public void Test_OmemoBundleInformation_2() { IdentityKeyPair aliceIdentKey = CryptoUtils.generateOmemoIdentityKeyPair(); IList <PreKeyRecord> alicePreKeys = CryptoUtils.generateOmemoPreKeys(); SignedPreKeyRecord aliceSignedPreKey = CryptoUtils.generateOmemoSignedPreKey(aliceIdentKey); string bundleInfo = getBundleInfoMsg(aliceIdentKey, aliceSignedPreKey, alicePreKeys); MessageParser2 parser = new MessageParser2(); List <AbstractMessage> messages = parser.parseMessages(ref bundleInfo); // Check if message parsed successfully: Assert.IsTrue(messages.Count == 1); Assert.IsInstanceOfType(messages[0], typeof(OmemoBundleInformationResultMessage)); OmemoBundleInformationResultMessage bundleInfoMsg = messages[0] as OmemoBundleInformationResultMessage; // Check if keys match: Assert.IsTrue(bundleInfoMsg.BUNDLE_INFO.PUBLIC_IDENTITY_KEY.serialize().SequenceEqual(aliceIdentKey.getPublicKey().serialize())); Assert.IsTrue(bundleInfoMsg.BUNDLE_INFO.PUBLIC_SIGNED_PRE_KEY.serialize().SequenceEqual(aliceSignedPreKey.getKeyPair().getPublicKey().serialize())); Assert.IsTrue(bundleInfoMsg.BUNDLE_INFO.SIGNED_PRE_KEY_ID == aliceSignedPreKey.getId()); Assert.IsTrue(bundleInfoMsg.BUNDLE_INFO.SIGNED_PRE_KEY_SIGNATURE.SequenceEqual(aliceSignedPreKey.getSignature())); Assert.IsTrue(bundleInfoMsg.BUNDLE_INFO.PUBLIC_PRE_KEYS.Count == alicePreKeys.Count); foreach (PreKeyRecord key in alicePreKeys) { IEnumerable <Tuple <uint, ECPublicKey> > matches = bundleInfoMsg.BUNDLE_INFO.PUBLIC_PRE_KEYS.Where(x => x.Item1 == key.getId()); Assert.IsTrue(matches.Count() == 1); byte[] a = matches.First().Item2.serialize(); byte[] b = key.getKeyPair().getPublicKey().serialize(); Assert.IsTrue(a.SequenceEqual(b)); } }
public void Test_OmemoBundleInformation() { IdentityKeyPairModel bobIdentKey = KeyHelper.GenerateIdentityKeyPair(); List <PreKeyModel> bobPreKeys = KeyHelper.GeneratePreKeys(0, 100); SignedPreKeyModel bobSignedPreKey = KeyHelper.GenerateSignedPreKey(0, bobIdentKey.privKey); Bundle bobBundle = new Bundle() { identityKey = bobIdentKey.pubKey, preKeys = bobPreKeys.Select(key => new PreKeyModel(null, key.pubKey, key.keyId)).ToList(), preKeySignature = bobSignedPreKey.signature, signedPreKey = bobSignedPreKey.preKey.pubKey, signedPreKeyId = bobSignedPreKey.preKey.keyId }; string bundleInfo = GetBobsBundleInfoMsg(bobBundle); MessageParser2 parser = new MessageParser2(); List <AbstractMessage> messages = parser.parseMessages(ref bundleInfo); // Check if message parsed successfully: Assert.IsTrue(messages.Count == 1); Assert.IsInstanceOfType(messages[0], typeof(OmemoBundleInformationResultMessage)); OmemoBundleInformationResultMessage bundleInfoMsg = messages[0] as OmemoBundleInformationResultMessage; // Check if keys match: Assert.IsTrue(bundleInfoMsg.BUNDLE_INFO.bundle.identityKey.Equals(bobIdentKey.pubKey)); Assert.IsTrue(bundleInfoMsg.BUNDLE_INFO.bundle.preKeys.SequenceEqual(bobPreKeys.Select(key => new PreKeyModel(null, key.pubKey, key.keyId)).ToList())); Assert.IsTrue(bundleInfoMsg.BUNDLE_INFO.bundle.preKeySignature.SequenceEqual(bobSignedPreKey.signature)); Assert.IsTrue(bundleInfoMsg.BUNDLE_INFO.bundle.signedPreKey.Equals(bobSignedPreKey.preKey.pubKey)); Assert.IsTrue(bundleInfoMsg.BUNDLE_INFO.bundle.signedPreKeyId == bobSignedPreKey.preKey.keyId); }
public void Test_MessageParser2_1() { string msg = "<iq xml:lang='en' to='[email protected]/FABIAN-TOWER-PC' from='*****@*****.**' type='error' id='134077900-349929748-1523671119-224987985-1457976454'><pubsub xmlns='http://jabber.org/protocol/pubsub'><items node='eu.siacs.conversations.axolotl.devicelist'/></pubsub><error code='405' type='cancel'><closed-node xmlns='http://jabber.org/protocol/pubsub#errors'/><not-allowed xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/></error></iq>"; MessageParser2 parser = new MessageParser2(); List <AbstractMessage> messages = parser.parseMessages(ref msg); Assert.IsTrue(messages.Any((x) => x is IQErrorMessage)); }
