JP Richardson
8 years ago
committed by
GitHub
GitHub
9 changed files with 5 additions and 437 deletions
@ -1,54 +0,0 @@ |
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var bufferutils = require('./bufferutils') |
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var bcrypto = require('./crypto') |
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var ecdsa = require('./ecdsa') |
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var networks = require('./networks') |
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var BigInteger = require('bigi') |
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var ECPair = require('./ecpair') |
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var ECSignature = require('./ecsignature') |
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function magicHash (message, network) { |
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var messagePrefix = new Buffer(network.messagePrefix) |
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var messageBuffer = new Buffer(message) |
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var lengthBuffer = bufferutils.varIntBuffer(messageBuffer.length) |
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var buffer = Buffer.concat([messagePrefix, lengthBuffer, messageBuffer]) |
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return bcrypto.hash256(buffer) |
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} |
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function sign (keyPair, message, network) { |
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network = network || networks.bitcoin |
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var hash = magicHash(message, network) |
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var signature = keyPair.sign(hash) |
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var e = BigInteger.fromBuffer(hash) |
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var i = ecdsa.calcPubKeyRecoveryParam(e, signature, keyPair.Q) |
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return signature.toCompact(i, keyPair.compressed) |
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} |
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function verify (address, signature, message, network) { |
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if (!Buffer.isBuffer(signature)) { |
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signature = new Buffer(signature, 'base64') |
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} |
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network = network || networks.bitcoin |
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var hash = magicHash(message, network) |
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var parsed = ECSignature.parseCompact(signature) |
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var e = BigInteger.fromBuffer(hash) |
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var Q = ecdsa.recoverPubKey(e, parsed.signature, parsed.i) |
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var keyPair = new ECPair(null, Q, { |
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compressed: parsed.compressed, |
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network: network |
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}) |
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return keyPair.getAddress() === address |
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} |
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module.exports = { |
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magicHash: magicHash, |
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sign: sign, |
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verify: verify |
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} |
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@ -1,86 +0,0 @@ |
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{ |
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"valid": { |
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"magicHash": [ |
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{ |
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"network": "bitcoin", |
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"message": "", |
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"magicHash": "80e795d4a4caadd7047af389d9f7f220562feb6196032e2131e10563352c4bcc" |
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}, |
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{ |
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"network": "bitcoin", |
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"message": "Vires is Numeris", |
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"magicHash": "f8a5affbef4a3241b19067aa694562f64f513310817297089a8929a930f4f933" |
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}, |
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{ |
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"network": "dogecoin", |
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"message": "Vires is Numeris", |
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"magicHash": "c0963d20d0accd0ea0df6c1020bf85a7e629a40e7b5363f2c3e9dcafd5638f12" |
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} |
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], |
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"verify": [ |
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{ |
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"message": "vires is numeris", |
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"network": "bitcoin", |
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"address": "16UwLL9Risc3QfPqBUvKofHmBQ7wMtjvM", |
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"signature": "G8JawPtQOrybrSP1WHQnQPr67B9S3qrxBrl1mlzoTJOSHEpmnF7D3+t+LX0Xei9J20B5AIdPbeL3AaTBZ4N3bY0=", |
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"compressed": { |
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"address": "1PMycacnJaSqwwJqjawXBErnLsZ7RkXUAs", |
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"signature": "H8JawPtQOrybrSP1WHQnQPr67B9S3qrxBrl1mlzoTJOSHEpmnF7D3+t+LX0Xei9J20B5AIdPbeL3AaTBZ4N3bY0=" |
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} |
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}, |
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{ |
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"message": "vires is numeris", |
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"network": "dogecoin", |
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"address": "DFpN6QqFfUm3gKNaxN6tNcab1FArL9cZLE", |
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"signature": "H6k+dZwJ8oOei3PCSpdj603fDvhlhQ+sqaFNIDvo/bI+Xh6zyIKGzZpyud6YhZ1a5mcrwMVtTWL+VXq/hC5Zj7s=" |
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} |
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], |
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"signing": [ |
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{ |
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"description": "gives equal r, s values irrespective of point compression", |
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"message": "vires is numeris", |
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"network": "bitcoin", |
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"d": "1", |
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"signature": "HF8nHqFr3K2UKYahhX3soVeoW8W1ECNbr0wfck7lzyXjCS5Q16Ek45zyBuy1Fiy9sTPKVgsqqOuPvbycuVSSVl8=", |
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"compressed": { |
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"signature": "IF8nHqFr3K2UKYahhX3soVeoW8W1ECNbr0wfck7lzyXjCS5Q16Ek45zyBuy1Fiy9sTPKVgsqqOuPvbycuVSSVl8=" |
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} |
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}, |
