fix ripemd160 for browser and add tests

This commit is contained in:
Manuel Araoz 2014-02-27 20:02:11 -03:00
parent 8b321f7a97
commit 066936d69b
6 changed files with 136 additions and 15 deletions

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@ -1,4 +1,4 @@
if ("undefined" == typeof window) window = this;
if ('undefined' === typeof window) window = this;
/*!
* Crypto-JS v2.0.0
* http://code.google.com/p/crypto-js/
@ -157,6 +157,38 @@ var Binary = charenc.Binary = {
};
/*
CryptoJS v3.1.2
code.google.com/p/crypto-js
(c) 2009-2013 by Jeff Mott. All rights reserved.
code.google.com/p/crypto-js/wiki/License
*/
/*
(c) 2012 by C?dric Mesnil. All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
var CryptoJS=CryptoJS||function(j,k){var e={},l=e.lib={},z=function(){},t=l.Base={extend:function(a){z.prototype=this;var c=new z;a&&c.mixIn(a);c.hasOwnProperty("init")||(c.init=function(){c.$super.init.apply(this,arguments)});c.init.prototype=c;c.$super=this;return c},create:function(){var a=this.extend();a.init.apply(a,arguments);return a},init:function(){},mixIn:function(a){for(var c in a)a.hasOwnProperty(c)&&(this[c]=a[c]);a.hasOwnProperty("toString")&&(this.toString=a.toString)},clone:function(){return this.init.prototype.extend(this)}},
u=l.WordArray=t.extend({init:function(a,c){a=this.words=a||[];this.sigBytes=c!=k?c:4*a.length},toString:function(a){return(a||D).stringify(this)},concat:function(a){var c=this.words,h=a.words,d=this.sigBytes;a=a.sigBytes;this.clamp();if(d%4)for(var b=0;b<a;b++)c[d+b>>>2]|=(h[b>>>2]>>>24-8*(b%4)&255)<<24-8*((d+b)%4);else if(65535<h.length)for(b=0;b<a;b+=4)c[d+b>>>2]=h[b>>>2];else c.push.apply(c,h);this.sigBytes+=a;return this},clamp:function(){var a=this.words,c=this.sigBytes;a[c>>>2]&=4294967295<<
32-8*(c%4);a.length=j.ceil(c/4)},clone:function(){var a=t.clone.call(this);a.words=this.words.slice(0);return a},random:function(a){for(var c=[],b=0;b<a;b+=4)c.push(4294967296*j.random()|0);return new u.init(c,a)}}),w=e.enc={},D=w.Hex={stringify:function(a){var c=a.words;a=a.sigBytes;for(var b=[],d=0;d<a;d++){var g=c[d>>>2]>>>24-8*(d%4)&255;b.push((g>>>4).toString(16));b.push((g&15).toString(16))}return b.join("")},parse:function(a){for(var c=a.length,b=[],d=0;d<c;d+=2)b[d>>>3]|=parseInt(a.substr(d,
2),16)<<24-4*(d%8);return new u.init(b,c/2)}},A=w.Latin1={stringify:function(a){var c=a.words;a=a.sigBytes;for(var b=[],d=0;d<a;d++)b.push(String.fromCharCode(c[d>>>2]>>>24-8*(d%4)&255));return b.join("")},parse:function(a){for(var b=a.length,h=[],d=0;d<b;d++)h[d>>>2]|=(a.charCodeAt(d)&255)<<24-8*(d%4);return new u.init(h,b)}},g=w.Utf8={stringify:function(a){try{return decodeURIComponent(escape(A.stringify(a)))}catch(b){throw Error("Malformed UTF-8 data");}},parse:function(a){return A.parse(unescape(encodeURIComponent(a)))}},
v=l.BufferedBlockAlgorithm=t.extend({reset:function(){this._data=new u.init;this._nDataBytes=0},_append:function(a){"string"==typeof a&&(a=g.parse(a));this._data.concat(a);this._nDataBytes+=a.sigBytes},_process:function(a){var b=this._data,h=b.words,d=b.sigBytes,g=this.blockSize,v=d/(4*g),v=a?j.ceil(v):j.max((v|0)-this._minBufferSize,0);a=v*g;d=j.min(4*a,d);if(a){for(var e=0;e<a;e+=g)this._doProcessBlock(h,e);e=h.splice(0,a);b.sigBytes-=d}return new u.init(e,d)},clone:function(){var a=t.clone.call(this);
