You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
254 lines
10 KiB
254 lines
10 KiB
'use strict';
|
|
|
|
var should = require('chai').should();
|
|
var bitcore = require('../..');
|
|
var BN = bitcore.crypto.BN;
|
|
var Signature = bitcore.crypto.Signature;
|
|
var JSUtil = bitcore.util.js;
|
|
var Interpreter = bitcore.Script.Interpreter;
|
|
|
|
var sig_canonical = require('../data/bitcoind/sig_canonical');
|
|
var sig_noncanonical = require('../data/bitcoind/sig_noncanonical');
|
|
|
|
describe('Signature', function() {
|
|
|
|
it('should make a blank signature', function() {
|
|
var sig = new Signature();
|
|
should.exist(sig);
|
|
});
|
|
|
|
it('should work with conveniently setting r, s', function() {
|
|
var r = new BN();
|
|
var s = new BN();
|
|
var sig = new Signature(r, s);
|
|
should.exist(sig);
|
|
sig.r.toString().should.equal(r.toString());
|
|
sig.s.toString().should.equal(s.toString());
|
|
});
|
|
|
|
describe('#set', function() {
|
|
|
|
it('should set compressed', function() {
|
|
should.exist(Signature().set({
|
|
compressed: true
|
|
}));
|
|
});
|
|
|
|
});
|
|
|
|
describe('#fromCompact', function() {
|
|
|
|
it('should create a signature from a compressed signature', function() {
|
|
var blank = new Buffer(32);
|
|
blank.fill(0);
|
|
var compressed = Buffer.concat([
|
|
new Buffer([0 + 27 + 4]),
|
|
blank,
|
|
blank
|
|
]);
|
|
var sig = Signature.fromCompact(compressed);
|
|
sig.r.cmp(BN.Zero).should.equal(0);
|
|
sig.s.cmp(BN.Zero).should.equal(0);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#fromDER', function() {
|
|
|
|
var buf = new Buffer('3044022075fc517e541bd54769c080b64397e32161c850f6c1b2b67a5c433affbb3e62770220729e85cc46ffab881065ec07694220e71d4df9b2b8c8fd12c3122cf3a5efbcf2', 'hex');
|
|
|
|
it('should parse this DER format signature', function() {
|
|
var sig = Signature.fromDER(buf);
|
|
sig.r.toBuffer({
|
|
size: 32
|
|
}).toString('hex').should.equal('75fc517e541bd54769c080b64397e32161c850f6c1b2b67a5c433affbb3e6277');
|
|
sig.s.toBuffer({
|
|
size: 32
|
|
}).toString('hex').should.equal('729e85cc46ffab881065ec07694220e71d4df9b2b8c8fd12c3122cf3a5efbcf2');
|
|
});
|
|
|
|
});
|
|
|
|
describe('#fromString', function() {
|
|
|
|
var buf = new Buffer('3044022075fc517e541bd54769c080b64397e32161c850f6c1b2b67a5c433affbb3e62770220729e85cc46ffab881065ec07694220e71d4df9b2b8c8fd12c3122cf3a5efbcf2', 'hex');
|
|
|
|
it('should parse this DER format signature in hex', function() {
|
|
var sig = Signature.fromString(buf.toString('hex'));
|
|
sig.r.toBuffer({
|
|
size: 32
|
|
}).toString('hex').should.equal('75fc517e541bd54769c080b64397e32161c850f6c1b2b67a5c433affbb3e6277');
|
|
sig.s.toBuffer({
|
|
size: 32
|
|
}).toString('hex').should.equal('729e85cc46ffab881065ec07694220e71d4df9b2b8c8fd12c3122cf3a5efbcf2');
|
|
});
|
|
|
|
});
|
|
|
|
describe('#fromTxFormat', function() {
|
|
|
|
it('should convert from this known tx-format buffer', function() {
|
|
var buf = new Buffer('30450221008bab1f0a2ff2f9cb8992173d8ad73c229d31ea8e10b0f4d4ae1a0d8ed76021fa02200993a6ec81755b9111762fc2cf8e3ede73047515622792110867d12654275e7201', 'hex');
|
|
var sig = Signature.fromTxFormat(buf);
|
|
sig.r.toString().should.equal('63173831029936981022572627018246571655303050627048489594159321588908385378810');
|
|
sig.s.toString().should.equal('4331694221846364448463828256391194279133231453999942381442030409253074198130');
|
|
sig.nhashtype.should.equal(Signature.SIGHASH_ALL);
|
|
});
|
|
|
|
it('should parse this known signature and rebuild it', function() {
