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integrate and test openpgp.js

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This commit is contained in:
Tankred Hase 2013-10-11 21:30:03 +02:00
parent 9ed7a696b4
commit 5666671d2f
6 changed files with 13741 additions and 3 deletions
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1
.jshintrc
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@ -4,7 +4,6 @@
"globalstrict": true,
"node": true,
"browser": true,
"camelcase": true,
"nonew": true,
"curly": true,
"eqeqeq": true,

146
src/js/crypto/pgp.js Normal file
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@ -0,0 +1,146 @@
/**
* High level crypto api that handles all calls to OpenPGP.js
*/
define(function(require) {
'use strict';
var openpgp = require('openpgp').openpgp,
openpgpUtil = require('openpgp').util,
util = require('cryptoLib/util');
var PGP = function() {
openpgp.init();
};
/**
* Generate a key pair for the user
*/
PGP.prototype.generateKeys = function(options, callback) {
var userId, keys;
if (!util.validateEmailAddress(options.emailAddress) || !options.keySize || typeof options.passphrase !== 'string') {
callback({
errMsg: 'Crypto init failed. Not all options set!'
});
return;
}
// generate keypair (keytype 1=RSA)
userId = 'Whiteout User <' + options.emailAddress + '>';
keys = openpgp.generate_key_pair(1, options.keySize, userId, options.passphrase);
callback(null, {
keyId: openpgpUtil.hexstrdump(keys.privateKey.getKeyId()).toUpperCase(),
privateKeyArmored: keys.privateKeyArmored,
publicKeyArmored: keys.publicKeyArmored
});
};
/**
* Import the user's key pair
*/
PGP.prototype.importKeys = function(options, callback) {
// check passphrase
if (typeof options.passphrase !== 'string' || !options.privateKeyArmored || !options.publicKeyArmored) {
callback({
errMsg: 'Importing keys failed. Not all options set!'
});
return;
}
// unlock and import private key
if (!openpgp.keyring.importPrivateKey(options.privateKeyArmored, options.passphrase)) {
callback({
errMsg: 'Incorrect passphrase!'
});
return;
}
// import public key
openpgp.keyring.importPublicKey(options.publicKeyArmored);
callback();
};
/**
* Export the user's key pair
*/
PGP.prototype.exportKeys = function(callback) {
var publicKey, privateKey;
privateKey = openpgp.keyring.exportPrivateKey(0);
publicKey = openpgp.keyring.getPublicKeysForKeyId(privateKey.keyId)[0];
if (privateKey && privateKey.keyId && privateKey.armored && publicKey && publicKey.armored) {
callback(null, {
keyId: openpgpUtil.hexstrdump(privateKey.keyId).toUpperCase(),
privateKeyArmored: privateKey.armored,
publicKeyArmored: publicKey.armored
});
return;
}
callback({
errMsg: 'Could not export keys!'
});
};
/**
* Encrypt and sign a pgp message for a list of receivers
*/
PGP.prototype.encrypt = function(plaintext, receiverPublicKeys, callback) {
var ct, i,
privateKey = openpgp.keyring.exportPrivateKey(0).obj;
for (i = 0; i < receiverPublicKeys.length; i++) {
receiverPublicKeys[i] = openpgp.read_publicKey(receiverPublicKeys[i])[0];
}
ct = openpgp.write_signed_and_encrypted_message(privateKey, receiverPublicKeys, plaintext);
callback(null, ct);
};
/**
* Decrypt and verify a pgp message for a single sender
*/
PGP.prototype.decrypt = function(ciphertext, senderPublicKey, callback) {
var privateKey = openpgp.keyring.exportPrivateKey(0).obj;
senderPublicKey = openpgp.read_publicKey(senderPublicKey)[0];
var msg = openpgp.read_message(ciphertext)[0];
var keymat = null;
var sesskey = null;
// Find the private (sub)key for the session key of the message
for (var i = 0; i < msg.sessionKeys.length; i++) {
if (privateKey.privateKeyPacket.publicKey.getKeyId() === msg.sessionKeys[i].keyId.bytes) {
keymat = {
key: privateKey,
keymaterial: privateKey.privateKeyPacket
};
sesskey = msg.sessionKeys[i];
break;
}
for (var j = 0; j < privateKey.subKeys.length; j++) {
if (privateKey.subKeys[j].publicKey.getKeyId() === msg.sessionKeys[i].keyId.bytes) {
keymat = {
key: privateKey,
keymaterial: privateKey.subKeys[j]
};
sesskey = msg.sessionKeys[i];
break;
}
}
}
if (keymat !== null) {
var decrypted = msg.decryptAndVerifySignature(keymat, sesskey, senderPublicKey);
callback(null, decrypted.text);
} else {
callback({
errMsg: 'No private key found!'
});
}
};
return PGP;
});

13466
src/lib/openpgp/openpgp.js Normal file
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6
src/require-config.js
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@ -19,12 +19,16 @@
angularRoute: 'angular/angular-route.min',
angularTouch: 'angular/angular-touch.min',
moment: 'moment/moment.min',
uuid: 'uuid/uuid'
uuid: 'uuid/uuid',
openpgp: 'openpgp/openpgp'
},
shim: {
angular: {
exports: 'angular'
},
openpgp: {
exports: 'window'
},
angularRoute: {
exports: 'angular',
deps: ['angular']