a._data=this._data.clone();return a},_minBufferSize:0});l.Hasher=v.extend({cfg:t.extend(),init:function(a){this.cfg=this.cfg.extend(a);this.reset()},reset:function(){v.reset.call(this);this._doReset()},update:function(a){this._append(a);this._process();return this},finalize:function(a){a&&this._append(a);return this._doFinalize()},blockSize:16,_createHelper:function(a){return function(b,g){return(new a.init(g)).finalize(b)}},_createHmacHelper:function(a){return function(c,g){return(new b.HMAC.init(a,
g)).finalize(c)}}});var b=e.algo={};return e}(Math);
(function(){var j=CryptoJS,k=j.lib,e=k.WordArray,l=k.Hasher,k=j.algo,z=e.create([0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,7,4,13,1,10,6,15,3,12,0,9,5,2,14,11,8,3,10,14,4,9,15,8,1,2,7,0,6,13,11,5,12,1,9,11,10,0,8,12,4,13,3,7,15,14,5,6,2,4,0,5,9,7,12,2,10,14,1,3,8,11,6,15,13]),t=e.create([5,14,7,0,9,2,11,4,13,6,15,8,1,10,3,12,6,11,3,7,0,13,5,10,14,15,8,12,4,9,1,2,15,5,1,3,7,14,6,9,11,8,12,2,10,0,4,13,8,6,4,1,3,11,15,0,5,12,2,13,9,7,10,14,12,15,10,4,1,5,8,7,6,2,13,14,0,3,9,11]),u=e.create([11,14,15,12,
5,8,7,9,11,13,14,15,6,7,9,8,7,6,8,13,11,9,7,15,7,12,15,9,11,7,13,12,11,13,6,7,14,9,13,15,14,8,13,6,5,12,7,5,11,12,14,15,14,15,9,8,9,14,5,6,8,6,5,12,9,15,5,11,6,8,13,12,5,12,13,14,11,8,5,6]),w=e.create([8,9,9,11,13,15,15,5,7,7,8,11,14,14,12,6,9,13,15,7,12,8,9,11,7,7,12,7,6,15,13,11,9,7,15,11,8,6,6,14,12,13,5,14,13,13,7,5,15,5,8,11,14,14,6,14,6,9,12,9,12,5,15,8,8,5,12,9,12,5,14,6,8,13,6,5,15,13,11,11]),D=e.create([0,1518500249,1859775393,2400959708,2840853838]),A=e.create([1352829926,1548603684,1836072691,
2053994217,0]),k=k.RIPEMD160=l.extend({_doReset:function(){this._hash=e.create([1732584193,4023233417,2562383102,271733878,3285377520])},_doProcessBlock:function(g,e){for(var b=0;16>b;b++){var a=e+b,c=g[a];g[a]=(c<<8|c>>>24)&16711935|(c<<24|c>>>8)&4278255360}var a=this._hash.words,c=D.words,h=A.words,d=z.words,j=t.words,k=u.words,l=w.words,B,m,n,p,x,C,q,r,s,y;C=B=a[0];q=m=a[1];r=n=a[2];s=p=a[3];y=x=a[4];for(var f,b=0;80>b;b+=1)f=B+g[e+d[b]]|0,f=16>b?f+((m^n^p)+c[0]):32>b?f+((m&n|~m&p)+c[1]):48>b?
f+(((m|~n)^p)+c[2]):64>b?f+((m&p|n&~p)+c[3]):f+((m^(n|~p))+c[4]),f|=0,f=f<<k[b]|f>>>32-k[b],f=f+x|0,B=x,x=p,p=n<<10|n>>>22,n=m,m=f,f=C+g[e+j[b]]|0,f=16>b?f+((q^(r|~s))+h[0]):32>b?f+((q&s|r&~s)+h[1]):48>b?f+(((q|~r)^s)+h[2]):64>b?f+((q&r|~q&s)+h[3]):f+((q^r^s)+h[4]),f|=0,f=f<<l[b]|f>>>32-l[b],f=f+y|0,C=y,y=s,s=r<<10|r>>>22,r=q,q=f;f=a[1]+n+s|0;a[1]=a[2]+p+y|0;a[2]=a[3]+x+C|0;a[3]=a[4]+B+q|0;a[4]=a[0]+m+r|0;a[0]=f},_doFinalize:function(){var g=this._data,e=g.words,b=8*this._nDataBytes,a=8*g.sigBytes;
e[a>>>5]|=128<<24-a%32;e[(a+64>>>9<<4)+14]=(b<<8|b>>>24)&16711935|(b<<24|b>>>8)&4278255360;g.sigBytes=4*(e.length+1);this._process();g=this._hash;e=g.words;for(b=0;5>b;b++)a=e[b],e[b]=(a<<8|a>>>24)&16711935|(a<<24|a>>>8)&4278255360;return g},clone:function(){var e=l.clone.call(this);e._hash=this._hash.clone();return e}});j.RIPEMD160=l._createHelper(k);j.HmacRIPEMD160=l._createHmacHelper(k)})(Math);
module.exports.RIPEMD160 = CryptoJS.RIPEMD160;
Bitcoin = {};

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@ -1,3 +1,3 @@
#! /bin/bash
cat browser.js crypto.js bitcoin.js navigator-adapter.js jsbn.js jsbn2.js prng4.js util.js rng.js ec.js sec.js ecdsa.js eckey.js > bitcoinjs-lib.js
cat browser.js crypto.js ripemd160.js bitcoin.js navigator-adapter.js jsbn.js jsbn2.js prng4.js util.js rng.js ec.js sec.js ecdsa.js eckey.js > bitcoinjs-lib.js

33
browser/ripemd160.js Normal file
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@ -0,0 +1,33 @@
/*
CryptoJS v3.1.2
code.google.com/p/crypto-js
(c) 2009-2013 by Jeff Mott. All rights reserved.
