bitcoinjs-lib/test/ec.js

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/* global describe, it */
var assert = require('assert');
var sec = require('../src/jsbn/sec');
var ecdsa = require('../').ecdsa;
var ecparams = sec('secp256k1');
describe('ecdsa', function() {
it('handles point ultiplication', function() {
var G = ecparams.getG();
var n = ecparams.getN();
assert.ok(G.multiply(n).isInfinity(), "Gn is infinite");
var k = ecdsa.getBigRandom(n);
var P = G.multiply(k);
assert.ok(!P.isInfinity(), "kG is not infinite");
assert.ok(P.isOnCurve(), "kG on curve");
assert.ok(P.multiply(n).isInfinity(), "kGn is infinite");
assert.ok(P.validate(), "kG validates as a public key");
})
})