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ecdsa: adds test for detGenK loop

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This commit is contained in:
Daniel Cousens 2014-06-26 02:42:51 +10:00
parent ab55417d6d
commit bdb0fe8020
1 changed files with 16 additions and 0 deletions
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16
test/ecdsa.js
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@ -3,6 +3,7 @@ var crypto = require('../src/crypto')
var ecdsa = require('../src/ecdsa')
var message = require('../src/message')
var networks = require('../src/networks')
var sinon = require('sinon')
var BigInteger = require('bigi')
var ECSignature = require('../src/ecsignature')
@ -23,6 +24,21 @@ describe('ecdsa', function() {
assert.equal(k.toHex(), f.k)
})
})
it('loops until an appropriate k value is found', sinon.test(function() {
this.mock(BigInteger).expects('fromBuffer')
.exactly(3)
.onCall(0).returns(new BigInteger('0'))
.onCall(1).returns(curve.n)
.onCall(2).returns(new BigInteger('42'))
var d = new BigInteger('1')
var h1 = new Buffer(32)
var k = ecdsa.deterministicGenerateK(curve, h1, d)
assert.equal(k.toString(), '42')
}))
})
describe('recoverPubKey', function() {