LBRYCommunity/bitcoinjs-lib
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use ecurve instead of custom ec

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This commit is contained in:
Daniel Cousens 2014-06-07 16:24:27 +10:00
parent de8b6a9931
commit 4ce9015f3b
14 changed files with 82 additions and 735 deletions

26
test/ecdsa.js
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@ -4,11 +4,11 @@ var ecdsa = require('../src/ecdsa')
var message = require('../src/message')
var networks = require('../src/networks')
var sec = require('../src/sec')
var ecparams = sec("secp256k1")
var BigInteger = require('bigi')
var ecurve = require('ecurve')
var curve = ecurve.getCurveByName('secp256k1')
var fixtures = require('./fixtures/ecdsa.json')
describe('ecdsa', function() {
@ -18,7 +18,7 @@ describe('ecdsa', function() {
var d = BigInteger.fromHex(f.d)
var h1 = crypto.sha256(f.message)
var k = ecdsa.deterministicGenerateK(ecparams, h1, d)
var k = ecdsa.deterministicGenerateK(curve, h1, d)
assert.equal(k.toHex(), f.k)
})
})
@ -29,12 +29,12 @@ describe('ecdsa', function() {
var d = BigInteger.ONE
var signature = new Buffer('INcvXVVEFyIfHLbDX+xoxlKFn3Wzj9g0UbhObXdMq+YMKC252o5RHFr0/cKdQe1WsBLUBi4morhgZ77obDJVuV0=', 'base64')
var Q = ecparams.getG().multiply(d)
var Q = curve.params.G.multiply(d)
var hash = message.magicHash('1111', networks.bitcoin)
var e = BigInteger.fromBuffer(hash)
var parsed = ecdsa.parseSigCompact(signature)
var Qprime = ecdsa.recoverPubKey(ecparams, e, parsed.signature, parsed.i)
var Qprime = ecdsa.recoverPubKey(curve, e, parsed.signature, parsed.i)
assert(Q.equals(Qprime))
})
})
@ -44,7 +44,7 @@ describe('ecdsa', function() {
it('produces a deterministic signature for \"' + f.message + '\"', function() {
var d = BigInteger.fromHex(f.d)
var hash = crypto.sha256(f.message)
var signature = ecdsa.sign(ecparams, hash, d)
var signature = ecdsa.sign(curve, hash, d)
assert.equal(signature.r.toString(), f.signature.r)
assert.equal(signature.s.toString(), f.signature.s)
@ -53,10 +53,10 @@ describe('ecdsa', function() {
it('should sign with low S value', function() {
var hash = crypto.sha256('Vires in numeris')
var sig = ecdsa.sign(ecparams, hash, BigInteger.ONE)
var sig = ecdsa.sign(curve, hash, BigInteger.ONE)
// See BIP62 for more information
var N_OVER_TWO = ecparams.getN().shiftRight(1)
var N_OVER_TWO = curve.params.n.shiftRight(1)
assert(sig.s.compareTo(N_OVER_TWO) <= 0)
})
})
@ -65,7 +65,7 @@ describe('ecdsa', function() {
fixtures.valid.forEach(function(f) {
it('verifies a valid signature for \"' + f.message + '\"', function() {
var d = BigInteger.fromHex(f.d)
var Q = ecparams.getG().multiply(d)
var Q = curve.params.G.multiply(d)
var signature = {
r: new BigInteger(f.signature.r),
@ -73,7 +73,7 @@ describe('ecdsa', function() {
}
var e = BigInteger.fromBuffer(crypto.sha256(f.message))
assert(ecdsa.verifyRaw(ecparams, e, signature, Q))
assert(ecdsa.verifyRaw(curve, e, signature, Q))
})
})
@ -85,9 +85,9 @@ describe('ecdsa', function() {
r: new BigInteger(f.signature.r),
s: new BigInteger(f.signature.s)
}
var Q = ecparams.getG().multiply(d)
var Q = curve.params.G.multiply(d)
assert.equal(ecdsa.verifyRaw(ecparams, e, signature, Q), false)
assert.equal(ecdsa.verifyRaw(curve, e, signature, Q), false)
})
})
})