Ryan X. Charles
11 years ago
3 changed files with 106 additions and 113 deletions
@ -0,0 +1,102 @@ |
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var ECKey = require('../browser/vendor-bundle.js').ECKey; |
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var buffertools = require('buffertools'); |
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var Key = function() { |
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this._pub = null; |
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this.compressed = true; // default
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}; |
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var bufferToArray = Key.bufferToArray = function(buffer) { |
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var ret = []; |
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var l = buffer.length; |
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for(var i =0; i<l; i++) { |
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ret.push(buffer.readUInt8(i)); |
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} |
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return ret; |
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} |
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Object.defineProperty(Key.prototype, 'public', { |
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set: function(p){ |
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if (!Buffer.isBuffer(p) ) { |
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throw new Error('Arg should be a buffer'); |
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} |
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var type = p[0]; |
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this.compressed = type!==0x04; |
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this._pub = p; |
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}, |
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get: function(){ |
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return this._pub; |
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} |
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}); |
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Key.generateSync = function() { |
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var eck = new ECKey(); |
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eck.setCompressed(true); |
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var pub = eck.getPub(); |
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var ret = new Key(); |
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ret.private = new Buffer(eck.priv.toByteArrayUnsigned()); |
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ret.public = new Buffer(pub); |
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return ret; |
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}; |
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Key.prototype.regenerateSync = function() { |
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if (!this.private) { |
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throw new Error('Key does not have a private key set'); |
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} |
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var eck = new ECKey(buffertools.toHex(this.private)); |
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eck.setCompressed(this.compressed); |
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this.public = new Buffer(eck.getPub()); |
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return this; |
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}; |
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Key.prototype.signSync = function(hash) { |
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if (!this.private) { |
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throw new Error('Key does not have a private key set'); |
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} |
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if (!Buffer.isBuffer(hash) || hash.length !== 32) { |
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throw new Error('Arg should be a 32 bytes hash buffer'); |
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} |
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var eck = new ECKey(buffertools.toHex(this.private)); |
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eck.setCompressed(this.compressed); |
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var signature = eck.sign(bufferToArray(hash)); |
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// return it as a buffer to keep c++ compatibility
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return new Buffer(signature); |
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}; |
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Key.prototype.verifySignature = function(hash, sig, callback) { |
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try { |
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var result = this.verifySignatureSync(hash, sig); |
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callback(null, result); |
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} catch (e) { |
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callback(e); |
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} |
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}; |
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Key.prototype.verifySignatureSync = function(hash, sig) { |
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var self = this; |
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if (!Buffer.isBuffer(hash) || hash.length !== 32) { |
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throw new Error('Arg 1 should be a 32 bytes hash buffer'); |
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} |
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if (!Buffer.isBuffer(sig)) { |
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throw new Error('Arg 2 should be a buffer'); |
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} |
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if (!self.public) { |
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throw new Error('Key does not have a public key set'); |
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} |
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var eck = new ECKey(); |
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eck.setPub(bufferToArray(self.public)); |
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eck.setCompressed(self.compressed); |
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var sigA = bufferToArray(sig); |
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var ret = eck.verify(bufferToArray(hash),sigA); |
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return ret; |
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}; |
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module.exports = Key; |
@ -1,115 +1,5 @@ |
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if (process.versions) { |
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// c++ native version
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var KeyModule = require('bindings')('KeyModule'); |
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var Key = KeyModule.Key; |
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module.exports = Key; |
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} else { |
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// pure js version
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var ECKey = require('../browser/vendor-bundle.js').ECKey; |
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var buffertools = require('buffertools'); |
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var kSpec = function() { |
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this._pub = null; |
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this.compressed = true; // default
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}; |
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var bufferToArray = kSpec.bufferToArray = function(buffer) { |
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var ret = []; |
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var l = buffer.length; |
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for(var i =0; i<l; i++) { |
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ret.push(buffer.readUInt8(i)); |
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} |
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return ret; |
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} |
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Object.defineProperty(kSpec.prototype, 'public', { |
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set: function(p){ |
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if (!Buffer.isBuffer(p) ) { |
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throw new Error('Arg should be a buffer'); |
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} |
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var type = p[0]; |
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this.compressed = type!==0x04; |
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this._pub = p; |
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}, |
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get: function(){ |
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return this._pub; |
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} |
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}); |
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kSpec.generateSync = function() { |
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var eck = new ECKey(); |
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eck.setCompressed(true); |
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var pub = eck.getPub(); |
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var ret = new kSpec(); |
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ret.private = new Buffer(eck.priv.toByteArrayUnsigned()); |
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ret.public = new Buffer(pub); |
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return ret; |
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}; |
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kSpec.prototype.regenerateSync = function() { |
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if (!this.private) { |
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throw new Error('Key does not have a private key set'); |
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} |
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var eck = new ECKey(buffertools.toHex(this.private)); |
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eck.setCompressed(this.compressed); |
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this.public = new Buffer(eck.getPub()); |
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return this; |
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}; |
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kSpec.prototype.signSync = function(hash) { |
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if (!this.private) { |
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throw new Error('Key does not have a private key set'); |
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} |
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if (!Buffer.isBuffer(hash) || hash.length !== 32) { |
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throw new Error('Arg should be a 32 bytes hash buffer'); |
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} |
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var eck = new ECKey(buffertools.toHex(this.private)); |
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eck.setCompressed(this.compressed); |
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var signature = eck.sign(bufferToArray(hash)); |
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// return it as a buffer to keep c++ compatibility
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return new Buffer(signature); |
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}; |
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kSpec.prototype.verifySignature = function(hash, sig, callback) { |
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try { |
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var result = this.verifySignatureSync(hash, sig); |
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callback(null, result); |
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} catch (e) { |
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callback(e); |
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} |
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}; |
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kSpec.prototype.verifySignatureSync = function(hash, sig) { |
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var self = this; |
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if (!Buffer.isBuffer(hash) || hash.length !== 32) { |
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throw new Error('Arg 1 should be a 32 bytes hash buffer'); |
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} |
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if (!Buffer.isBuffer(sig)) { |
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throw new Error('Arg 2 should be a buffer'); |
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} |
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if (!self.public) { |
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throw new Error('Key does not have a public key set'); |
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} |
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var eck = new ECKey(); |
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eck.setPub(bufferToArray(self.public)); |
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eck.setCompressed(self.compressed); |
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var sigA = bufferToArray(sig); |
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var ret = eck.verify(bufferToArray(hash),sigA); |
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return ret; |
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}; |
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module.exports = kSpec; |
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module.exports = require('./Key.node'); |
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return; |
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} |
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module.exports = require('./Key.browser'); |
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@ -0,0 +1 @@ |
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module.exports = require('bindings')('KeyModule').Key; |
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