parseInt(fractionalPart)));
-        return value;
-    },
-    /**
-    * Calculate RIPEMD160(SHA256(data)).
-    *
-    * Takes an arbitrary byte array as inputs and returns the hash as a byte
-    * array.
-    */
-    sha256ripe160: function (data) {
-        return ripemd160(Crypto.SHA256(data, { asBytes: true }), { asBytes: true });
-    },
-    // double sha256
-    dsha256: function (data) {
-        return Crypto.SHA256(Crypto.SHA256(data, { asBytes: true }), { asBytes: true });
-    },
-    // duck typing method
-    hasMethods: function(obj /*, method list as strings */){
-        var i = 1, methodName;
-        while((methodName = arguments[i++])){
-            if(typeof obj[methodName] != 'function') {
-                return false;
+                // Prepend zero byte to prevent interpretation as negative integer
+                return BigInteger.fromByteArrayUnsigned(valueBuffer);
+            },
+            /**
+             * Format a Bitcoin value as a string.
+             *
+             * Takes a BigInteger or byte-array and returns that amount of Bitcoins in a
+             * nice standard formatting.
+             *
+             * Examples:
+             * 12.3555
+             * 0.1234
+             * 900.99998888
+             * 34.00
+             */
+            formatValue: function(valueBuffer) {
+                var value = this.valueToBigInt(valueBuffer).toString();
+                var integerPart = value.length > 8 ? value.substr(0, value.length - 8) : '0';
+                var decimalPart = value.length > 8 ? value.substr(value.length - 8) : value;
+                while (decimalPart.length < 8) decimalPart = "0" + decimalPart;
+                decimalPart = decimalPart.replace(/0*$/, '');
+                while (decimalPart.length < 2) decimalPart += "0";
+                return integerPart + "." + decimalPart;
+            },
+            /**
+             * Parse a floating point string as a Bitcoin value.
+             *
+             * Keep in mind that parsing user input is messy. You should always display
+             * the parsed value back to the user to make sure we understood his input
+             * correctly.
+             */
+            parseValue: function(valueString) {
+                // TODO: Detect other number formats (e.g. comma as decimal separator)
+                var valueComp = valueString.split('.');
+                var integralPart = valueComp[0];
+                var fractionalPart = valueComp[1] || "0";
+                while (fractionalPart.length < 8) fractionalPart += "0";
+                fractionalPart = fractionalPart.replace(/^0+/g, '');
+                var value = BigInteger.valueOf(parseInt(integralPart));
+                value = value.multiply(BigInteger.valueOf(100000000));
+                value = value.add(BigInteger.valueOf(parseInt(fractionalPart)));
+                return value;
+            },
+            /**
+             * Calculate RIPEMD160(SHA256(data)).
+             *
+             * Takes an arbitrary byte array as inputs and returns the hash as a byte
+             * array.
+             */
+            sha256ripe160: function(data) {
+                return ripemd160(Crypto.SHA256(data, {
+                    asBytes: true
+                }), {
+                    asBytes: true
+                });
+            },
+            // double sha256
+            dsha256: function(data) {
+                return Crypto.SHA256(Crypto.SHA256(data, {
+                    asBytes: true
+                }), {
+                    asBytes: true
+                });
+            },
+            // duck typing method
+            hasMethods: function(obj /*, method list as strings */ ) {
+                var i = 1,
+                    methodName;
+                while ((methodName = arguments[i++])) {
+                    if (typeof obj[methodName] != 'function') {
+                        return false;
+                    }
+                }
+                return true;
             }
-        }
-        return true;
-    }
-};
+        };
+    })(typeof global !== "undefined" ? global : window);
 
-
-    (function (ellipticCurveType) {
+    //ellipticCurveEncryption.js
+    (function(GLOBAL) {
+        (function(ellipticCurveType) {
 
             //Defining Elliptic Encryption Object  
-            var ellipticEncryption = window.ellipticCurveEncryption = function () {};
+            var ellipticEncryption = GLOBAL.ellipticCurveEncryption = function() {};
 
             ellipticEncryption.rng = new SecureRandom();
 
-
-
-            ellipticEncryption.getCurveParameters = function (curveName) {
+            ellipticEncryption.getCurveParameters = function(curveName) {
 
                 //Default is secp256k1
                 curveName = typeof curveName !== 'undefined' ? curveName : "secp256k1";
@@ -6063,45 +5963,38 @@ Bitcoin.Util = {
 
             ellipticEncryption.selectedCurve = ellipticEncryption.getCurveParameters(ellipticCurveType);
 
-
-            ellipticEncryption.get_curve = function () {
+            ellipticEncryption.get_curve = function() {
                 return new EllipticCurve.CurveFp(new BigInteger(this.selectedCurve.Q),
                     new BigInteger(this.selectedCurve.A),
                     new BigInteger(this.selectedCurve.B));
             }
 
-            ellipticEncryption.get_G = function (curve) {
+            ellipticEncryption.get_G = function(curve) {
                 return new EllipticCurve.PointFp(curve,
                     curve.fromBigInteger(new BigInteger(this.selectedCurve.GX)),
                     curve.fromBigInteger(new BigInteger(this.selectedCurve.GY)));
             }
 
-
-            ellipticEncryption.pick_rand = function () {
+            ellipticEncryption.pick_rand = function() {
                 var n = new BigInteger(this.selectedCurve.N);
                 var n1 = n.subtract(BigInteger.ONE);
                 var r = new BigInteger(n.bitLength(), this.rng);
                 return r.mod(n1).add(BigInteger.ONE);
             }
 
-
-            ellipticEncryption.senderRandom = function () {
+            ellipticEncryption.senderRandom = function() {
                 var r = this.pick_rand();
                 return r.toString();
             };
 
-
-
-            ellipticEncryption.receiverRandom = function () {
+            ellipticEncryption.receiverRandom = function() {
 
                 //This is receivers private key. For now we will use random. CHANGE IT LATER
                 var r = this.pick_rand();
                 return r.toString();
             }
 
-
-
-            ellipticEncryption.senderPublicString = function (senderPrivateKey) {
+            ellipticEncryption.senderPublicString = function(senderPrivateKey) {
 
                 var senderKeyECData = {};
 
@@ -6117,7 +6010,7 @@ Bitcoin.Util = {
 
             //In real life ellipticEncryption.receiverPublicString is the public key of the receiver.
             //you don't have to run receiverRandom and the bottom function 
-            ellipticEncryption.receiverPublicString = function (receiverPublicKey) {
+            ellipticEncryption.receiverPublicString = function(receiverPublicKey) {
 
                 var receiverKeyECData = {};
 
@@ -6131,7 +6024,7 @@ Bitcoin.Util = {
                 return receiverKeyECData;
             }
 
-            ellipticEncryption.senderSharedKeyDerivation = function (receiverPublicStringXValue,
+            ellipticEncryption.senderSharedKeyDerivation = function(receiverPublicStringXValue,
                 receiverPublicStringYValue, senderPrivateKey) {
 
                 var senderDerivedKey = {};
@@ -6148,8 +6041,7 @@ Bitcoin.Util = {
                 return senderDerivedKey;
             }
 