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{ |
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"description": "supports alternative networks", |
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"message": "vires is numeris", |
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"network": "dogecoin", |
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"d": "1", |
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"signature": "G6k+dZwJ8oOei3PCSpdj603fDvhlhQ+sqaFNIDvo/bI+Xh6zyIKGzZpyud6YhZ1a5mcrwMVtTWL+VXq/hC5Zj7s=" |
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} |
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] |
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}, |
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"invalid": { |
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"verify": [ |
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{ |
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"description": "will fail for the wrong message", |
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"message": "foobar", |
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"address": "16UwLL9Risc3QfPqBUvKofHmBQ7wMtjvM", |
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"signature": "G8JawPtQOrybrSP1WHQnQPr67B9S3qrxBrl1mlzoTJOSHEpmnF7D3+t+LX0Xei9J20B5AIdPbeL3AaTBZ4N3bY0=" |
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}, |
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{ |
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"description": "will fail for the wrong address", |
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"message": "vires is numeris", |
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"address": "1111111111111111111114oLvT2", |
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"signature": "H8JawPtQOrybrSP1WHQnQPr67B9S3qrxBrl1mlzoTJOSHEpmnF7D3+t+LX0Xei9J20B5AIdPbeL3AaTBZ4N3bY0=" |
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}, |
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{ |
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"description": "does not cross verify (uncompressed address, compressed signature)", |
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"message": "vires is numeris", |
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"address": "16UwLL9Risc3QfPqBUvKofHmBQ7wMtjvM", |
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"signature": "H8JawPtQOrybrSP1WHQnQPr67B9S3qrxBrl1mlzoTJOSHEpmnF7D3+t+LX0Xei9J20B5AIdPbeL3AaTBZ4N3bY0=" |
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}, |
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{ |
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"description": "does not cross verify (compressed address, uncompressed signature)", |
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"message": "vires is numeris", |
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"address": "1PMycacnJaSqwwJqjawXBErnLsZ7RkXUAs", |
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"signature": "G8JawPtQOrybrSP1WHQnQPr67B9S3qrxBrl1mlzoTJOSHEpmnF7D3+t+LX0Xei9J20B5AIdPbeL3AaTBZ4N3bY0=" |
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} |
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] |
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} |
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} |
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@ -1,64 +0,0 @@ |
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/* global describe, it */ |
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var assert = require('assert') |
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var message = require('../src/message') |
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var networks = require('../src/networks') |
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var BigInteger = require('bigi') |
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var ECPair = require('../src/ecpair') |
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var fixtures = require('./fixtures/message.json') |
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describe('message', function () { |
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describe('magicHash', function () { |
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fixtures.valid.magicHash.forEach(function (f) { |
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it('produces the correct magicHash for "' + f.message + '" (' + f.network + ')', function () { |
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var network = networks[f.network] |
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var actual = message.magicHash(f.message, network) |
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assert.strictEqual(actual.toString('hex'), f.magicHash) |
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}) |
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}) |
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}) |
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describe('verify', function () { |
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fixtures.valid.verify.forEach(function (f) { |
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it('verifies a valid signature for "' + f.message + '" (' + f.network + ')', function () { |
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var network = networks[f.network] |
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assert(message.verify(f.address, f.signature, f.message, network)) |
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if (f.compressed) { |
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assert(message.verify(f.compressed.address, f.compressed.signature, f.message, network)) |
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} |
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}) |
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}) |
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fixtures.invalid.verify.forEach(function (f) { |
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it(f.description, function () { |
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assert(!message.verify(f.address, f.signature, f.message)) |
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}) |
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}) |
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}) |
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describe('signing', function () { |
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fixtures.valid.signing.forEach(function (f) { |
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it(f.description, function () { |
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var network = networks[f.network] |
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var keyPair = new ECPair(new BigInteger(f.d), null, { |
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compressed: false |
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}) |
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var signature = message.sign(keyPair, f.message, network) |
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assert.strictEqual(signature.toString('base64'), f.signature) |
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if (f.compressed) { |
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var compressedPrivKey = new ECPair(new BigInteger(f.d)) |
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var compressedSignature = message.sign(compressedPrivKey, f.message) |
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assert.strictEqual(compressedSignature.toString('base64'), f.compressed.signature) |
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} |
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}) |
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}) |
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}) |
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}) |
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