code.google.com/p/crypto-js/wiki/License
*/
/*
(c) 2012 by C?dric Mesnil. All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
var CryptoJS=CryptoJS||function(j,k){var e={},l=e.lib={},z=function(){},t=l.Base={extend:function(a){z.prototype=this;var c=new z;a&&c.mixIn(a);c.hasOwnProperty("init")||(c.init=function(){c.$super.init.apply(this,arguments)});c.init.prototype=c;c.$super=this;return c},create:function(){var a=this.extend();a.init.apply(a,arguments);return a},init:function(){},mixIn:function(a){for(var c in a)a.hasOwnProperty(c)&&(this[c]=a[c]);a.hasOwnProperty("toString")&&(this.toString=a.toString)},clone:function(){return this.init.prototype.extend(this)}},
u=l.WordArray=t.extend({init:function(a,c){a=this.words=a||[];this.sigBytes=c!=k?c:4*a.length},toString:function(a){return(a||D).stringify(this)},concat:function(a){var c=this.words,h=a.words,d=this.sigBytes;a=a.sigBytes;this.clamp();if(d%4)for(var b=0;b<a;b++)c[d+b>>>2]|=(h[b>>>2]>>>24-8*(b%4)&255)<<24-8*((d+b)%4);else if(65535<h.length)for(b=0;b<a;b+=4)c[d+b>>>2]=h[b>>>2];else c.push.apply(c,h);this.sigBytes+=a;return this},clamp:function(){var a=this.words,c=this.sigBytes;a[c>>>2]&=4294967295<<
32-8*(c%4);a.length=j.ceil(c/4)},clone:function(){var a=t.clone.call(this);a.words=this.words.slice(0);return a},random:function(a){for(var c=[],b=0;b<a;b+=4)c.push(4294967296*j.random()|0);return new u.init(c,a)}}),w=e.enc={},D=w.Hex={stringify:function(a){var c=a.words;a=a.sigBytes;for(var b=[],d=0;d<a;d++){var g=c[d>>>2]>>>24-8*(d%4)&255;b.push((g>>>4).toString(16));b.push((g&15).toString(16))}return b.join("")},parse:function(a){for(var c=a.length,b=[],d=0;d<c;d+=2)b[d>>>3]|=parseInt(a.substr(d,
2),16)<<24-4*(d%8);return new u.init(b,c/2)}},A=w.Latin1={stringify:function(a){var c=a.words;a=a.sigBytes;for(var b=[],d=0;d<a;d++)b.push(String.fromCharCode(c[d>>>2]>>>24-8*(d%4)&255));return b.join("")},parse:function(a){for(var b=a.length,h=[],d=0;d<b;d++)h[d>>>2]|=(a.charCodeAt(d)&255)<<24-8*(d%4);return new u.init(h,b)}},g=w.Utf8={stringify:function(a){try{return decodeURIComponent(escape(A.stringify(a)))}catch(b){throw Error("Malformed UTF-8 data");}},parse:function(a){return A.parse(unescape(encodeURIComponent(a)))}},