-
-            ellipticEncryption.receiverSharedKeyDerivation = function (senderPublicStringXValue,
+            ellipticEncryption.receiverSharedKeyDerivation = function(senderPublicStringXValue,
                 senderPublicStringYValue, receiverPrivateKey) {
 
                 var receiverDerivedKey = {};
@@ -6167,790 +6059,581 @@ Bitcoin.Util = {
             }
 
         })("secp256k1");
+    })(typeof global !== "undefined" ? global : window);
 
+    //secrets.js
+    (function(GLOBAL) {
+        //Shamir Secret Share by Alexander Stetsyuk - released under MIT License
 
-    // secrets.js - by Alexander Stetsyuk - released under MIT License
-    (function (exports, global) {
-            var defaults = {
-                bits: 8, // default number of bits
-                radix: 16, // work with HEX by default
-                minBits: 3,
-                maxBits: 20, // this permits 1,048,575 shares, though going this high is NOT recommended in JS!
+        var SecretShare = GLOBAL.shamirSecretShare = {};
+        var defaults = {
+            bits: 8, // default number of bits
+            radix: 16, // work with HEX by default
+            minBits: 3,
+            maxBits: 20, // this permits 1,048,575 shares, though going this high is NOT recommended in JS!
 
-                bytesPerChar: 2,
-                maxBytesPerChar: 6, // Math.pow(256,7) > Math.pow(2,53)
+            bytesPerChar: 2,
+            maxBytesPerChar: 6, // Math.pow(256,7) > Math.pow(2,53)
 
-                // Primitive polynomials (in decimal form) for Galois Fields GF(2^n), for 2 <= n <= 30
-                // The index of each term in the array corresponds to the n for that polynomial
-                // i.e. to get the polynomial for n=16, use primitivePolynomials[16]
-                primitivePolynomials: [null, null, 1, 3, 3, 5, 3, 3, 29, 17, 9, 5, 83, 27, 43, 3, 45, 9, 39, 39,
-                    9, 5, 3, 33, 27, 9, 71, 39, 9, 5, 83
-                ],
+            // Primitive polynomials (in decimal form) for Galois Fields GF(2^n), for 2 <= n <= 30
+            // The index of each term in the array corresponds to the n for that polynomial
+            // i.e. to get the polynomial for n=16, use primitivePolynomials[16]
+            primitivePolynomials: [null, null, 1, 3, 3, 5, 3, 3, 29, 17, 9, 5, 83, 27, 43, 3, 45, 9, 39, 39,
+                9, 5, 3, 33, 27, 9, 71, 39, 9, 5, 83
+            ],
 
-                // warning for insecure PRNG
-                warning: 'WARNING:\nA secure random number generator was not found.\nUsing Math.random(), which is NOT cryptographically strong!'
+            // warning for insecure PRNG
+            warning: 'WARNING:\nA secure random number generator was not found.\nUsing Math.random(), which is NOT cryptographically strong!'
+        };
+
+        // Protected settings object
+        var config = {};
+
+        /** @expose **/
+        SecretShare.getConfig = function() {
+            return {
+                'bits': config.bits,
+                'unsafePRNG': config.unsafePRNG
             };
+        };
 
-            // Protected settings object
-            var config = {};
+        function init(bits) {
+            if (bits && (typeof bits !== 'number' || bits % 1 !== 0 || bits < defaults.minBits || bits >
+                    defaults.maxBits)) {
+                throw new Error('Number of bits must be an integer between ' + defaults.minBits + ' and ' +
+                    defaults.maxBits + ', inclusive.')
+            }
 
-            /** @expose **/
-            exports.getConfig = function () {
-                return {
-                    'bits': config.bits,
-                    'unsafePRNG': config.unsafePRNG
-                };
-            };
+            config.radix = defaults.radix;
+            config.bits = bits || defaults.bits;
+            config.size = Math.pow(2, config.bits);
+            config.max = config.size - 1;
 
-            function init(bits) {
-                if (bits && (typeof bits !== 'number' || bits % 1 !== 0 || bits < defaults.minBits || bits >
-                        defaults.maxBits)) {
-                    throw new Error('Number of bits must be an integer between ' + defaults.minBits + ' and ' +
-                        defaults.maxBits + ', inclusive.')
+            // Construct the exp and log tables for multiplication.
+            var logs = [],
+                exps = [],
+                x = 1,
+                primitive = defaults.primitivePolynomials[config.bits];
+            for (var i = 0; i < config.size; i++) {
+                exps[i] = x;
+                logs[x] = i;
+                x <<= 1;
+                if (x >= config.size) {
+                    x ^= primitive;
+                    x &= config.max;
                 }
+            }
 
-                config.radix = defaults.radix;
-                config.bits = bits || defaults.bits;
-                config.size = Math.pow(2, config.bits);
-                config.max = config.size - 1;
+            config.logs = logs;
+            config.exps = exps;
+        };
 
-                // Construct the exp and log tables for multiplication.
-                var logs = [],
-                    exps = [],
-                    x = 1,
-                    primitive = defaults.primitivePolynomials[config.bits];
-                for (var i = 0; i < config.size; i++) {
-                    exps[i] = x;
-                    logs[x] = i;
-                    x <<= 1;
-                    if (x >= config.size) {
-                        x ^= primitive;
-                        x &= config.max;
-                    }
+        /** @expose **/
+        SecretShare.init = init;
+
+        function isInited() {
+            if (!config.bits || !config.size || !config.max || !config.logs || !config.exps || config.logs.length !==
+                config.size || config.exps.length !== config.size) {
+                return false;
+            }
+            return true;
+        };
+
+        // Returns a pseudo-random number generator of the form function(bits){}
+        // which should output a random string of 1's and 0's of length `bits`
+        function getRNG() {
+            var randomBits, crypto;
+
+            function construct(bits, arr, radix, size) {
+                var str = '',
+                    i = 0,
+                    len = arr.length - 1;
+                while (i < len || (str.length < bits)) {
+                    str += padLeft(parseInt(arr[i], radix).toString(2), size);
+                    i++;
                 }
-
-                config.logs = logs;
-                config.exps = exps;
-            };
-
-            /** @expose **/
-            exports.init = init;
-
-            function isInited() {
-                if (!config.bits || !config.size || !config.max || !config.logs || !config.exps || config.logs.length !==
-                    config.size || config.exps.length !== config.size) {
-                    return false;
+                str = str.substr(-bits);
+                if ((str.match(/0/g) || []).length === str.length) { // all zeros?
+                    return null;
+                } else {
+                    return str;
                 }
-                return true;
-            };
+            }
 