|
|
var hex = "3044022007415aa37ce7eaa6146001ac8bdefca0ddcba0e37c5dc08c4ac99392124ebac802207d382307fd53f65778b07b9c63b6e196edeadf0be719130c5db21ff1e700d67501";
|
|
var buf = new Buffer(hex, 'hex');
|
|
var sig = Signature.fromTxFormat(buf);
|
|
sig.toTxFormat().toString('hex').should.equal(hex);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#parseDER', function() {
|
|
|
|
it('should parse this signature generated in node', function() {
|
|
var sighex = '30450221008bab1f0a2ff2f9cb8992173d8ad73c229d31ea8e10b0f4d4ae1a0d8ed76021fa02200993a6ec81755b9111762fc2cf8e3ede73047515622792110867d12654275e72';
|
|
var sig = new Buffer(sighex, 'hex');
|
|
var parsed = Signature.parseDER(sig);
|
|
parsed.header.should.equal(0x30);
|
|
parsed.length.should.equal(69);
|
|
parsed.rlength.should.equal(33);
|
|
parsed.rneg.should.equal(true);
|
|
parsed.rbuf.toString('hex').should.equal('008bab1f0a2ff2f9cb8992173d8ad73c229d31ea8e10b0f4d4ae1a0d8ed76021fa');
|
|
parsed.r.toString().should.equal('63173831029936981022572627018246571655303050627048489594159321588908385378810');
|
|
parsed.slength.should.equal(32);
|
|
parsed.sneg.should.equal(false);
|
|
parsed.sbuf.toString('hex').should.equal('0993a6ec81755b9111762fc2cf8e3ede73047515622792110867d12654275e72');
|
|
parsed.s.toString().should.equal('4331694221846364448463828256391194279133231453999942381442030409253074198130');
|
|
});
|
|
|
|
it('should parse this 69 byte signature', function() {
|
|
var sighex = '3043021f59e4705959cc78acbfcf8bd0114e9cc1b389a4287fb33152b73a38c319b50302202f7428a27284c757e409bf41506183e9e49dfb54d5063796dfa0d403a4deccfa';
|
|
var sig = new Buffer(sighex, 'hex');
|
|
var parsed = Signature.parseDER(sig);
|
|
parsed.header.should.equal(0x30);
|
|
parsed.length.should.equal(67);
|
|
parsed.rlength.should.equal(31);
|
|
parsed.rneg.should.equal(false);
|
|
parsed.rbuf.toString('hex').should.equal('59e4705959cc78acbfcf8bd0114e9cc1b389a4287fb33152b73a38c319b503');
|
|
parsed.r.toString().should.equal('158826015856106182499128681792325160381907915189052224498209222621383996675');
|
|
parsed.slength.should.equal(32);
|
|
parsed.sneg.should.equal(false);
|
|
parsed.sbuf.toString('hex').should.equal('2f7428a27284c757e409bf41506183e9e49dfb54d5063796dfa0d403a4deccfa');
|
|
parsed.s.toString().should.equal('21463938592353267769710297084836796652964571266930856168996063301532842380538');
|
|
});
|
|
|
|
it('should parse this 68 byte signature', function() {
|
|
var sighex = '3042021e17cfe77536c3fb0526bd1a72d7a8e0973f463add210be14063c8a9c37632022061bfa677f825ded82ba0863fb0c46ca1388dd3e647f6a93c038168b59d131a51';
|
|
var sig = new Buffer(sighex, 'hex');
|
|
var parsed = Signature.parseDER(sig);
|
|
parsed.header.should.equal(0x30);
|
|
parsed.length.should.equal(66);
|
|
parsed.rlength.should.equal(30);
|
|
parsed.rneg.should.equal(false);
|
|
parsed.rbuf.toString('hex').should.equal('17cfe77536c3fb0526bd1a72d7a8e0973f463add210be14063c8a9c37632');
|
|
parsed.r.toString().should.equal('164345250294671732127776123343329699648286106708464198588053542748255794');
|
|
parsed.slength.should.equal(32);
|
|
parsed.sneg.should.equal(false);
|
|
parsed.sbuf.toString('hex').should.equal('61bfa677f825ded82ba0863fb0c46ca1388dd3e647f6a93c038168b59d131a51');
|
|
parsed.s.toString().should.equal('44212963026209759051804639008236126356702363229859210154760104982946304432721');
|
|
});
|
|
|
|
it('should parse this signature from script_valid.json', function() {
|
|
