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bitcoinjs-lib
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Merge branch 'dangerpriv' of github.com:dcousens/bitcoinjs-lib into dcousens-dangerpriv

hk-custom-address
Wei Lu 11 years ago
parent
7074eff2af 8fd06681ef
commit
06b6112d58
1 changed files with 86 additions and 80 deletions
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  1. 166
      src/eckey.js

166
src/eckey.js
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@ -1,62 +1,68 @@
var BigInteger = require('./jsbn/jsbn');
var sec = require('./jsbn/sec');
var base58 = require('./base58');
var util = require('./util');
var convert = require('./convert');
var Address = require('./address');
var ecdsa = require('./ecdsa');
var ECPointFp = require('./jsbn/ec').ECPointFp;
var Address = require('./address')
var assert = require('assert')
var convert = require('./convert')
var base58 = require('./base58')
var BigInteger = require('./jsbn/jsbn')
var ecdsa = require('./ecdsa')
var ECPointFp = require('./jsbn/ec').ECPointFp
var sec = require('./jsbn/sec')
var Network = require('./network')
var util = require('./util')
var ecparams = sec("secp256k1");
var ecparams = sec("secp256k1")
// input can be nothing, array of bytes, hex string, or base58 string
var ECKey = function (input, compressed) {
if (!(this instanceof ECKey)) { return new ECKey(input, compressed); }
if (!input) {
// Generate new key
var n = ecparams.getN();
this.priv = ecdsa.getBigRandom(n);
this.compressed = compressed || false;
}
else this.import(input,compressed)
};
ECKey.prototype.import = function (input,compressed) {
function has(li,v) { return li.indexOf(v) >= 0 }
function fromBin(x) { return BigInteger.fromByteArrayUnsigned(x) }
this.priv =
input instanceof ECKey ? input.priv
: input instanceof BigInteger ? input.mod(ecparams.getN())
: Array.isArray(input) ? fromBin(input.slice(0,32))
: typeof input != "string" ? null
: input.length == 44 ? fromBin(convert.base64ToBytes(input))
: input.length == 51 && input[0] == '5' ? fromBin(base58.checkDecode(input))
: input.length == 51 && input[0] == '9' ? fromBin(base58.checkDecode(input))
: input.length == 52 && has('LK',input[0]) ? fromBin(base58.checkDecode(input).slice(0,32))
: input.length == 52 && input[0] == 'c' ? fromBin(base58.checkDecode(input).slice(0,32))
: has([64,65],input.length) ? fromBin(convert.hexToBytes(input.slice(0,64)))
: null
this.compressed =
compressed !== undefined ? compressed
: input instanceof ECKey ? input.compressed
: input instanceof BigInteger ? false
: Array.isArray(input) ? false
: typeof input != "string" ? null
: input.length == 44 ? false
: input.length == 51 && input[0] == '5' ? false
: input.length == 51 && input[0] == '9' ? false
: input.length == 52 && has('LK',input[0]) ? true
: input.length == 52 && input[0] == 'c' ? true
: input.length == 64 ? false
: input.length == 65 ? true
: null
};
if (!(this instanceof ECKey)) { return new ECKey(input, compressed) }
if (!input) {
// Generate new key
var n = ecparams.getN()
this.priv = ecdsa.getBigRandom(n)
this.compressed = compressed || false
}
else this.import(input,compressed)
}
ECKey.prototype.import = function (input, compressed) {
function has(li, v) { return li.indexOf(v) >= 0 }
function fromBin(x) { return BigInteger.fromByteArrayUnsigned(x) }
this.priv =
input instanceof ECKey ? input.priv
: input instanceof BigInteger ? input.mod(ecparams.getN())
: Array.isArray(input) ? fromBin(input.slice(0, 32))
: typeof input != "string" ? null
: input.length == 44 ? fromBin(convert.base64ToBytes(input))
: input.length == 51 && input[0] == '5' ? fromBin(base58.checkDecode(input))
: input.length == 51 && input[0] == '9' ? fromBin(base58.checkDecode(input))