-            // Returns a pseudo-random number generator of the form function(bits){}
-            // which should output a random string of 1's and 0's of length `bits`
-            function getRNG() {
-                var randomBits, crypto;
-
-                function construct(bits, arr, radix, size) {
-                    var str = '',
-                        i = 0,
-                        len = arr.length - 1;
-                    while (i < len || (str.length < bits)) {
-                        str += padLeft(parseInt(arr[i], radix).toString(2), size);
-                        i++;
-                    }
-                    str = str.substr(-bits);
-                    if ((str.match(/0/g) || []).length === str.length) { // all zeros?
-                        return null;
-                    } else {
-                        return str;
-                    }
-                }
-
-                // node.js crypto.randomBytes()
-                if (typeof require === 'function' && (crypto = require('crypto')) && (randomBits = crypto[
-                        'randomBytes'])) {
-                    return function (bits) {
-                        var bytes = Math.ceil(bits / 8),
-                            str = null;
-
-                        while (str === null) {
-                            str = construct(bits, randomBits(bytes).toString('hex'), 16, 4);
-                        }
-                        return str;
-                    }
-                }
-
-                // browsers with window.crypto.getRandomValues()
-                if (global['crypto'] && typeof global['crypto']['getRandomValues'] === 'function' && typeof global[
-                        'Uint32Array'] === 'function') {
-                    crypto = global['crypto'];
-                    return function (bits) {
-                        var elems = Math.ceil(bits / 32),
-                            str = null,
-                            arr = new global['Uint32Array'](elems);
-
-                        while (str === null) {
-                            crypto['getRandomValues'](arr);
-                            str = construct(bits, arr, 10, 32);
-                        }
-
-                        return str;
-                    }
-                }
-
-                // A totally insecure RNG!!! (except in Safari)
-                // Will produce a warning every time it is called.
-                config.unsafePRNG = true;
-                warn();
-
-                var bitsPerNum = 32;
-                var max = Math.pow(2, bitsPerNum) - 1;
-                return function (bits) {
-                    var elems = Math.ceil(bits / bitsPerNum);
-                    var arr = [],
+            // node.js crypto.randomBytes()
+            if (typeof require === 'function') {
+                return function(bits) {
+                    var bytes = Math.ceil(bits / 8),
                         str = null;
+
                     while (str === null) {
-                        for (var i = 0; i < elems; i++) {
-                            arr[i] = Math.floor(Math.random() * max + 1);
-                        }
-                        str = construct(bits, arr, 10, bitsPerNum);
+                        str = construct(bits, require('crypto').randomBytes(bytes).toString('hex'), 16, 4);
                     }
                     return str;
-                };
-            };
-
-            // Warn about using insecure rng.
-            // Called when Math.random() is being used.
-            function warn() {
-                global['console']['warn'](defaults.warning);
-                if (typeof global['alert'] === 'function' && config.alert) {
-                    global['alert'](defaults.warning);
                 }
             }
 
-            // Set the PRNG to use. If no RNG function is supplied, pick a default using getRNG()
-            /** @expose **/
-            exports.setRNG = function (rng, alert) {
-                if (!isInited()) {
-                    this.init();
+            // browsers with window.crypto.getRandomValues()
+            if (GLOBAL['crypto'] && typeof GLOBAL['crypto']['getRandomValues'] === 'function' && typeof GLOBAL[
+                    'Uint32Array'] === 'function') {
+                crypto = GLOBAL['crypto'];
+                return function(bits) {
+                    var elems = Math.ceil(bits / 32),
+                        str = null,
+                        arr = new GLOBAL['Uint32Array'](elems);
+
+                    while (str === null) {
+                        crypto['getRandomValues'](arr);
+                        str = construct(bits, arr, 10, 32);
+                    }
+
+                    return str;
                 }
-                config.unsafePRNG = false;
-                rng = rng || getRNG();
-
-                // test the RNG (5 times)
-                if (typeof rng !== 'function' || typeof rng(config.bits) !== 'string' || !parseInt(rng(config.bits),
-                        2) || rng(config.bits).length > config.bits || rng(config.bits).length < config.bits) {
-                    throw new Error(
-                        "Random number generator is invalid. Supply an RNG of the form function(bits){} that returns a string containing 'bits' number of random 1's and 0's."
-                    )
-                } else {
-                    config.rng = rng;
-                }
-                config.alert = !!alert;
-
-                return !!config.unsafePRNG;
-            };
-
-            function isSetRNG() {
-                return typeof config.rng === 'function';
-            };
-
-            // Generates a random bits-length number string using the PRNG
-            /** @expose **/
-            exports.random = function (bits) {
-                if (!isSetRNG()) {
-                    this.setRNG();
-                }
-
-                if (typeof bits !== 'number' || bits % 1 !== 0 || bits < 2) {
-                    throw new Error('Number of bits must be an integer greater than 1.')
-                }
-
-                if (config.unsafePRNG) {
-                    warn();
-                }
-                return bin2hex(config.rng(bits));
             }
 
-            // Divides a `secret` number String str expressed in radix `inputRadix` (optional, default 16)
-            // into `numShares` shares, each expressed in radix `outputRadix` (optional, default to `inputRadix`),
-            // requiring `threshold` number of shares to reconstruct the secret.
-            // Optionally, zero-pads the secret to a length that is a multiple of padLength before sharing.
-            /** @expose **/
-            exports.share = function (secret, numShares, threshold, padLength, withoutPrefix) {
-                if (!isInited()) {
-                    this.init();
-                }
-                if (!isSetRNG()) {
-                    this.setRNG();
-                }
+            // A totally insecure RNG!!! (except in Safari)
+            // Will produce a warning every time it is called.
+            config.unsafePRNG = true;
+            warn();
 