var sighex = '304502203e4516da7253cf068effec6b95c41221c0cf3a8e6ccb8cbf1725b562e9afde2c022100ab1e3da73d67e32045a20e0b999e049978ea8d6ee5480d485fcf2ce0d03b2ef051';
|
|
var sig = Buffer(sighex, 'hex');
|
|
var parsed = Signature.parseDER(sig, false);
|
|
should.exist(parsed);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#toDER', function() {
|
|
|
|
it('should convert these known r and s values into a known signature', function() {
|
|
var r = new BN('63173831029936981022572627018246571655303050627048489594159321588908385378810');
|
|
var s = new BN('4331694221846364448463828256391194279133231453999942381442030409253074198130');
|
|
var sig = new Signature({
|
|
r: r,
|
|
s: s
|
|
});
|
|
var der = sig.toDER(r, s);
|
|
der.toString('hex').should.equal('30450221008bab1f0a2ff2f9cb8992173d8ad73c229d31ea8e10b0f4d4ae1a0d8ed76021fa02200993a6ec81755b9111762fc2cf8e3ede73047515622792110867d12654275e72');
|
|
});
|
|
|
|
});
|
|
|
|
describe('#toString', function() {
|
|
it('should convert this signature in to hex DER', function() {
|
|
var r = new BN('63173831029936981022572627018246571655303050627048489594159321588908385378810');
|
|
var s = new BN('4331694221846364448463828256391194279133231453999942381442030409253074198130');
|
|
var sig = new Signature({
|
|
r: r,
|
|
s: s
|
|
});
|
|
var hex = sig.toString();
|
|
hex.should.equal('30450221008bab1f0a2ff2f9cb8992173d8ad73c229d31ea8e10b0f4d4ae1a0d8ed76021fa02200993a6ec81755b9111762fc2cf8e3ede73047515622792110867d12654275e72');
|
|
});
|
|
});
|
|
|
|
|
|
describe('@isTxDER', function() {
|
|
it('should know this is a DER signature', function() {
|
|
var sighex = '3042021e17cfe77536c3fb0526bd1a72d7a8e0973f463add210be14063c8a9c37632022061bfa677f825ded82ba0863fb0c46ca1388dd3e647f6a93c038168b59d131a5101';
|
|
var sigbuf = new Buffer(sighex, 'hex');
|
|
Signature.isTxDER(sigbuf).should.equal(true);
|
|
});
|
|
|
|
it('should know this is not a DER signature', function() {
|
|
//for more extensive tests, see the script interpreter
|
|
var sighex = '3042021e17cfe77536c3fb0526bd1a72d7a8e0973f463add210be14063c8a9c37632022061bfa677f825ded82ba0863fb0c46ca1388dd3e647f6a93c038168b59d131a5101';
|
|
var sigbuf = new Buffer(sighex, 'hex');
|
|
sigbuf[0] = 0x31;
|
|
Signature.isTxDER(sigbuf).should.equal(false);
|
|
});
|
|
|
|
|
|
describe('bitcoind fixtures', function() {
|
|
var test_sigs = function(set, expected) {
|
|
var i = 0;
|
|
set.forEach(function(vector) {
|
|
if (!JSUtil.isHexa(vector)) {
|
|
// non-hex strings are ignored
|
|
return;
|
|
}
|
|
it('should be ' + (expected ? '' : 'in') + 'valid for fixture #' + i, function() {
|
|
var sighex = vector;
|
|
var interp = Interpreter();
|
|
interp.flags = Interpreter.SCRIPT_VERIFY_DERSIG |
|
|
Interpreter.SCRIPT_VERIFY_STRICTENC;
|
|
var result = interp.checkSignatureEncoding(new Buffer(sighex, 'hex'));
|
|
result.should.equal(expected);
|
|
});
|
|
i++;
|
|
});
|
|
};
|
|
test_sigs(sig_canonical, true);
|
|
test_sigs(sig_noncanonical, false);
|
|
});
|
|
|
|
});
|
|
describe('#hasLowS', function() {
|
|
it('should detect high and low S', function() {
|
|
var r = new BN('63173831029936981022572627018246571655303050627048489594159321588908385378810');
|
|
var s = new BN('4331694221846364448463828256391194279133231453999942381442030409253074198130');
|
|
var s2 = new BN('7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B2000');
|
|
var sig = new Signature({
|
|
r: r,
|
|
s: s
|
|
});
|
|
var sig2 = new Signature({
|
|
r: r,
|
|
s: s2
|
|
});
|
|
sig2.hasLowS().should.equal(true);
|
|
sig.hasLowS().should.equal(false);
|
|
|
|
});
|
|
});
|
|
|
|
});
|
|
|