v=l.BufferedBlockAlgorithm=t.extend({reset:function(){this._data=new u.init;this._nDataBytes=0},_append:function(a){"string"==typeof a&&(a=g.parse(a));this._data.concat(a);this._nDataBytes+=a.sigBytes},_process:function(a){var b=this._data,h=b.words,d=b.sigBytes,g=this.blockSize,v=d/(4*g),v=a?j.ceil(v):j.max((v|0)-this._minBufferSize,0);a=v*g;d=j.min(4*a,d);if(a){for(var e=0;e<a;e+=g)this._doProcessBlock(h,e);e=h.splice(0,a);b.sigBytes-=d}return new u.init(e,d)},clone:function(){var a=t.clone.call(this);
a._data=this._data.clone();return a},_minBufferSize:0});l.Hasher=v.extend({cfg:t.extend(),init:function(a){this.cfg=this.cfg.extend(a);this.reset()},reset:function(){v.reset.call(this);this._doReset()},update:function(a){this._append(a);this._process();return this},finalize:function(a){a&&this._append(a);return this._doFinalize()},blockSize:16,_createHelper:function(a){return function(b,g){return(new a.init(g)).finalize(b)}},_createHmacHelper:function(a){return function(c,g){return(new b.HMAC.init(a,
g)).finalize(c)}}});var b=e.algo={};return e}(Math);
(function(){var j=CryptoJS,k=j.lib,e=k.WordArray,l=k.Hasher,k=j.algo,z=e.create([0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,7,4,13,1,10,6,15,3,12,0,9,5,2,14,11,8,3,10,14,4,9,15,8,1,2,7,0,6,13,11,5,12,1,9,11,10,0,8,12,4,13,3,7,15,14,5,6,2,4,0,5,9,7,12,2,10,14,1,3,8,11,6,15,13]),t=e.create([5,14,7,0,9,2,11,4,13,6,15,8,1,10,3,12,6,11,3,7,0,13,5,10,14,15,8,12,4,9,1,2,15,5,1,3,7,14,6,9,11,8,12,2,10,0,4,13,8,6,4,1,3,11,15,0,5,12,2,13,9,7,10,14,12,15,10,4,1,5,8,7,6,2,13,14,0,3,9,11]),u=e.create([11,14,15,12,
5,8,7,9,11,13,14,15,6,7,9,8,7,6,8,13,11,9,7,15,7,12,15,9,11,7,13,12,11,13,6,7,14,9,13,15,14,8,13,6,5,12,7,5,11,12,14,15,14,15,9,8,9,14,5,6,8,6,5,12,9,15,5,11,6,8,13,12,5,12,13,14,11,8,5,6]),w=e.create([8,9,9,11,13,15,15,5,7,7,8,11,14,14,12,6,9,13,15,7,12,8,9,11,7,7,12,7,6,15,13,11,9,7,15,11,8,6,6,14,12,13,5,14,13,13,7,5,15,5,8,11,14,14,6,14,6,9,12,9,12,5,15,8,8,5,12,9,12,5,14,6,8,13,6,5,15,13,11,11]),D=e.create([0,1518500249,1859775393,2400959708,2840853838]),A=e.create([1352829926,1548603684,1836072691,
2053994217,0]),k=k.RIPEMD160=l.extend({_doReset:function(){this._hash=e.create([1732584193,4023233417,2562383102,271733878,3285377520])},_doProcessBlock:function(g,e){for(var b=0;16>b;b++){var a=e+b,c=g[a];g[a]=(c<<8|c>>>24)&16711935|(c<<24|c>>>8)&4278255360}var a=this._hash.words,c=D.words,h=A.words,d=z.words,j=t.words,k=u.words,l=w.words,B,m,n,p,x,C,q,r,s,y;C=B=a[0];q=m=a[1];r=n=a[2];s=p=a[3];y=x=a[4];for(var f,b=0;80>b;b+=1)f=B+g[e+d[b]]|0,f=16>b?f+((m^n^p)+c[0]):32>b?f+((m&n|~m&p)+c[1]):48>b?