-                padLength = padLength || 0;
-
-                if (typeof secret !== 'string') {
-                    throw new Error('Secret must be a string.');
-                }
-                if (typeof numShares !== 'number' || numShares % 1 !== 0 || numShares < 2) {
-                    throw new Error('Number of shares must be an integer between 2 and 2^bits-1 (' + config.max +
-                        '), inclusive.')
-                }
-                if (numShares > config.max) {
-                    var neededBits = Math.ceil(Math.log(numShares + 1) / Math.LN2);
-                    throw new Error('Number of shares must be an integer between 2 and 2^bits-1 (' + config.max +
-                        '), inclusive. To create ' + numShares + ' shares, use at least ' + neededBits +
-                        ' bits.')
-                }
-                if (typeof threshold !== 'number' || threshold % 1 !== 0 || threshold < 2) {
-                    throw new Error('Threshold number of shares must be an integer between 2 and 2^bits-1 (' +
-                        config.max + '), inclusive.');
-                }
-                if (threshold > config.max) {
-                    var neededBits = Math.ceil(Math.log(threshold + 1) / Math.LN2);
-                    throw new Error('Threshold number of shares must be an integer between 2 and 2^bits-1 (' +
-                        config.max + '), inclusive.  To use a threshold of ' + threshold +
-                        ', use at least ' + neededBits + ' bits.');
-                }
-                if (typeof padLength !== 'number' || padLength % 1 !== 0) {
-                    throw new Error('Zero-pad length must be an integer greater than 1.');
-                }
-
-                if (config.unsafePRNG) {
-                    warn();
-                }
-
-                secret = '1' + hex2bin(secret); // append a 1 so that we can preserve the correct number of leading zeros in our secret
-                secret = split(secret, padLength);
-                var x = new Array(numShares),
-                    y = new Array(numShares);
-                for (var i = 0, len = secret.length; i < len; i++) {
-                    var subShares = this._getShares(secret[i], numShares, threshold);
-                    for (var j = 0; j < numShares; j++) {
-                        x[j] = x[j] || subShares[j].x.toString(config.radix);
-                        y[j] = padLeft(subShares[j].y.toString(2)) + (y[j] ? y[j] : '');
+            var bitsPerNum = 32;
+            var max = Math.pow(2, bitsPerNum) - 1;
+            return function(bits) {
+                var elems = Math.ceil(bits / bitsPerNum);
+                var arr = [],
+                    str = null;
+                while (str === null) {
+                    for (var i = 0; i < elems; i++) {
+                        arr[i] = Math.floor(Math.random() * max + 1);
                     }
+                    str = construct(bits, arr, 10, bitsPerNum);
                 }
-                var padding = config.max.toString(config.radix).length;
-                if (withoutPrefix) {
-                    for (var i = 0; i < numShares; i++) {
-                        x[i] = bin2hex(y[i]);
-                    }
-                } else {
-                    for (var i = 0; i < numShares; i++) {
-                        x[i] = config.bits.toString(36).toUpperCase() + padLeft(x[i], padding) + bin2hex(y[i]);
-                    }
-                }
-
-                return x;
+                return str;
             };
-
-            // This is the basic polynomial generation and evaluation function
-            // for a `config.bits`-length secret (NOT an arbitrary length)
-            // Note: no error-checking at this stage! If `secrets` is NOT
-            // a NUMBER less than 2^bits-1, the output will be incorrect!
-            /** @expose **/
-            exports._getShares = function (secret, numShares, threshold) {
-                var shares = [];
-                var coeffs = [secret];
-
-                for (var i = 1; i < threshold; i++) {
-                    coeffs[i] = parseInt(config.rng(config.bits), 2);
-                }
-                for (var i = 1, len = numShares + 1; i < len; i++) {
-                    shares[i - 1] = {
-                        x: i,
-                        y: horner(i, coeffs)
-                    }
-                }
-                return shares;
-            };
-
-            // Polynomial evaluation at `x` using Horner's Method
-            // TODO: this can possibly be sped up using other methods
-            // NOTE: fx=fx * x + coeff[i] ->  exp(log(fx) + log(x)) + coeff[i],
-            //       so if fx===0, just set fx to coeff[i] because
-            //       using the exp/log form will result in incorrect value
-            function horner(x, coeffs) {
-                var logx = config.logs[x];
-                var fx = 0;
-                for (var i = coeffs.length - 1; i >= 0; i--) {
-                    if (fx === 0) {
-                        fx = coeffs[i];
-                        continue;
-                    }
-                    fx = config.exps[(logx + config.logs[fx]) % config.max] ^ coeffs[i];
-                }
-                return fx;
-            };
-
-            function inArray(arr, val) {
-                for (var i = 0, len = arr.length; i < len; i++) {
-                    if (arr[i] === val) {
-                        return true;
-                    }
-                }
-                return false;
-            };
-
-            function processShare(share) {
-
-                var bits = parseInt(share[0], 36);
-                if (bits && (typeof bits !== 'number' || bits % 1 !== 0 || bits < defaults.minBits || bits >
-                        defaults.maxBits)) {
-                    throw new Error('Number of bits must be an integer between ' + defaults.minBits + ' and ' +
-                        defaults.maxBits + ', inclusive.')
-                }
-
-                var max = Math.pow(2, bits) - 1;
-                var idLength = max.toString(config.radix).length;
-
-                var id = parseInt(share.substr(1, idLength), config.radix);
-                if (typeof id !== 'number' || id % 1 !== 0 || id < 1 || id > max) {
-                    throw new Error('Share id must be an integer between 1 and ' + config.max + ', inclusive.');
-                }
-                share = share.substr(idLength + 1);
-                if (!share.length) {
-                    throw new Error('Invalid share: zero-length share.')
-                }
-                return {
-                    'bits': bits,
-                    'id': id,
-                    'value': share
-                };
-            };
-
-            /** @expose **/
-            exports._processShare = processShare;
-
-            // Protected method that evaluates the Lagrange interpolation
-            // polynomial at x=`at` for individual config.bits-length
-            // segments of each share in the `shares` Array.
-            // Each share is expressed in base `inputRadix`. The output
-            // is expressed in base `outputRadix'
-            function combine(at, shares) {
-                var setBits, share, x = [],
-                    y = [],
-                    result = '',
-                    idx;
-
-                for (var i = 0, len = shares.length; i < len; i++) {
-                    share = processShare(shares[i]);
-                    if (typeof setBits === 'undefined') {
-                        setBits = share['bits'];
-                    } else if (share['bits'] !== setBits) {
-                        throw new Error('Mismatched shares: Different bit settings.')
-                    }
-
-                    if (config.bits !== setBits) {
-                        init(setBits);
-                    }
-
-                    if (inArray(x, share['id'])) { // repeated x value?
-                        continue;
-                    }
-
-                    idx = x.push(share['id']) - 1;
-                    share = split(hex2bin(share['value']));
-                    for (var j = 0, len2 = share.length; j < len2; j++) {
-                        y[j] = y[j] || [];
-                        y[j][idx] = share[j];
-                    }
-                }
-
-                for (var i = 0, len = y.length; i < len; i++) {
-                    result = padLeft(lagrange(at, x, y[i]).toString(2)) + result;
-                }
-
-                if (at === 0) { // reconstructing the secret
-                    var idx = result.indexOf('1'); //find the first 1