3
test/new-unit/main.js
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@ -21,7 +21,8 @@ function startTests() {
require(
[
'test/new-unit/email-dao-test',
'test/new-unit/app-controller-test'
'test/new-unit/app-controller-test',
'test/new-unit/pgp-test'
], function() {
//Tests loaded, run tests
mocha.run();

122
test/new-unit/pgp-test.js Normal file
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@ -0,0 +1,122 @@
define(function(require) {
'use strict';
var PGP = require('js/crypto/pgp'),
expect = chai.expect;
describe('PGP Crypto Api unit tests', function() {
var pgp,
user = "whiteout.test@t-online.de",
passphrase = 'asdf',
keySize = 512,
keyId = 'F6F60E9B42CDFF4C',
pubkey = '-----BEGIN PGP PUBLIC KEY BLOCK-----\n' +
'Version: OpenPGP.js v.1.20131011\n' +
'Comment: http://openpgpjs.org\n' +
'\n' +
'xk0EUlhMvAEB/2MZtCUOAYvyLFjDp3OBMGn3Ev8FwjzyPbIF0JUw+L7y2XR5\n' +
'RVGvbK88unV3cU/1tOYdNsXI6pSp/Ztjyv7vbBUAEQEAAc0pV2hpdGVvdXQg\n' +
'VXNlciA8d2hpdGVvdXQudGVzdEB0LW9ubGluZS5kZT7CXAQQAQgAEAUCUlhM\n' +
'vQkQ9vYOm0LN/0wAAAW4Af9C+kYW1AvNWmivdtr0M0iYCUjM9DNOQH1fcvXq\n' +
'IiN602mWrkd8jcEzLsW5IUNzVPLhrFIuKyBDTpLnC07Loce1\n' +
'=6XMW\n' +
'-----END PGP PUBLIC KEY BLOCK-----',
privkey = '-----BEGIN PGP PRIVATE KEY BLOCK-----\n' +
'Version: OpenPGP.js v.1.20131011\n' +
'Comment: http://openpgpjs.org\n' +
'\n' +
'xcBeBFJYTLwBAf9jGbQlDgGL8ixYw6dzgTBp9xL/BcI88j2yBdCVMPi+8tl0\n' +
'eUVRr2yvPLp1d3FP9bTmHTbFyOqUqf2bY8r+72wVABEBAAH+AwMIhNB4ivtv\n' +
'Y2xg6VeMcjjHxZayESHACV+nQx5Tx6ev6xzIF1Qh72fNPDppLhFSFOuTTMsU\n' +
'kTN4c+BVYt29spH+cA1jcDAxQ2ULrNAXo+hheOqhpedTs8aCbcLFkJAS16hk\n' +
'YSk4OnJgp/z24rVju1SHRSFbgundPzmNgXeX9e8IkviGhhQ11Wc5YwVkx03t\n' +
'Z3MdDMF0jyhopbPIoBdyJB0dhvBh98w3JmwpYh9wjUA9MBHD1tvHpRmSZ3BM\n' +
'UCmATn2ZLWBRWiYqFbgDnL1GM80pV2hpdGVvdXQgVXNlciA8d2hpdGVvdXQu\n' +
'dGVzdEB0LW9ubGluZS5kZT7CXAQQAQgAEAUCUlhMvQkQ9vYOm0LN/0wAAAW4\n' +
'Af9C+kYW1AvNWmivdtr0M0iYCUjM9DNOQH1fcvXqIiN602mWrkd8jcEzLsW5\n' +
'IUNzVPLhrFIuKyBDTpLnC07Loce1\n' +
'=ULta\n' +
'-----END PGP PRIVATE KEY BLOCK-----';
beforeEach(function() {
pgp = new PGP();
});
afterEach(function() {});
describe('Generate key pair', function() {
it('should work', function(done) {
pgp.generateKeys({
emailAddress: user,
keySize: keySize,
passphrase: passphrase
}, function(err, keys) {
expect(err).to.not.exist;
expect(keys.keyId).to.exist;
expect(keys.privateKeyArmored).to.exist;
expect(keys.publicKeyArmored).to.exist;
done();
});
});
});
describe('Import/Export key pair', function() {
it('should work', function(done) {
pgp.importKeys({
passphrase: passphrase,
privateKeyArmored: privkey,
publicKeyArmored: pubkey
}, function(err) {
expect(err).to.not.exist;
pgp.exportKeys(function(err, keys) {
expect(err).to.not.exist;
expect(keys.keyId).to.equal(keyId);
expect(keys.privateKeyArmored).to.equal(privkey);
expect(keys.publicKeyArmored).to.equal(pubkey);
done();
});
});
});
});
describe('Encryption', function() {
var message = 'Hello, World!',
ciphertext;
beforeEach(function(done) {
pgp.importKeys({
passphrase: passphrase,
privateKeyArmored: privkey,
publicKeyArmored: pubkey
}, function(err) {
expect(err).to.not.exist;
done();
});
});
describe('Encrypt', function() {
it('should work', function(done) {
pgp.encrypt(message, [pubkey], function(err, ct) {
expect(err).to.not.exist;
expect(ct).to.exist;
ciphertext = ct;
done();
});
});
});
describe('Decrypt', function() {
it('should work', function(done) {
pgp.decrypt(ciphertext, pubkey, function(err, pt) {
expect(err).to.not.exist;
expect(pt).to.equal(message);
done();
});
});
});
});
});
});