140 lines
4.5 KiB
JavaScript
140 lines
4.5 KiB
JavaScript
var Keypair = require('../lib/keypair');
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var StealthMessage = require('../lib/expmt/stealthmessage');
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var Stealthkey = require('../lib/expmt/stealthkey');
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var StealthAddress = require('../lib/expmt/stealthaddress');
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var KDF = require('../lib/kdf');
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var Hash = require('../lib/hash');
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var should = require('chai').should();
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var Address = require('../lib/address');
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describe('StealthMessage', function() {
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var payloadKeypair = KDF.buf2keypair(new Buffer('key1'));
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var scanKeypair = KDF.buf2keypair(new Buffer('key2'));
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var fromKeypair = KDF.buf2keypair(new Buffer('key3'));
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var enchex = 'f557994f16d0d628fa4fdb4ab3d7e0bc5f2754f20381c7831a20c7c9ec88dcf092ea3683261798ccda991ed65a3a54a036d8125dec0381c7831a20c7c9ec88dcf092ea3683261798ccda991ed65a3a54a036d8125dec9f86d081884c7d659a2feaa0c55ad01560ba2904d3bc8395b6c4a6f87648edb33db6a22170e5e26f340c7ba943169210234cd6a753ad13919b0ab7d678b47b5e7d63e452382de2c2590fb57ef048f7b3';
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var encbuf = new Buffer(enchex, 'hex');
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var ivbuf = Hash.sha256(new Buffer('test')).slice(0, 128 / 8);
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var sk = Stealthkey().set({payloadKeypair: payloadKeypair, scanKeypair: scanKeypair});
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var sa = StealthAddress().fromStealthkey(sk);
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var messagebuf = new Buffer('this is my message');
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it('should make a new stealthmessage', function() {
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var sm = new StealthMessage();
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should.exist(sm);
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sm = StealthMessage()
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should.exist(sm);
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});
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it('should allow "set" style syntax', function() {
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var encbuf = StealthMessage().set({
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messagebuf: messagebuf,
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toStealthAddress: sa
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}).encrypt().encbuf;
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should.exist(encbuf);
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encbuf.length.should.equal(113);
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});
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describe('#set', function() {
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it('should set the messagebuf', function() {
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var sm = StealthMessage().set({messagebuf: messagebuf});
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should.exist(sm.messagebuf);
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});
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});
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describe('@encrypt', function() {
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it('should encrypt a message', function() {
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var encbuf = StealthMessage.encrypt(messagebuf, sa);
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encbuf.length.should.equal(166);
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});
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it('should encrypt a message with this fromKeypair and ivbuf the same each time', function() {
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var encbuf = StealthMessage.encrypt(messagebuf, sa, fromKeypair, ivbuf);
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encbuf.length.should.equal(166);
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encbuf.toString('hex').should.equal(enchex);
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});
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});
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describe('@decrypt', function() {
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it('should decrypt this known message correctly', function() {
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var messagebuf2 = StealthMessage.decrypt(encbuf, sk);
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messagebuf2.toString('hex').should.equal(messagebuf.toString('hex'));
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});
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});
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describe('@isForMe', function() {
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it('should know that this message is for me', function() {
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StealthMessage.isForMe(encbuf, sk).should.equal(true);
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});
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it('should know that this message is for me even if my payloadPrivkey is not present', function() {
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var sk2 = new Stealthkey();
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sk2.scanKeypair = sk.scanKeypair;
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sk2.payloadKeypair = Keypair().set({pubkey: sk.payloadKeypair.pubkey});
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should.not.exist(sk2.payloadKeypair.privkey);
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StealthMessage.isForMe(encbuf, sk2).should.equal(true);
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});
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});
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describe('#encrypt', function() {
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it('should encrypt this message', function() {
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var sm = StealthMessage().set({
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messagebuf: messagebuf,
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toStealthAddress: sa,
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fromKeypair: fromKeypair
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});
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sm.encrypt().encbuf.length.should.equal(113);
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});
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});
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describe('#decrypt', function() {
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it('should decrypt that which was encrypted', function() {
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var sm = StealthMessage().set({
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messagebuf: messagebuf,
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toStealthAddress: sa
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}).encrypt();
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var messagebuf2 = StealthMessage().set({
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encbuf: sm.encbuf,
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fromKeypair: sm.fromKeypair,
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toStealthkey: sk
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}).decrypt().messagebuf;
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messagebuf2.toString('hex').should.equal(messagebuf.toString('hex'));
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});
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});
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describe('#isForMe', function() {
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it('should know that this message is for me', function() {
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StealthMessage().set({
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encbuf: encbuf,
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toStealthkey: sk,
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fromKeypair: fromKeypair,
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receiveAddress: Address().set({hashbuf: encbuf.slice(0, 20)})
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}).isForMe().should.equal(true);
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});
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it('should know that this message is not for me', function() {
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StealthMessage().set({
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encbuf: encbuf,
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toStealthkey: sk,
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fromKeypair: fromKeypair,
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receiveAddress: Address().set({hashbuf: encbuf.slice(0, 20)})
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}).isForMe().should.equal(true);
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});
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});
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});
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