-                    return bin2hex(result.slice(idx + 1));
-                } else { // generating a new share
-                    return bin2hex(result);
-                }
-            };
-
-            // Combine `shares` Array into the original secret
-            /** @expose **/
-            exports.combine = function (shares) {
-                return combine(0, shares);
-            };
-
-            // Generate a new share with id `id` (a number between 1 and 2^bits-1)
-            // `id` can be a Number or a String in the default radix (16)
-            /** @expose **/
-            exports.newShare = function (id, shares) {
-                if (typeof id === 'string') {
-                    id = parseInt(id, config.radix);
-                }
-
-                var share = processShare(shares[0]);
-                var max = Math.pow(2, share['bits']) - 1;
-
-                if (typeof id !== 'number' || id % 1 !== 0 || id < 1 || id > max) {
-                    throw new Error('Share id must be an integer between 1 and ' + config.max + ', inclusive.');
-                }
-
-                var padding = max.toString(config.radix).length;
-                return config.bits.toString(36).toUpperCase() + padLeft(id.toString(config.radix), padding) +
-                    combine(id, shares);
-            };
-
-            // Evaluate the Lagrange interpolation polynomial at x = `at`
-            // using x and y Arrays that are of the same length, with
-            // corresponding elements constituting points on the polynomial.
-            function lagrange(at, x, y) {
-                var sum = 0,
-                    product,
-                    i, j;
-
-                for (var i = 0, len = x.length; i < len; i++) {
-                    if (!y[i]) {
-                        continue;
-                    }
-
-                    product = config.logs[y[i]];
-                    for (var j = 0; j < len; j++) {
-                        if (i === j) {
-                            continue;
-                        }
-                        if (at === x[j]) { // happens when computing a share that is in the list of shares used to compute it
-                            product = -1; // fix for a zero product term, after which the sum should be sum^0 = sum, not sum^1
-                            break;
-                        }
-                        product = (product + config.logs[at ^ x[j]] - config.logs[x[i] ^ x[j]] + config.max /* to make sure it's not negative */ ) %
-                            config.max;
-                    }
-
-                    sum = product === -1 ? sum : sum ^ config.exps[product]; // though exps[-1]= undefined and undefined ^ anything = anything in chrome, this behavior may not hold everywhere, so do the check
-                }
-                return sum;
-            };
-
-            /** @expose **/
-            exports._lagrange = lagrange;
-
-            // Splits a number string `bits`-length segments, after first
-            // optionally zero-padding it to a length that is a multiple of `padLength.
-            // Returns array of integers (each less than 2^bits-1), with each element
-            // representing a `bits`-length segment of the input string from right to left,
-            // i.e. parts[0] represents the right-most `bits`-length segment of the input string.
-            function split(str, padLength) {
-                if (padLength) {
-                    str = padLeft(str, padLength)
-                }
-                var parts = [];
-                for (var i = str.length; i > config.bits; i -= config.bits) {
-                    parts.push(parseInt(str.slice(i - config.bits, i), 2));
-                }
-                parts.push(parseInt(str.slice(0, i), 2));
-                return parts;
-            };
-
-            // Pads a string `str` with zeros on the left so that its length is a multiple of `bits`
-            function padLeft(str, bits) {
-                bits = bits || config.bits
-                var missing = str.length % bits;
-                return (missing ? new Array(bits - missing + 1).join('0') : '') + str;
-            };
-
-            function hex2bin(str) {
-                var bin = '',
-                    num;
-                for (var i = str.length - 1; i >= 0; i--) {
-                    num = parseInt(str[i], 16)
-                    if (isNaN(num)) {
-                        throw new Error('Invalid hex character.')
-                    }
-                    bin = padLeft(num.toString(2), 4) + bin;
-                }
-                return bin;
-            }
-
-            function bin2hex(str) {
-                var hex = '',
-                    num;
-                str = padLeft(str, 4);
-                for (var i = str.length; i >= 4; i -= 4) {
-                    num = parseInt(str.slice(i - 4, i), 2);
-                    if (isNaN(num)) {
-                        throw new Error('Invalid binary character.')
-                    }
-                    hex = num.toString(16) + hex;
-                }
-                return hex;
-            }
-
-            // Converts a given UTF16 character string to the HEX representation.
-            // Each character of the input string is represented by
-            // `bytesPerChar` bytes in the output string.
-            /** @expose **/
-            exports.str2hex = function (str, bytesPerChar) {
-                if (typeof str !== 'string') {
-                    throw new Error('Input must be a character string.');
-                }
-                bytesPerChar = bytesPerChar || defaults.bytesPerChar;
-
-                if (typeof bytesPerChar !== 'number' || bytesPerChar % 1 !== 0 || bytesPerChar < 1 ||
-                    bytesPerChar > defaults.maxBytesPerChar) {
-                    throw new Error('Bytes per character must be an integer between 1 and ' + defaults.maxBytesPerChar +
-                        ', inclusive.')
-                }
-
-                var hexChars = 2 * bytesPerChar;
-                var max = Math.pow(16, hexChars) - 1;
-                var out = '',
-                    num;
-                for (var i = 0, len = str.length; i < len; i++) {
-                    num = str[i].charCodeAt();
-                    if (isNaN(num)) {
-                        throw new Error('Invalid character: ' + str[i]);
-                    } else if (num > max) {
-                        var neededBytes = Math.ceil(Math.log(num + 1) / Math.log(256));
-                        throw new Error('Invalid character code (' + num +
-                            '). Maximum allowable is 256^bytes-1 (' + max +
-                            '). To convert this character, use at least ' + neededBytes + ' bytes.')
-                    } else {
-                        out = padLeft(num.toString(16), hexChars) + out;
-                    }
-                }
-                return out;
-            };
-
-            // Converts a given HEX number string to a UTF16 character string.
-            /** @expose **/
-            exports.hex2str = function (str, bytesPerChar) {
-                if (typeof str !== 'string') {
-                    throw new Error('Input must be a hexadecimal string.');
-                }
-                bytesPerChar = bytesPerChar || defaults.bytesPerChar;
-
-                if (typeof bytesPerChar !== 'number' || bytesPerChar % 1 !== 0 || bytesPerChar < 1 ||
-                    bytesPerChar > defaults.maxBytesPerChar) {
-                    throw new Error('Bytes per character must be an integer between 1 and ' + defaults.maxBytesPerChar +
-                        ', inclusive.')
-                }
-
-                var hexChars = 2 * bytesPerChar;
-                var out = '';
-                str = padLeft(str, hexChars);
-                for (var i = 0, len = str.length; i < len; i += hexChars) {
-                    out = String.fromCharCode(parseInt(str.slice(i, i + hexChars), 16)) + out;
-                }
-                return out;
-            };
-
-            // by default, initialize without an RNG
-            exports.init();
-        })(typeof module !== 'undefined' && module['exports'] ? module['exports'] : (window['shamirSecretShare'] = {}),
-            typeof global !== 'undefined' ? global : window);
-
-        //For diff base
-    /*
-    Functions available:
-    diff(originalObj, updatedObj) returns the difference of the original and updated objects
-    addedDiff(original, updatedObj) returns only the values added to the updated object
-    deletedDiff(original, updatedObj) returns only the values deleted in the updated object
