From 11b67a6404df8c403b7584d6b5df52b0ad01999a Mon Sep 17 00:00:00 2001
From: Christopher Jeffrey <chjjeffrey@gmail.com>
Date: Wed, 16 Jul 2014 09:31:31 -0700
Subject: [PATCH] paypro: use jsrsasign for browser.

---
 lib/browser/PayPro.js | 22 +++++-----------------
 package.json          |  1 +
 2 files changed, 6 insertions(+), 17 deletions(-)

diff --git a/lib/browser/PayPro.js b/lib/browser/PayPro.js
index c2e220d..6bf0b0f 100644
--- a/lib/browser/PayPro.js
+++ b/lib/browser/PayPro.js
@@ -1,9 +1,8 @@
 "use strict";
 
 var Key = require('./Key');
-var bignum = require('bignum');
+var x509 = require('./x509');
 var assert = require('assert');
-var elliptic = require('elliptic');
 var PayPro = require('../PayPro');
 
 PayPro.sign = function(key) {
@@ -17,17 +16,15 @@ PayPro.sign = function(key) {
   } else if (pki_type === 'none' || pki_type === 'x509+sha256' || pki_type === 'x509+sha1') {
     throw new Error('x509 currently unsuported.');
   } else if (pki_type === 'x509+sha1' || pki_type === 'x509+sha256') {
-    // XXX node only
     var crypto = require('crypto');
     var pki_data = this.get('pki_data'); // contains one or more x509 certs
-    //var details = this.get('serialized_payment_details');
     var type = pki_type.split('+').toUpperCase();
-    // var signature = crypto.createSign('RSA-' + type);
     var buf = this.serializeForSig();
-    // signature.update(buf);
-    //var hexSig = _rsasign_getHexPaddedDigestInfoForString("aaa", 1024, 'sha1');
     var hexSig = _rsasign_getHexPaddedDigestInfoForString(buf.toString(16), 2048, type);
-    // var sig = signature.sign(pki_data);
+    var size = hexSig.length / 2;
+    if (size % 2) size++
+    var bbuf = new Uint8Array(size);
+    var sig = new Buffer(bbuf);
   } else if (pki_type === 'none') {
     return this;
   } else {
@@ -52,22 +49,13 @@ PayPro.verify = function() {
     var pki_data = this.get('pki_data');
     var buf = this.serializeForSig();
     var type = pki_type.split('+').toUpperCase();
-
-    // var pubKey = PKCS5PKEY.getRSAKeyFromPublicPKCS8PEM(sKp1PubPEM);
-    // var result = pubKey.verifyPSS("aaa", sKp1SigAAA1, "sha1", -1);
-
     var pubKey = PKCS5PKEY.getRSAKeyFromPublicPKCS8PEM(pki_data);
     var result = pubKey.verifyPSS(buf, buf.toString(16), type, -1);
     return result;
-
-    // var verifier = crypto.createVerify('RSA-' + type);
-    // verifier.update(buf);
-    // return verifier.verify(pki_data, sig);
   } else if (pki_type === 'none') {
     return true;
   }
 
-
   throw new Error('Unsupported pki_type');
 };
 
diff --git a/package.json b/package.json
index 17561b9..0a64dc8 100644
--- a/package.json
+++ b/package.json
@@ -65,6 +65,7 @@
     "sjcl": "=1.0.1",
     "hash.js": "=0.3.1",
     "bn.js": "=0.13.3",
+    "jsrsasign": "=0.0.3",
     "elliptic": "=0.15.7",
     "bindings": "=1.1.1",
     "bufferput": "git://github.com/bitpay/node-bufferput.git",