6 changed files with 4 additions and 210 deletions
@ -1,54 +0,0 @@ |
|||||
var bufferutils = require('./bufferutils') |
|
||||
var bcrypto = require('./crypto') |
|
||||
var ecdsa = require('./ecdsa') |
|
||||
var networks = require('./networks') |
|
||||
|
|
||||
var BigInteger = require('bigi') |
|
||||
var ECPair = require('./ecpair') |
|
||||
var ECSignature = require('./ecsignature') |
|
||||
|
|
||||
function magicHash (message, network) { |
|
||||
var messagePrefix = new Buffer(network.messagePrefix) |
|
||||
var messageBuffer = new Buffer(message) |
|
||||
var lengthBuffer = bufferutils.varIntBuffer(messageBuffer.length) |
|
||||
|
|
||||
var buffer = Buffer.concat([messagePrefix, lengthBuffer, messageBuffer]) |
|
||||
return bcrypto.hash256(buffer) |
|
||||
} |
|
||||
|
|
||||
function sign (keyPair, message, network) { |
|
||||
network = network || networks.bitcoin |
|
||||
|
|
||||
var hash = magicHash(message, network) |
|
||||
var signature = keyPair.sign(hash) |
|
||||
var e = BigInteger.fromBuffer(hash) |
|
||||
var i = ecdsa.calcPubKeyRecoveryParam(e, signature, keyPair.Q) |
|
||||
|
|
||||
return signature.toCompact(i, keyPair.compressed) |
|
||||
} |
|
||||
|
|
||||
function verify (address, signature, message, network) { |
|
||||
if (!Buffer.isBuffer(signature)) { |
|
||||
signature = new Buffer(signature, 'base64') |
|
||||
} |
|
||||
|
|
||||
network = network || networks.bitcoin |
|
||||
|
|
||||
var hash = magicHash(message, network) |
|
||||
var parsed = ECSignature.parseCompact(signature) |
|
||||
var e = BigInteger.fromBuffer(hash) |
|
||||
var Q = ecdsa.recoverPubKey(e, parsed.signature, parsed.i) |
|
||||
|
|
||||
var keyPair = new ECPair(null, Q, { |
|
||||
compressed: parsed.compressed, |
|
||||
network: network |
|
||||
}) |
|
||||
|
|
||||
return keyPair.getAddress() === address |
|
||||
} |
|
||||
|
|
||||
module.exports = { |
|
||||
magicHash: magicHash, |
|
||||
sign: sign, |
|
||||
verify: verify |
|
||||
} |
|
@ -1,86 +0,0 @@ |
|||||
{ |
|
||||
"valid": { |
|
||||
"magicHash": [ |
|
||||
{ |
|
||||
"network": "bitcoin", |
|
||||
"message": "", |
|
||||
"magicHash": "80e795d4a4caadd7047af389d9f7f220562feb6196032e2131e10563352c4bcc" |
|
||||
}, |
|
||||
{ |
|
||||
"network": "bitcoin", |
|
||||
"message": "Vires is Numeris", |
|
||||
"magicHash": "f8a5affbef4a3241b19067aa694562f64f513310817297089a8929a930f4f933" |
|
||||
}, |
|
||||
{ |
|
||||
"network": "dogecoin", |
|
||||
"message": "Vires is Numeris", |
|
||||
"magicHash": "c0963d20d0accd0ea0df6c1020bf85a7e629a40e7b5363f2c3e9dcafd5638f12" |
|
||||
} |
|
||||
], |
|
||||
"verify": [ |
|
||||
{ |
|
||||
"message": "vires is numeris", |
|
||||
"network": "bitcoin", |
|
||||
"address": "16UwLL9Risc3QfPqBUvKofHmBQ7wMtjvM", |
|
||||
"signature": "G8JawPtQOrybrSP1WHQnQPr67B9S3qrxBrl1mlzoTJOSHEpmnF7D3+t+LX0Xei9J20B5AIdPbeL3AaTBZ4N3bY0=", |
|
||||
"compressed": { |
|
||||
"address": "1PMycacnJaSqwwJqjawXBErnLsZ7RkXUAs", |
|
||||
"signature": "H8JawPtQOrybrSP1WHQnQPr67B9S3qrxBrl1mlzoTJOSHEpmnF7D3+t+LX0Xei9J20B5AIdPbeL3AaTBZ4N3bY0=" |
|
||||
} |
|
||||
}, |
|
||||
{ |
|
||||
"message": "vires is numeris", |
|
||||
"network": "dogecoin", |
|
||||
"address": "DFpN6QqFfUm3gKNaxN6tNcab1FArL9cZLE", |
|
||||
"signature": "H6k+dZwJ8oOei3PCSpdj603fDvhlhQ+sqaFNIDvo/bI+Xh6zyIKGzZpyud6YhZ1a5mcrwMVtTWL+VXq/hC5Zj7s=" |
|
||||
} |
|
||||
], |
|
||||
"signing": [ |
|
||||
{ |
|
||||
"description": "gives equal r, s values irrespective of point compression", |
|
||||
"message": "vires is numeris", |
|
||||
"network": "bitcoin", |
|
||||
"d": "1", |
|
||||
"signature": "HF8nHqFr3K2UKYahhX3soVeoW8W1ECNbr0wfck7lzyXjCS5Q16Ek45zyBuy1Fiy9sTPKVgsqqOuPvbycuVSSVl8=", |
|
||||
"compressed": { |
|
||||
"signature": "IF8nHqFr3K2UKYahhX3soVeoW8W1ECNbr0wfck7lzyXjCS5Q16Ek45zyBuy1Fiy9sTPKVgsqqOuPvbycuVSSVl8=" |
|
||||
} |
|
||||
}, |
|
||||
{ |
|
||||
"description": "supports alternative networks", |