-    updatedDiff(original, updatedObj) returns only the values that have been changed in the updated object
-    findDiff(original, updatedObj) returns an object with the added, deleted and updated differences  
-    mergeRecursive(original, diff) returns a new object that will merge difference to old object
-    mergeDiff(original, allDiff) returns a new object from original object merged with all differences (allDiff is returned object of findDiff)
-    */
-(function(){
-    const isDate = d => d instanceof Date;
-    const isEmpty = o => Object.keys(o).length === 0;
-    const isObject = o => o != null && typeof o === 'object';
-    const properObject = o => isObject(o) && !o.hasOwnProperty ? { ...o } : o;    
-    const getLargerArray = (l, r) => l.length > r.length ? l : r;
-
-    const preserve = (diff, left, right) => {
-      if (!isObject(diff)) return diff;
-      return Object.keys(diff).reduce((acc, key) => {
-        const leftArray = left[key];
-        const rightArray = right[key];
-        if (Array.isArray(leftArray) && Array.isArray(rightArray)) {
-          const array = [...getLargerArray(leftArray, rightArray)];
-          return {
-            ...acc,
-            [key]: array.reduce((acc2, item, index) => {
-              if (diff[key].hasOwnProperty(index)) {
-                acc2[index] = preserve(diff[key][index], leftArray[index], rightArray[index]); // diff recurse and check for nested arrays
-                return acc2;
-              }
-              delete acc2[index]; // no diff aka empty
-              return acc2;
-            }, array)
-          };
-        }
-        return {
-          ...acc,
-          [key]: diff[key]
         };
-      }, {});
-    };
-    
-    const updatedDiff = (lhs, rhs) => {
-      if (lhs === rhs) return {};
-      if (!isObject(lhs) || !isObject(rhs)) return rhs;
-      const l = properObject(lhs);
-      const r = properObject(rhs);
-      if (isDate(l) || isDate(r)) {
-        if (l.valueOf() == r.valueOf()) return {};
-        return r;
-      }
-      return Object.keys(r).reduce((acc, key) => {
-        if (l.hasOwnProperty(key)) {
-          const difference = updatedDiff(l[key], r[key]);
-          if (isObject(difference) && isEmpty(difference) && !isDate(difference)) return acc;
-          return { ...acc, [key]: difference };
-        }
-        return acc;
-      }, {});
-    };
-    
-    
-    const diff = (lhs, rhs) => {
-      if (lhs === rhs) return {}; // equal return no diff
-      if (!isObject(lhs) || !isObject(rhs)) return rhs; // return updated rhs
-      const l = properObject(lhs);
-      const r = properObject(rhs);
-      const deletedValues = Object.keys(l).reduce((acc, key) => {
-        return r.hasOwnProperty(key) ? acc : { ...acc, [key]: null };
-      }, {});
-      if (isDate(l) || isDate(r)) {
-        if (l.valueOf() == r.valueOf()) return {};
-        return r;
-      }
-      return Object.keys(r).reduce((acc, key) => {
-        if (!l.hasOwnProperty(key)) return { ...acc, [key]: r[key] }; // return added r key
-        const difference = diff(l[key], r[key]);
-        if (isObject(difference) && isEmpty(difference) && !isDate(difference)) return acc; // return no diff
-        return { ...acc, [key]: difference }; // return updated key
-      }, deletedValues);
-    };
-    
-    const addedDiff = (lhs, rhs) => {
-      if (lhs === rhs || !isObject(lhs) || !isObject(rhs)) return {};
-      const l = properObject(lhs);
-      const r = properObject(rhs);
-      return Object.keys(r).reduce((acc, key) => {
-        if (l.hasOwnProperty(key)) {
-          const difference = addedDiff(l[key], r[key]);
-          if (isObject(difference) && isEmpty(difference)) return acc;
-          return { ...acc, [key]: difference };
-        }
-        return { ...acc, [key]: r[key] };
-      }, {});
-    };
-    
-    const arrayDiff = (lhs, rhs) => {
-      if (lhs === rhs) return {}; // equal return no diff
-      if (!isObject(lhs) || !isObject(rhs)) return rhs; // return updated rhs
-      const l = properObject(lhs);
-      const r = properObject(rhs);
-      const deletedValues = Object.keys(l).reduce((acc, key) => {
-        return r.hasOwnProperty(key) ? acc : { ...acc, [key]: null };
-      }, {});
-      if (isDate(l) || isDate(r)) {
-        if (l.valueOf() == r.valueOf()) return {};
-        return r;
-      }
-      if (Array.isArray(r) && Array.isArray(l)) {
-        const deletedValues = l.reduce((acc, item, index) => {
-          return r.hasOwnProperty(index) ? acc.concat(item) : acc.concat(null);
-        }, []);
-        return r.reduce((acc, rightItem, index) => {
-          if (!deletedValues.hasOwnProperty(index)) {
-            return acc.concat(rightItem);
-          }
-          const leftItem = l[index];
-          const difference = diff(rightItem, leftItem);
-          if (isObject(difference) && isEmpty(difference) && !isDate(difference)) {
-            delete acc[index];
-            return acc; // return no diff
-          }
-          return acc.slice(0, index).concat(rightItem).concat(acc.slice(index + 1)); // return updated key
-        }, deletedValues);
-      }
-    
-      return Object.keys(r).reduce((acc, key) => {
-        if (!l.hasOwnProperty(key)) return { ...acc, [key]: r[key] }; // return added r key
-        const difference = diff(l[key], r[key]);
-        if (isObject(difference) && isEmpty(difference) && !isDate(difference)) return acc; // return no diff
-        return { ...acc, [key]: difference }; // return updated key
-      }, deletedValues);
-    };
-    
-    const deletedDiff = (lhs, rhs) => {
-      if (lhs === rhs || !isObject(lhs) || !isObject(rhs)) return {};
-      const l = properObject(lhs);
-      const r = properObject(rhs);
-      return Object.keys(l).reduce((acc, key) => {
-        if (r.hasOwnProperty(key)) {
-          const difference = deletedDiff(l[key], r[key]);
-          if (isObject(difference) && isEmpty(difference)) return acc;
-          return { ...acc, [key]: difference };
-        }
-        return { ...acc, [key]: null };
-      }, {});
-    };
-    window.findDiff = (lhs, rhs) => ({
-      added: addedDiff(lhs, rhs),
-      deleted: deletedDiff(lhs, rhs),
-      updated: updatedDiff(lhs, rhs),
-    });
-    
-    const mergeRecursive = (obj1, obj2) => {
-        for (var p in obj2) {
-            try {
-                if(obj2[p].constructor == Object) 
-                    obj1[p] = mergeRecursive(obj1[p], obj2[p]);
-                // Property in destination object set; update its value.
-                else if (Ext.isArray(obj2[p])) {
-                    // obj1[p] = [];
-                    if (obj2[p].length < 1) 
-                        obj1[p] = obj2[p];
-                    else 
-                        obj1[p] = mergeRecursive(obj1[p], obj2[p]);
-                }else
-                    obj1[p] = obj2[p];
-            } catch (e) {
-                // Property in destination object not set; create it and set its value.
-                obj1[p] = obj2[p];
+
+        // Warn about using insecure rng.
+        // Called when Math.random() is being used.
+        function warn() {
+            GLOBAL['console']['warn'](defaults.warning);
+            if (typeof GLOBAL['alert'] === 'function' && config.alert) {
+                GLOBAL['alert'](defaults.warning);
             }
         }
-        return obj1;
-    }
-    
-    const cleanse = (obj) => {
-        Object.keys(obj).forEach(key => {
-            var value = obj[key];
-            if (typeof value === "object" && value !== null) {
-                // Recurse...
-                cleanse(value);
-                // ...and remove if now "empty" (NOTE: insert your definition of "empty" here)
-                //if (!Object.keys(value).length) 
-                  //  delete obj[key];
+
+        // Set the PRNG to use. If no RNG function is supplied, pick a default using getRNG()
+        /** @expose **/
+        SecretShare.setRNG = function(rng, alert) {
+            if (!isInited()) {
+                this.init();
             }
-            else if (value === null) 
-                delete obj[key];// null, remove it
-        });
-        if(obj.constructor.toString().indexOf("Array") != -1)  {obj = obj.filter(function (el) {
-            return el != null;
-        });}
-        return obj; 
-    }
-    
-    /*obj is original object or array, diff is the output of findDiff */
-    window.mergeDiff = (obj, diff) => {
-      if(Object.keys(diff.updated).length !== 0)
-        obj = mergeRecursive(obj, diff.updated)
-      if(Object.keys(diff.deleted).length !== 0){
-        obj = mergeRecursive(obj, diff.deleted)
-        obj = cleanse(obj)
-      }
