SxsnPC/node_modules/crypto-browserify/test/ecdh.js

'use strict';

var mods = [
	'secp256k1',
	'secp224r1',
	'prime256v1',
	'prime192v1'
];
var test = require('tape');
var createECDH1 = require('../').createECDH;
var createECDH2 = require('create-ecdh/browser');

mods.forEach(function (mod) {
	test('createECDH: ' + mod + ' uncompressed', function (t) {
		t.plan(2);
		var dh1 = createECDH1(mod);
		dh1.generateKeys();
		var dh2 = createECDH2(mod);
		dh2.generateKeys();
		var pubk1 = dh1.getPublicKey();
		var pubk2 = dh2.getPublicKey();
		t.notEquals(pubk1.toString('hex'), pubk2.toString('hex'), 'diff public keys');
		var pub1 = dh1.computeSecret(pubk2).toString('hex');
		var pub2 = dh2.computeSecret(pubk1).toString('hex');
		t.equals(pub1, pub2, 'equal secrets');
	});

	test('createECDH: ' + mod + ' compressed', function (t) {
		t.plan(2);
		var dh1 = createECDH1(mod);
		dh1.generateKeys();
		var dh2 = createECDH2(mod);
		dh2.generateKeys();
		var pubk1 = dh1.getPublicKey(null, 'compressed');
		var pubk2 = dh2.getPublicKey(null, 'compressed');
		t.notEquals(pubk1.toString('hex'), pubk2.toString('hex'), 'diff public keys');
		var pub1 = dh1.computeSecret(pubk2).toString('hex');
		var pub2 = dh2.computeSecret(pubk1).toString('hex');
		t.equals(pub1, pub2, 'equal secrets');
	});

	test('createECDH: ' + mod + ' set stuff', function (t) {
		t.plan(5);
		var dh1 = createECDH1(mod);
		var dh2 = createECDH2(mod);
		dh1.generateKeys();
		dh2.generateKeys();
		dh1.setPrivateKey(dh2.getPrivateKey());
		dh1.setPublicKey(dh2.getPublicKey());
		var priv1 = dh1.getPrivateKey('hex');
		var priv2 = dh2.getPrivateKey('hex');
		t.equals(priv1, priv2, 'same private key');
		var pubk1 = dh1.getPublicKey();
		var pubk2 = dh2.getPublicKey();
		t.equals(pubk1.toString('hex'), pubk2.toString('hex'), 'same public keys, uncompressed');
		t.equals(dh1.getPublicKey('hex', 'compressed'), dh2.getPublicKey('hex', 'compressed'), 'same public keys compressed');
		t.equals(dh1.getPublicKey('hex', 'hybrid'), dh2.getPublicKey('hex', 'hybrid'), 'same public keys hybrid');
		var pub1 = dh1.computeSecret(pubk2).toString('hex');
		var pub2 = dh2.computeSecret(pubk1).toString('hex');
		t.equals(pub1, pub2, 'equal secrets');
	});
});