diff --git a/lib/crypto/schnorr.js b/lib/crypto/schnorr.js
index 7f68bad7..c22c6baf 100644
--- a/lib/crypto/schnorr.js
+++ b/lib/crypto/schnorr.js
@@ -9,7 +9,7 @@
 var BN = require('bn.js');
 var elliptic = require('elliptic');
 var Signature = require('elliptic/lib/elliptic/ec/signature');
-var hmacDRBG = require('elliptic/lib/elliptic/hmac-drbg');
+var hmacDRBG = require('hmac-drbg');
 var sha256 = require('./backend').sha256;
 var secp256k1 = elliptic.ec('secp256k1');
 var curve = secp256k1.curve;
diff --git a/package.json b/package.json
index 59670482..0c1f23da 100644
--- a/package.json
+++ b/package.json
@@ -56,6 +56,7 @@
   },
   "scripts": {
     "test": "mocha --reporter spec test/*-test.js",
+    "test-file": "mocha --reporter spec ",
     "test-browser": "BCOIN_NO_NATIVE=1 BCOIN_USE_ELLIPTIC=1 mocha --reporter spec test/*-test.js",
     "browserify": "browserify --im -o browser/bcoin.js lib/bcoin.js && browserify --im -o browser/bcoin-master.js lib/workers/master.js",
     "uglify": "uglifyjs -m -o browser/bcoin.min.js browser/bcoin.js && uglifyjs -m -o browser/bcoin-master.min.js browser/bcoin-master.js",
diff --git a/test/key-address-test.js b/test/key-address-test.js
new file mode 100644
index 00000000..c6508f48
--- /dev/null
+++ b/test/key-address-test.js
@@ -0,0 +1,32 @@
+`use strict`;
+var assert = require('assert');
+var keyring = require('../lib/primitives/keyring');
+
+describe('Keyring Address', function () {
+  let uncompressedlKey = keyring.fromSecret('5KYZdUEo39z3FPrtuX2QbbwGnNP5zTd7yyr2SC1j299sBCnWjss');
+  it('check uncompressed public key', function () {
+    assert.equal('04a34b99f22c790c4e36b2b3c2c35a36db06226e41c692fc82b8b56ac1c540c5bd5b8dec5235a0fa8722476c7709c02559e3aa73aa03918ba2d492eea75abea235', uncompressedlKey.getPublicKey('hex'));
+  });
+  it('ckeck uncompressed public key to address', function () {
+    assert.equal('1HZwkjkeaoZfTSaJxDw6aKkxp45agDiEzN', uncompressedlKey.getKeyAddress("base58"));
+  });
+  it('check uncompressed secret', function () {
+    assert.equal('5KYZdUEo39z3FPrtuX2QbbwGnNP5zTd7yyr2SC1j299sBCnWjss', uncompressedlKey.toSecret());
+  });
+  
+  let compressedKey = keyring.fromSecret('L4rK1yDtCWekvXuE6oXD9jCYfFNV2cWRpVuPLBcCU2z8TrisoyY1');
+  it('check compressed  public key', function () {
+    assert.equal('03a34b99f22c790c4e36b2b3c2c35a36db06226e41c692fc82b8b56ac1c540c5bd', compressedKey.getPublicKey('hex'));
+    
+  });
+  it('check compressed public key to address', function () {
+    assert.equal('1F3sAm6ZtwLAUnj7d38pGFxtP3RVEvtsbV', compressedKey.getKeyAddress("base58"));
+  });
+  it('check compressed secret', function () {
+    assert.equal('L4rK1yDtCWekvXuE6oXD9jCYfFNV2cWRpVuPLBcCU2z8TrisoyY1', compressedKey.toSecret());
+  });
+  
+  
+});
+
+