-      if(Object.keys(diff.added).length !== 0)
-        obj = mergeRecursive(obj, diff.added)
-        return obj
-    }
-})();
+            config.unsafePRNG = false;
+            rng = rng || getRNG();
+
+            // test the RNG (5 times)
+            if (typeof rng !== 'function' || typeof rng(config.bits) !== 'string' || !parseInt(rng(config.bits),
+                    2) || rng(config.bits).length > config.bits || rng(config.bits).length < config.bits) {
+                throw new Error(
+                    "Random number generator is invalid. Supply an RNG of the form function(bits){} that returns a string containing 'bits' number of random 1's and 0's."
+                )
+            } else {
+                config.rng = rng;
+            }
+            config.alert = !!alert;
+
+            return !!config.unsafePRNG;
+        };
+
+        function isSetRNG() {
+            return typeof config.rng === 'function';
+        };
+
+        // Generates a random bits-length number string using the PRNG
+        /** @expose **/
+        SecretShare.random = function(bits) {
+            if (!isSetRNG()) {
+                this.setRNG();
+            }
+
+            if (typeof bits !== 'number' || bits % 1 !== 0 || bits < 2) {
+                throw new Error('Number of bits must be an integer greater than 1.')
+            }
+
+            if (config.unsafePRNG) {
+                warn();
+            }
+            return bin2hex(config.rng(bits));
+        }
+
+        // Divides a `secret` number String str expressed in radix `inputRadix` (optional, default 16)
+        // into `numShares` shares, each expressed in radix `outputRadix` (optional, default to `inputRadix`),
+        // requiring `threshold` number of shares to reconstruct the secret.
+        // Optionally, zero-pads the secret to a length that is a multiple of padLength before sharing.
+        /** @expose **/
+        SecretShare.share = function(secret, numShares, threshold, padLength, withoutPrefix) {
+            if (!isInited()) {
+                this.init();
+            }
+            if (!isSetRNG()) {
+                this.setRNG();
+            }
+
+            padLength = padLength || 0;
+
+            if (typeof secret !== 'string') {
+                throw new Error('Secret must be a string.');
+            }
+            if (typeof numShares !== 'number' || numShares % 1 !== 0 || numShares < 2) {
+                throw new Error('Number of shares must be an integer between 2 and 2^bits-1 (' + config.max +
+                    '), inclusive.')
+            }
+            if (numShares > config.max) {
+                var neededBits = Math.ceil(Math.log(numShares + 1) / Math.LN2);
+                throw new Error('Number of shares must be an integer between 2 and 2^bits-1 (' + config.max +
+                    '), inclusive. To create ' + numShares + ' shares, use at least ' + neededBits +
+                    ' bits.')
+            }
+            if (typeof threshold !== 'number' || threshold % 1 !== 0 || threshold < 2) {
+                throw new Error('Threshold number of shares must be an integer between 2 and 2^bits-1 (' +
+                    config.max + '), inclusive.');
+            }
+            if (threshold > config.max) {
+                var neededBits = Math.ceil(Math.log(threshold + 1) / Math.LN2);
+                throw new Error('Threshold number of shares must be an integer between 2 and 2^bits-1 (' +
+                    config.max + '), inclusive.  To use a threshold of ' + threshold +
+                    ', use at least ' + neededBits + ' bits.');
+            }
+            if (typeof padLength !== 'number' || padLength % 1 !== 0) {
+                throw new Error('Zero-pad length must be an integer greater than 1.');
+            }
+
+            if (config.unsafePRNG) {
+                warn();
+            }
+
+            secret = '1' + hex2bin(secret); // append a 1 so that we can preserve the correct number of leading zeros in our secret
+            secret = split(secret, padLength);
+            var x = new Array(numShares),
+                y = new Array(numShares);
+            for (var i = 0, len = secret.length; i < len; i++) {
+                var subShares = this._getShares(secret[i], numShares, threshold);
+                for (var j = 0; j < numShares; j++) {
+                    x[j] = x[j] || subShares[j].x.toString(config.radix);
+                    y[j] = padLeft(subShares[j].y.toString(2)) + (y[j] ? y[j] : '');
+                }
+            }
+            var padding = config.max.toString(config.radix).length;
+            if (withoutPrefix) {
+                for (var i = 0; i < numShares; i++) {
+                    x[i] = bin2hex(y[i]);
+                }
+            } else {
+                for (var i = 0; i < numShares; i++) {
+                    x[i] = config.bits.toString(36).toUpperCase() + padLeft(x[i], padding) + bin2hex(y[i]);
+                }
+            }
+
+            return x;
+        };
+
+        // This is the basic polynomial generation and evaluation function
+        // for a `config.bits`-length secret (NOT an arbitrary length)
+        // Note: no error-checking at this stage! If `secrets` is NOT
+        // a NUMBER less than 2^bits-1, the output will be incorrect!
+        /** @expose **/
+        SecretShare._getShares = function(secret, numShares, threshold) {
+            var shares = [];
+            var coeffs = [secret];
+
+            for (var i = 1; i < threshold; i++) {
+                coeffs[i] = parseInt(config.rng(config.bits), 2);
+            }
+            for (var i = 1, len = numShares + 1; i < len; i++) {
+                shares[i - 1] = {
+                    x: i,
+                    y: horner(i, coeffs)
+                }
+            }
+            return shares;
+        };
+
+        // Polynomial evaluation at `x` using Horner's Method
+        // TODO: this can possibly be sped up using other methods
+        // NOTE: fx=fx * x + coeff[i] ->  exp(log(fx) + log(x)) + coeff[i],
+        //       so if fx===0, just set fx to coeff[i] because
+        //       using the exp/log form will result in incorrect value
+        function horner(x, coeffs) {
+            var logx = config.logs[x];
+            var fx = 0;
+            for (var i = coeffs.length - 1; i >= 0; i--) {
+                if (fx === 0) {
+                    fx = coeffs[i];
+                    continue;
+                }
+                fx = config.exps[(logx + config.logs[fx]) % config.max] ^ coeffs[i];
+            }
+            return fx;
+        };
+
+        function inArray(arr, val) {
+            for (var i = 0, len = arr.length; i < len; i++) {
+                if (arr[i] === val) {
+                    return true;
+                }
+            }
+            return false;
+        };
+
+        function processShare(share) {
+
+            var bits = parseInt(share[0], 36);
+            if (bits && (typeof bits !== 'number' || bits % 1 !== 0 || bits < defaults.minBits || bits >
+                    defaults.maxBits)) {
+                throw new Error('Number of bits must be an integer between ' + defaults.minBits + ' and ' +
+                    defaults.maxBits + ', inclusive.')
+            }
+
+            var max = Math.pow(2, bits) - 1;
+            var idLength = max.toString(config.radix).length;
+
+            var id = parseInt(share.substr(1, idLength), config.radix);
+            if (typeof id !== 'number' || id % 1 !== 0 || id < 1 || id > max) {
+                throw new Error('Share id must be an integer between 1 and ' + config.max + ', inclusive.');
+            }
+            share = share.substr(idLength + 1);
+            if (!share.length) {
+                throw new Error('Invalid share: zero-length share.')
+            }
+            return {
+                'bits': bits,
+                'id': id,
+                'value': share
+            };
+        };
+
+        /** @expose **/
+        SecretShare._processShare = processShare;
+
+        // Protected method that evaluates the Lagrange interpolation
+        // polynomial at x=`at` for individual config.bits-length
+        // segments of each share in the `shares` Array.
+        // Each share is expressed in base `inputRadix`. The output
+        // is expressed in base `outputRadix'
+        function combine(at, shares) {
+            var setBits, share, x = [],
+                y = [],
+                result = '',
+                idx;
+
+            for (var i = 0, len = shares.length; i < len; i++) {
+                share = processShare(shares[i]);
+                if (typeof setBits === 'undefined') {