|
||||
"message": "vires is numeris", |
|
||||
"network": "dogecoin", |
|
||||
"d": "1", |
|
||||
"signature": "G6k+dZwJ8oOei3PCSpdj603fDvhlhQ+sqaFNIDvo/bI+Xh6zyIKGzZpyud6YhZ1a5mcrwMVtTWL+VXq/hC5Zj7s=" |
|
||||
} |
|
||||
] |
|
||||
}, |
|
||||
"invalid": { |
|
||||
"verify": [ |
|
||||
{ |
|
||||
"description": "will fail for the wrong message", |
|
||||
"message": "foobar", |
|
||||
"address": "16UwLL9Risc3QfPqBUvKofHmBQ7wMtjvM", |
|
||||
"signature": "G8JawPtQOrybrSP1WHQnQPr67B9S3qrxBrl1mlzoTJOSHEpmnF7D3+t+LX0Xei9J20B5AIdPbeL3AaTBZ4N3bY0=" |
|
||||
}, |
|
||||
{ |
|
||||
"description": "will fail for the wrong address", |
|
||||
"message": "vires is numeris", |
|
||||
"address": "1111111111111111111114oLvT2", |
|
||||
"signature": "H8JawPtQOrybrSP1WHQnQPr67B9S3qrxBrl1mlzoTJOSHEpmnF7D3+t+LX0Xei9J20B5AIdPbeL3AaTBZ4N3bY0=" |
|
||||
}, |
|
||||
{ |
|
||||
"description": "does not cross verify (uncompressed address, compressed signature)", |
|
||||
"message": "vires is numeris", |
|
||||
"address": "16UwLL9Risc3QfPqBUvKofHmBQ7wMtjvM", |
|
||||
"signature": "H8JawPtQOrybrSP1WHQnQPr67B9S3qrxBrl1mlzoTJOSHEpmnF7D3+t+LX0Xei9J20B5AIdPbeL3AaTBZ4N3bY0=" |
|
||||
}, |
|
||||
{ |
|
||||
"description": "does not cross verify (compressed address, uncompressed signature)", |
|
||||
"message": "vires is numeris", |
|
||||
"address": "1PMycacnJaSqwwJqjawXBErnLsZ7RkXUAs", |
|
||||
"signature": "G8JawPtQOrybrSP1WHQnQPr67B9S3qrxBrl1mlzoTJOSHEpmnF7D3+t+LX0Xei9J20B5AIdPbeL3AaTBZ4N3bY0=" |
|
||||
} |
|
||||
] |
|
||||
} |
|
||||
} |
|
@ -1,64 +0,0 @@ |
|||||
/* global describe, it */ |
|
||||
|
|
||||
var assert = require('assert') |
|
||||
var message = require('../src/message') |
|
||||
var networks = require('../src/networks') |
|
||||
|
|
||||
var BigInteger = require('bigi') |
|
||||
var ECPair = require('../src/ecpair') |
|
||||
|
|
||||
var fixtures = require('./fixtures/message.json') |
|
||||
|
|
||||
describe('message', function () { |
|
||||
describe('magicHash', function () { |
|
||||
fixtures.valid.magicHash.forEach(function (f) { |
|
||||
it('produces the correct magicHash for "' + f.message + '" (' + f.network + ')', function () { |
|
||||
var network = networks[f.network] |
|
||||
var actual = message.magicHash(f.message, network) |
|
||||
|
|
||||
assert.strictEqual(actual.toString('hex'), f.magicHash) |
|
||||
}) |
|
||||
}) |
|
||||
}) |
|
||||
|
|
||||
describe('verify', function () { |
|
||||
fixtures.valid.verify.forEach(function (f) { |
|
||||
it('verifies a valid signature for "' + f.message + '" (' + f.network + ')', function () { |
|
||||
var network = networks[f.network] |
|
||||
|
|
||||
assert(message.verify(f.address, f.signature, f.message, network)) |
|
||||
|
|
||||
if (f.compressed) { |
|
||||
assert(message.verify(f.compressed.address, f.compressed.signature, f.message, network)) |
|
||||
} |
|
||||
}) |
|
||||
}) |
|
||||
|
|
||||
fixtures.invalid.verify.forEach(function (f) { |
|
||||
it(f.description, function () { |
|
||||
assert(!message.verify(f.address, f.signature, f.message)) |
|
||||
}) |
|
||||
}) |
|
||||
}) |
|
||||
|
|
||||
describe('signing', function () { |
|
||||
fixtures.valid.signing.forEach(function (f) { |
|
||||
it(f.description, function () { |
|
||||
var network = networks[f.network] |
|
||||
|
|
||||
var keyPair = new ECPair(new BigInteger(f.d), null, { |
|
||||
compressed: false |
|
||||
}) |
|
||||
var signature = message.sign(keyPair, f.message, network) |
|
||||
assert.strictEqual(signature.toString('base64'), f.signature) |
|
||||
|
|
||||
if (f.compressed) { |
|
||||
var compressedPrivKey = new ECPair(new BigInteger(f.d)) |
|
||||
var compressedSignature = message.sign(compressedPrivKey, f.message) |
|
||||
|
|
||||
assert.strictEqual(compressedSignature.toString('base64'), f.compressed.signature) |
|
||||
} |
|
||||
}) |
|
||||
}) |
|
||||
}) |
|
||||
}) |
|
Loading…
Reference in new issue