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97 lines
3.8 KiB
97 lines
3.8 KiB
11 years ago
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var should = require('chai').should();
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var pubkey = require('../lib/pubkey');
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var point = require('../lib/point');
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var bn = require('../lib/bn');
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describe('pubkey', function() {
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it('should create a blank public key', function() {
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var pk = new pubkey();
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should.exist(pk);
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});
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it('should create a public key with a point', function() {
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var p = point();
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var pk = new pubkey(p);
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should.exist(pk.p);
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});
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describe('#fromDER', function() {
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it('should parse this uncompressed public key', function() {
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var pk = new pubkey();
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pk.fromDER(new Buffer('041ff0fe0f7b15ffaa85ff9f4744d539139c252a49710fb053bb9f2b933173ff9a7baad41d04514751e6851f5304fd243751703bed21b914f6be218c0fa354a341', 'hex'));
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pk.p.getX().toString(16).should.equal('1ff0fe0f7b15ffaa85ff9f4744d539139c252a49710fb053bb9f2b933173ff9a');
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pk.p.getY().toString(16).should.equal('7baad41d04514751e6851f5304fd243751703bed21b914f6be218c0fa354a341');
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});
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it('should parse this compressed public key', function() {
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var pk = new pubkey();
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pk.fromDER(new Buffer('031ff0fe0f7b15ffaa85ff9f4744d539139c252a49710fb053bb9f2b933173ff9a', 'hex'));
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pk.p.getX().toString(16).should.equal('1ff0fe0f7b15ffaa85ff9f4744d539139c252a49710fb053bb9f2b933173ff9a');
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pk.p.getY().toString(16).should.equal('7baad41d04514751e6851f5304fd243751703bed21b914f6be218c0fa354a341');
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});
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it('should throw an error on this invalid public key', function() {
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var pk = new pubkey();
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(function() {
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pk.fromDER(new Buffer('091ff0fe0f7b15ffaa85ff9f4744d539139c252a49710fb053bb9f2b933173ff9a', 'hex'));
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}).should.throw();
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});
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});
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describe('#fromString', function() {
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it('should parse this known valid public key', function() {
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pk = new pubkey();
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pk.fromString('041ff0fe0f7b15ffaa85ff9f4744d539139c252a49710fb053bb9f2b933173ff9a7baad41d04514751e6851f5304fd243751703bed21b914f6be218c0fa354a341');
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pk.p.getX().toString(16).should.equal('1ff0fe0f7b15ffaa85ff9f4744d539139c252a49710fb053bb9f2b933173ff9a');
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pk.p.getY().toString(16).should.equal('7baad41d04514751e6851f5304fd243751703bed21b914f6be218c0fa354a341');
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});
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});
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describe('#fromX', function() {
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it('should create this known public key', function() {
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var x = bn.fromBuffer(new Buffer('1ff0fe0f7b15ffaa85ff9f4744d539139c252a49710fb053bb9f2b933173ff9a', 'hex'));
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var pk = new pubkey();
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pk.fromX(true, x);
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pk.p.getX().toString(16).should.equal('1ff0fe0f7b15ffaa85ff9f4744d539139c252a49710fb053bb9f2b933173ff9a');
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pk.p.getY().toString(16).should.equal('7baad41d04514751e6851f5304fd243751703bed21b914f6be218c0fa354a341');
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});
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});
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describe('#toDER', function() {
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it('should return this compressed DER format', function() {
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var x = bn.fromBuffer(new Buffer('1ff0fe0f7b15ffaa85ff9f4744d539139c252a49710fb053bb9f2b933173ff9a', 'hex'));
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var pk = new pubkey();
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pk.fromX(true, x);
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pk.toDER(true).toString('hex').should.equal('031ff0fe0f7b15ffaa85ff9f4744d539139c252a49710fb053bb9f2b933173ff9a');
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});
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it('should return this uncompressed DER format', function() {
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var x = bn.fromBuffer(new Buffer('1ff0fe0f7b15ffaa85ff9f4744d539139c252a49710fb053bb9f2b933173ff9a', 'hex'));
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var pk = new pubkey();
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pk.fromX(true, x);
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pk.toDER(false).toString('hex').should.equal('041ff0fe0f7b15ffaa85ff9f4744d539139c252a49710fb053bb9f2b933173ff9a7baad41d04514751e6851f5304fd243751703bed21b914f6be218c0fa354a341');
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});
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});
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describe('#toString', function() {
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it('should print this known public key', function() {
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var hex = '031ff0fe0f7b15ffaa85ff9f4744d539139c252a49710fb053bb9f2b933173ff9a';
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var pk = new pubkey();
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pk.fromString(hex);
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pk.toString().should.equal(hex);
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});
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});
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});
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