commit
1b66976d92
3 changed files with 36 additions and 13 deletions
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@ -7,17 +7,17 @@ var ecdsa = require('./ecdsa')
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var ECPubKey = require('./eckey').ECPubKey
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// FIXME: magicHash is incompatible with other magic messages
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var magicBytes = convert.stringToBytes('Bitcoin Signed Message:\n')
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var magicBytes = new Buffer('Bitcoin Signed Message:\n')
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function magicHash(message) {
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var messageBytes = convert.stringToBytes(message)
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var messageBytes = new Buffer(message)
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var buffer = [].concat(
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convert.numToVarInt(magicBytes.length),
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var buffer = Buffer.concat([
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new Buffer(convert.numToVarInt(magicBytes.length)),
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magicBytes,
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convert.numToVarInt(messageBytes.length),
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new Buffer(convert.numToVarInt(messageBytes.length)),
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messageBytes
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)
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])
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return crypto.hash256(buffer)
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}
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12
test/fixtures/message.js
vendored
Normal file
12
test/fixtures/message.js
vendored
Normal file
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@ -0,0 +1,12 @@
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module.exports = {
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magicHash: [
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{
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message: '',
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hash256: '80e795d4a4caadd7047af389d9f7f220562feb6196032e2131e10563352c4bcc'
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},
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{
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message: 'Vires is Numeris',
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hash256: 'f8a5affbef4a3241b19067aa694562f64f513310817297089a8929a930f4f933'
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}
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]
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}
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@ -1,7 +1,9 @@
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var assert = require('assert')
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var convert = require('../').convert
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var ECKey = require('../src/eckey').ECKey
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var Message = require('../').Message
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var network = require('../').network
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var fixtures = require('./fixtures/message')
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describe('Message', function() {
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var msg
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@ -10,6 +12,17 @@ describe('Message', function() {
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msg = 'vires is numeris'
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})
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describe('magicHash', function() {
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it('matches the test vectors', function() {
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fixtures.magicHash.forEach(function(f) {
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var actual = Message.magicHash(f.message)
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var expected = f.hash256
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assert.equal(actual.toString('hex'), expected)
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})
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})
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})
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describe('verify', function() {
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var addr, sig, caddr, csig
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@ -17,8 +30,8 @@ describe('Message', function() {
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addr = '16UwLL9Risc3QfPqBUvKofHmBQ7wMtjvM' // uncompressed
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caddr = '1PMycacnJaSqwwJqjawXBErnLsZ7RkXUAs' // compressed
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sig = convert.hexToBytes('1bc25ac0fb503abc9bad23f558742740fafaec1f52deaaf106b9759a5ce84c93921c4a669c5ec3dfeb7e2d7d177a2f49db407900874f6de2f701a4c16783776d8d')
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csig = convert.hexToBytes('1fc25ac0fb503abc9bad23f558742740fafaec1f52deaaf106b9759a5ce84c93921c4a669c5ec3dfeb7e2d7d177a2f49db407900874f6de2f701a4c16783776d8d')
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sig = new Buffer('1bc25ac0fb503abc9bad23f558742740fafaec1f52deaaf106b9759a5ce84c93921c4a669c5ec3dfeb7e2d7d177a2f49db407900874f6de2f701a4c16783776d8d', 'hex')
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csig = new Buffer('1fc25ac0fb503abc9bad23f558742740fafaec1f52deaaf106b9759a5ce84c93921c4a669c5ec3dfeb7e2d7d177a2f49db407900874f6de2f701a4c16783776d8d', 'hex')
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})
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it('can verify a signed message', function() {
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@ -38,7 +51,7 @@ describe('Message', function() {
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it('supports alternate network addresses', function() {
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var taddr = 'mxnQZKxSKjzaMgrdXzk35rif3u62TLDrg9'
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var tsig = convert.base64ToBytes('IGucnrTku3KLCCHUMwq9anawfrlN8RK1HWMN+10LhsHJeysBdWfj5ohJcS/+oqrlVFNvEgbgEeAQUL6r3sZwnj8=')
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var tsig = new Buffer('IGucnrTku3KLCCHUMwq9anawfrlN8RK1HWMN+10LhsHJeysBdWfj5ohJcS/+oqrlVFNvEgbgEeAQUL6r3sZwnj8=', 'base64')
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assert.ok(Message.verify(taddr, tsig, msg))
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assert.ok(!Message.verify(taddr, tsig, 'foobar'))
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@ -70,12 +83,10 @@ describe('Message', function() {
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describe('testnet address', function(){
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it('works', function(){
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var testnet = require('../').network.testnet
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var key = ECKey.makeRandom()
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var sig = Message.sign(key, msg)
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var addr = key.pub.getAddress(testnet.pubKeyHash)
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var addr = key.pub.getAddress(network.testnet.pubKeyHash)
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assert(Message.verify(addr, sig, msg))
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})
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})
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