+                    setBits = share['bits'];
+                } else if (share['bits'] !== setBits) {
+                    throw new Error('Mismatched shares: Different bit settings.')
+                }
+
+                if (config.bits !== setBits) {
+                    init(setBits);
+                }
+
+                if (inArray(x, share['id'])) { // repeated x value?
+                    continue;
+                }
+
+                idx = x.push(share['id']) - 1;
+                share = split(hex2bin(share['value']));
+                for (var j = 0, len2 = share.length; j < len2; j++) {
+                    y[j] = y[j] || [];
+                    y[j][idx] = share[j];
+                }
+            }
+
+            for (var i = 0, len = y.length; i < len; i++) {
+                result = padLeft(lagrange(at, x, y[i]).toString(2)) + result;
+            }
+
+            if (at === 0) { // reconstructing the secret
+                var idx = result.indexOf('1'); //find the first 1
+                return bin2hex(result.slice(idx + 1));
+            } else { // generating a new share
+                return bin2hex(result);
+            }
+        };
+
+        // Combine `shares` Array into the original secret
+        /** @expose **/
+        SecretShare.combine = function(shares) {
+            return combine(0, shares);
+        };
+
+        // Generate a new share with id `id` (a number between 1 and 2^bits-1)
+        // `id` can be a Number or a String in the default radix (16)
+        /** @expose **/
+        SecretShare.newShare = function(id, shares) {
+            if (typeof id === 'string') {
+                id = parseInt(id, config.radix);
+            }
+
+            var share = processShare(shares[0]);
+            var max = Math.pow(2, share['bits']) - 1;
+
+            if (typeof id !== 'number' || id % 1 !== 0 || id < 1 || id > max) {
+                throw new Error('Share id must be an integer between 1 and ' + config.max + ', inclusive.');
+            }
+
+            var padding = max.toString(config.radix).length;
+            return config.bits.toString(36).toUpperCase() + padLeft(id.toString(config.radix), padding) +
+                combine(id, shares);
+        };
+
+        // Evaluate the Lagrange interpolation polynomial at x = `at`
+        // using x and y Arrays that are of the same length, with
+        // corresponding elements constituting points on the polynomial.
+        function lagrange(at, x, y) {
+            var sum = 0,
+                product,
+                i, j;
+
+            for (var i = 0, len = x.length; i < len; i++) {
+                if (!y[i]) {
+                    continue;
+                }
+
+                product = config.logs[y[i]];
+                for (var j = 0; j < len; j++) {
+                    if (i === j) {
+                        continue;
+                    }
+                    if (at === x[j]) { // happens when computing a share that is in the list of shares used to compute it
+                        product = -1; // fix for a zero product term, after which the sum should be sum^0 = sum, not sum^1
+                        break;
+                    }
+                    product = (product + config.logs[at ^ x[j]] - config.logs[x[i] ^ x[j]] + config.max /* to make sure it's not negative */ ) %
+                        config.max;
+                }
+
+                sum = product === -1 ? sum : sum ^ config.exps[product]; // though exps[-1]= undefined and undefined ^ anything = anything in chrome, this behavior may not hold everywhere, so do the check
+            }
+            return sum;
+        };
+
+        /** @expose **/
+        SecretShare._lagrange = lagrange;
+
+        // Splits a number string `bits`-length segments, after first
+        // optionally zero-padding it to a length that is a multiple of `padLength.
+        // Returns array of integers (each less than 2^bits-1), with each element
+        // representing a `bits`-length segment of the input string from right to left,
+        // i.e. parts[0] represents the right-most `bits`-length segment of the input string.
+        function split(str, padLength) {
+            if (padLength) {
+                str = padLeft(str, padLength)
+            }
+            var parts = [];
+            for (var i = str.length; i > config.bits; i -= config.bits) {
+                parts.push(parseInt(str.slice(i - config.bits, i), 2));
+            }
+            parts.push(parseInt(str.slice(0, i), 2));
+            return parts;
+        };
+
+        // Pads a string `str` with zeros on the left so that its length is a multiple of `bits`
+        function padLeft(str, bits) {
+            bits = bits || config.bits
+            var missing = str.length % bits;
+            return (missing ? new Array(bits - missing + 1).join('0') : '') + str;
+        };
+
+        function hex2bin(str) {
+            var bin = '',
+                num;
+            for (var i = str.length - 1; i >= 0; i--) {
+                num = parseInt(str[i], 16)
+                if (isNaN(num)) {
+                    throw new Error('Invalid hex character.')
+                }
+                bin = padLeft(num.toString(2), 4) + bin;
+            }
+            return bin;
+        }
+
+        function bin2hex(str) {
+            var hex = '',
+                num;
+            str = padLeft(str, 4);
+            for (var i = str.length; i >= 4; i -= 4) {
+                num = parseInt(str.slice(i - 4, i), 2);
+                if (isNaN(num)) {
+                    throw new Error('Invalid binary character.')
+                }
+                hex = num.toString(16) + hex;
+            }
+            return hex;
+        }
+
+        // Converts a given UTF16 character string to the HEX representation.
+        // Each character of the input string is represented by
+        // `bytesPerChar` bytes in the output string.
+        /** @expose **/
+        SecretShare.str2hex = function(str, bytesPerChar) {
+            if (typeof str !== 'string') {
+                throw new Error('Input must be a character string.');
+            }
+            bytesPerChar = bytesPerChar || defaults.bytesPerChar;
+
+            if (typeof bytesPerChar !== 'number' || bytesPerChar % 1 !== 0 || bytesPerChar < 1 ||
+                bytesPerChar > defaults.maxBytesPerChar) {
+                throw new Error('Bytes per character must be an integer between 1 and ' + defaults.maxBytesPerChar +
+                    ', inclusive.')
+            }
+
+            var hexChars = 2 * bytesPerChar;
+            var max = Math.pow(16, hexChars) - 1;
+            var out = '',
+                num;
+            for (var i = 0, len = str.length; i < len; i++) {
+                num = str[i].charCodeAt();
+                if (isNaN(num)) {
+                    throw new Error('Invalid character: ' + str[i]);
+                } else if (num > max) {
+                    var neededBytes = Math.ceil(Math.log(num + 1) / Math.log(256));
+                    throw new Error('Invalid character code (' + num +
+                        '). Maximum allowable is 256^bytes-1 (' + max +
+                        '). To convert this character, use at least ' + neededBytes + ' bytes.')
+                } else {
+                    out = padLeft(num.toString(16), hexChars) + out;
+                }
+            }
+            return out;
+        };
+
+        // Converts a given HEX number string to a UTF16 character string.
+        /** @expose **/
+        SecretShare.hex2str = function(str, bytesPerChar) {
+            if (typeof str !== 'string') {
+                throw new Error('Input must be a hexadecimal string.');
+            }
+            bytesPerChar = bytesPerChar || defaults.bytesPerChar;
+
+            if (typeof bytesPerChar !== 'number' || bytesPerChar % 1 !== 0 || bytesPerChar < 1 ||
+                bytesPerChar > defaults.maxBytesPerChar) {
+                throw new Error('Bytes per character must be an integer between 1 and ' + defaults.maxBytesPerChar +
+                    ', inclusive.')
+            }
+
+            var hexChars = 2 * bytesPerChar;
+            var out = '';
+            str = padLeft(str, hexChars);
+            for (var i = 0, len = str.length; i < len; i += hexChars) {
+                out = String.fromCharCode(parseInt(str.slice(i, i + hexChars), 16)) + out;
+            }
+            return out;
+        };
+
+        // by default, initialize without an RNG
+        SecretShare.init();
+    })(typeof global !== 'undefined' ? global : window);
 </script>
 
 <script id="floCrypto" version="2.0.1">