LBRYCommunity/bitcoinjs-lib
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Replacse JSBN with bigi

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This commit is contained in:
Daniel Cousens 2014-04-22 02:19:30 +10:00
parent b95b5d5a04
commit ae60e6eb95
15 changed files with 52 additions and 1381 deletions

26
src/ecdsa.js
View file

@ -1,10 +1,12 @@
var sec = require('./jsbn/sec')
var rng = require('secure-random')
var BigInteger = require('./jsbn/jsbn')
var BigInteger = require('./bigi')
var ECPointFp = require('./ec').ECPointFp
var convert = require('./convert')
var HmacSHA256 = require('crypto-js/hmac-sha256')
var ECPointFp = require('./jsbn/ec').ECPointFp
var sec = require('./sec')
var ecparams = sec("secp256k1")
var P_OVER_FOUR = null
function implShamirsTrick(P, k, Q, l) {
@ -48,14 +50,14 @@ function deterministicGenerateK(hash,key) {
v = HmacSHA256(v,k)
v = HmacSHA256(v,k)
vArr = convert.wordArrayToBytes(v)
return BigInteger.fromByteArrayUnsigned(vArr)
return BigInteger.fromBuffer(vArr)
}
var ecdsa = {
sign: function (hash, priv) {
var d = priv
var n = ecparams.getN()
var e = BigInteger.fromByteArrayUnsigned(hash)
var e = BigInteger.fromBuffer(hash)
var k = deterministicGenerateK(hash,priv.toByteArrayUnsigned())
var G = ecparams.getG()
@ -93,7 +95,7 @@ var ecdsa = {
} else {
throw new Error("Invalid format for pubkey value, must be byte array or ECPointFp")
}
var e = BigInteger.fromByteArrayUnsigned(hash)
var e = BigInteger.fromBuffer(hash)
return ecdsa.verifyRaw(e, r, s, Q)
},
@ -183,8 +185,8 @@ var ecdsa = {
//if (cursor != sig.length)
// throw new Error("Extra bytes in signature")
var r = BigInteger.fromByteArrayUnsigned(rBa)
var s = BigInteger.fromByteArrayUnsigned(sBa)
var r = BigInteger.fromBuffer(rBa)
var s = BigInteger.fromBuffer(sBa)
return {r: r, s: s}
},
@ -202,8 +204,8 @@ var ecdsa = {
}
var n = ecparams.getN()
var r = BigInteger.fromByteArrayUnsigned(sig.slice(1, 33)).mod(n)
var s = BigInteger.fromByteArrayUnsigned(sig.slice(33, 65)).mod(n)
var r = BigInteger.fromBuffer(sig.slice(1, 33)).mod(n)
var s = BigInteger.fromBuffer(sig.slice(33, 65)).mod(n)
return {r: r, s: s, i: i}
},
@ -257,7 +259,7 @@ var ecdsa = {
R.validate()
// 1.5 Compute e from M
var e = BigInteger.fromByteArrayUnsigned(hash)
var e = BigInteger.fromBuffer(hash)
var eNeg = BigInteger.ZERO.subtract(e).mod(n)
// 1.6 Compute Q = r^-1 (sR - eG)