: input.length == 52 && has('LK', input[0]) ? fromBin(base58.checkDecode(input).slice(0, 32))
: input.length == 52 && input[0] == 'c' ? fromBin(base58.checkDecode(input).slice(0, 32))
: has([64,65],input.length) ? fromBin(convert.hexToBytes(input.slice(0, 64)))
: null
assert(this.priv !== null)
this.compressed =
compressed !== undefined ? compressed
: input instanceof ECKey ? input.compressed
: input instanceof BigInteger ? false
: Array.isArray(input) ? false
: typeof input != "string" ? null
: input.length == 44 ? false
: input.length == 51 && input[0] == '5' ? false
: input.length == 51 && input[0] == '9' ? false
: input.length == 52 && has('LK', input[0]) ? true
: input.length == 52 && input[0] == 'c' ? true
: input.length == 64 ? false
: input.length == 65 ? true
: null
assert(this.compressed !== null)
}
ECKey.prototype.getPub = function(compressed) {
if (compressed === undefined) compressed = this.compressed
return ECPubKey(ecparams.getG().multiply(this.priv),compressed)
return ECPubKey(ecparams.getG().multiply(this.priv), compressed)
}
ECKey.prototype.toBin = function() {
@ -95,11 +101,11 @@ ECKey.prototype.getAddress = function(version) {
}
ECKey.prototype.add = function(key) {
return ECKey(this.priv.add(ECKey(key).priv),this.compressed)
return ECKey(this.priv.add(ECKey(key).priv), this.compressed)
}
ECKey.prototype.multiply = function(key) {
return ECKey(this.priv.multiply(ECKey(key).priv),this.compressed)
return ECKey(this.priv.multiply(ECKey(key).priv), this.compressed)
}
ECKey.prototype.sign = function(hash) {
@ -111,39 +117,39 @@ ECKey.prototype.verify = function(hash, sig) {
}
var ECPubKey = function(input, compressed) {
if (!(this instanceof ECPubKey)) { return new ECPubKey(input, compressed); }
if (!input) {
// Generate new key
var n = ecparams.getN();
this.pub = ecparams.getG().multiply(ecdsa.getBigRandom(n))
this.compressed = compressed || false;
}
else this.import(input,compressed)
}
ECPubKey.prototype.import = function(input,compressed) {
var decode = function(x) { return ECPointFp.decodeFrom(ecparams.getCurve(), x) }
this.pub =
input instanceof ECPointFp ? input
: input instanceof ECKey ? ecparams.getG().multiply(input.priv)
: input instanceof ECPubKey ? input.pub
: typeof input == "string" ? decode(convert.hexToBytes(input))
: Array.isArray(input) ? decode(input)
: ecparams.getG().multiply(ecdsa.getBigRandom(ecparams.getN()))
this.compressed =
compressed ? compressed
: input instanceof ECPointFp ? input.compressed
: input instanceof ECPubKey ? input.compressed
: (this.pub[0] < 4)
if (!(this instanceof ECPubKey)) {
return new ECPubKey(input, compressed)
}
this.import(input, compressed)
}
ECPubKey.prototype.import = function(input, compressed) {
var decode = function(x) { return ECPointFp.decodeFrom(ecparams.getCurve(), x) }
this.pub =
input instanceof ECPointFp ? input
: input instanceof ECKey ? ecparams.getG().multiply(input.priv)
: input instanceof ECPubKey ? input.pub
: typeof input == "string" ? decode(convert.hexToBytes(input))
: Array.isArray(input) ? decode(input)
: null
assert(this.pub !== null)
this.compressed =
compressed ? compressed
: input instanceof ECPointFp ? input.compressed
: input instanceof ECPubKey ? input.compressed
: (this.pub[0] < 4)
}
ECPubKey.prototype.add = function(key) {
return ECPubKey(this.pub.add(ECPubKey(key).pub),this.compressed)
return ECPubKey(this.pub.add(ECPubKey(key).pub), this.compressed)
}
ECPubKey.prototype.multiply = function(key) {
return ECPubKey(this.pub.multiply(ECKey(key).priv),this.compressed)
return ECPubKey(this.pub.multiply(ECKey(key).priv), this.compressed)
}
ECPubKey.prototype.toBytes = function(compressed) {

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