f+(((m|~n)^p)+c[2]):64>b?f+((m&p|n&~p)+c[3]):f+((m^(n|~p))+c[4]),f|=0,f=f<<k[b]|f>>>32-k[b],f=f+x|0,B=x,x=p,p=n<<10|n>>>22,n=m,m=f,f=C+g[e+j[b]]|0,f=16>b?f+((q^(r|~s))+h[0]):32>b?f+((q&s|r&~s)+h[1]):48>b?f+(((q|~r)^s)+h[2]):64>b?f+((q&r|~q&s)+h[3]):f+((q^r^s)+h[4]),f|=0,f=f<<l[b]|f>>>32-l[b],f=f+y|0,C=y,y=s,s=r<<10|r>>>22,r=q,q=f;f=a[1]+n+s|0;a[1]=a[2]+p+y|0;a[2]=a[3]+x+C|0;a[3]=a[4]+B+q|0;a[4]=a[0]+m+r|0;a[0]=f},_doFinalize:function(){var g=this._data,e=g.words,b=8*this._nDataBytes,a=8*g.sigBytes;
e[a>>>5]|=128<<24-a%32;e[(a+64>>>9<<4)+14]=(b<<8|b>>>24)&16711935|(b<<24|b>>>8)&4278255360;g.sigBytes=4*(e.length+1);this._process();g=this._hash;e=g.words;for(b=0;5>b;b++)a=e[b],e[b]=(a<<8|a>>>24)&16711935|(a<<24|a>>>8)&4278255360;return g},clone:function(){var e=l.clone.call(this);e._hash=this._hash.clone();return e}});j.RIPEMD160=l._createHelper(k);j.HmacRIPEMD160=l._createHmacHelper(k)})(Math);
module.exports.RIPEMD160 = CryptoJS.RIPEMD160;
module.exports.WordArray = CryptoJS.lib.WordArray;

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@ -23,6 +23,33 @@ describe('WalletKey', function() {
});
should.exist(s);
});
it('should be able to call generate', function() {
var s = new WalletKey({
network: networks.livenet
});
s.generate.bind(s).should.not.throw(Error);
});
it('should be able to call storeObj', function() {
var s = new WalletKey({
network: networks.livenet
});
s.generate();
var o = s.storeObj();
should.exist(o);
});
it('roundtrip for storeObj/fromObj', function() {
var s = new WalletKey({
network: networks.livenet
});
s.generate();
var obj = s.storeObj();
var s2 = new WalletKey({
network: networks.livenet
});
s2.fromObj(obj);
s.privKey.private.toString().should.equal(s2.privKey.private.toString());
s.privKey.public.toString().should.equal(s2.privKey.public.toString());
});
});

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@ -2,10 +2,11 @@ var chai = require('chai');
var bitcore = require('../bitcore');
var coinUtil = bitcore.util;
var should = chai.should();
var buffertools = require('buffertools');
describe('util', function(){
describe('#parseValue', function(){
it('should convert floating points to satoshis correctly', function(){
describe('util', function() {
describe('#parseValue', function() {
it('should convert floating points to satoshis correctly', function() {
function test_value(datum) {
var decimal = datum[0];
var intStr = datum[1];
@ -13,17 +14,36 @@ describe('util', function(){
should.exist(bn);
bn.toString().should.equal(intStr);
}
var dataValues=[
[ "0", "0" ],
[ "1.0", "100000000" ],
[ "0.1", "10000000" ],
[ ".1", "10000000" ],
[ "0.0005", "50000" ],
[ ".000000001", "0" ],
[ ".000000009", "0" ],
[ ".00000000000000001", "0" ]
var dataValues = [
["0", "0"],
["1.0", "100000000"],
["0.1", "10000000"],
[".1", "10000000"],
["0.0005", "50000"],
[".000000001", "0"],
[".000000009", "0"],
[".00000000000000001", "0"]
];
dataValues.forEach(function(datum) { test_value(datum); });
dataValues.forEach(function(datum) {
test_value(datum);
});
});
});
describe('#ripemd160', function() {
var ripemdData = [
['somemessage123', '12fd01a7ec6b9ba23b3a5c16fbfab3ac19624a88'],
['', '9c1185a5c5e9fc54612808977ee8f548b2258d31'],
['0000', 'ab20e58c9eeb4776e719deff3158e26ca9edb636']
];
ripemdData.forEach(function(datum) {
it('should work for ' + datum[0], function() {
var r = coinUtil.ripe160(datum[0]);
buffertools.toHex(r).should.equal(datum[1]);
});
it('should work for Buffer ' + datum[0], function() {
var r = coinUtil.ripe160(new Buffer(datum[0]));
buffertools.toHex(r).should.equal(datum[1]);
});
});
});
});

View File

@ -10,6 +10,15 @@ var sha256 = exports.sha256 = function (data) {
};
var ripe160 = exports.ripe160 = function (data) {
if (!process.versions) {
// browser version
var bjs = require('../browser/bitcoinjs-lib.js');
var RIPEMD160 = bjs.RIPEMD160;
var WordArray = bjs.WordArray;
data = data.toString();
var result = RIPEMD160(data) + '';
return new Buffer(result, 'hex');
}
return new Buffer(crypto.createHash('rmd160').update(data).digest('binary'), 'binary');
};