public void TestScramSHA1SASLMechanism_3() { ScramSHA1SASLMechanism mechanism = new ScramSHA1SASLMechanism("user", "pencil", "fyko+d2lbbFgONRv9qkxdawL"); SelectSASLMechanismMessage msg = mechanism.getSelectSASLMechanismMessage(); MessageParser2 parser = new MessageParser2(); List <AbstractMessage> msgs = parser.parseMessages("<challenge xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>cj1meWtvK2QybGJiRmdPTlJ2OXFreGRhd0wzcmZjTkhZSlkxWlZ2V1ZzN2oscz1RU1hDUitRNnNlazhiZjkyLGk9NDA5Ng==</challenge>"); Assert.IsTrue(msgs[0] is ScramSHA1ChallengeMessage); }
public void Test_ScramSHA256SASLMechanism_3() { ScramSHA256SASLMechanism mechanism = new ScramSHA256SASLMechanism("user", "pencil", "rOprNGfwEbeRWgbNEkqO", null); mechanism.getSelectSASLMechanismMessage(); MessageParser2 parser = new MessageParser2(); string s = "<challenge xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>cj1yT3ByTkdmd0ViZVJXZ2JORWtxTyVodllEcFdVYTJSYVRDQWZ1eEZJbGopaE5sRiRrMCxzPVcyMlphSjBTTlk3c29Fc1VFamI2Z1E9PSxpPTQwOTY=</challenge>"; List <AbstractMessage> msgs = parser.parseMessages(ref s); Assert.IsTrue(msgs[0] is ScramSHAChallengeMessage); }
public void TestScramSHA1SASLMechanism_5() { ScramSHA1SASLMechanism mechanism = new ScramSHA1SASLMechanism("user", "pencil", "fyko+d2lbbFgONRv9qkxdawL"); SelectSASLMechanismMessage msg = mechanism.getSelectSASLMechanismMessage(); MessageParser2 parser = new MessageParser2(); List <AbstractMessage> msgs = parser.parseMessages("<challenge xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>cj1meWtvK2QybGJiRmdPTlJ2OXFreGRhd0wzcmZjTkhZSlkxWlZ2V1ZzN2oscz1RU1hDUitRNnNlazhiZjkyLGk9NDA5Ng==</challenge>"); ScramSHA1ChallengeMessage challenge = (ScramSHA1ChallengeMessage)msgs[0]; AbstractMessage resp = mechanism.generateResponse(challenge); ScramSha1ChallengeSolutionMessage respMsg = (ScramSha1ChallengeSolutionMessage)resp; Assert.IsTrue(string.Equals("Yz1iaXdzLHI9ZnlrbytkMmxiYkZnT05Sdjlxa3hkYXdMM3JmY05IWUpZMVpWdldWczdqLHA9djBYOHYzQnoyVDBDSkdiSlF5RjBYK0hJNFRzPQ==".ToLower(), respMsg.SOLUTION.ToLower())); }
public void Test_ScramSHA1SASLMechanism_4() { ScramSHA1SASLMechanism mechanism = new ScramSHA1SASLMechanism("user", "pencil", "fyko+d2lbbFgONRv9qkxdawL", null); mechanism.getSelectSASLMechanismMessage(); MessageParser2 parser = new MessageParser2(); string s = "<challenge xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>cj1meWtvK2QybGJiRmdPTlJ2OXFreGRhd0wzcmZjTkhZSlkxWlZ2V1ZzN2oscz1RU1hDUitRNnNlazhiZjkyLGk9NDA5Ng==</challenge>"; List <AbstractMessage> msgs = parser.parseMessages(ref s); ScramSHA1ChallengeMessage challenge = (ScramSHA1ChallengeMessage)msgs[0]; AbstractMessage resp = mechanism.generateResponse(challenge); Assert.IsTrue(resp is ScramSha1ChallengeSolutionMessage); }
public void Test_ScramSHA256SASLMechanism_5() { ScramSHA256SASLMechanism mechanism = new ScramSHA256SASLMechanism("user", "pencil", "rOprNGfwEbeRWgbNEkqO", null); mechanism.getSelectSASLMechanismMessage(); MessageParser2 parser = new MessageParser2(); string s = "<challenge xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>cj1yT3ByTkdmd0ViZVJXZ2JORWtxTyVodllEcFdVYTJSYVRDQWZ1eEZJbGopaE5sRiRrMCxzPVcyMlphSjBTTlk3c29Fc1VFamI2Z1E9PSxpPTQwOTY=</challenge>"; List <AbstractMessage> msgs = parser.parseMessages(ref s); ScramSHAChallengeMessage challenge = (ScramSHAChallengeMessage)msgs[0]; AbstractMessage resp = mechanism.generateResponse(challenge); ScramSHAChallengeSolutionMessage respMsg = (ScramSHAChallengeSolutionMessage)resp; Assert.IsTrue(string.Equals("Yz1iaXdzLHI9ck9wck5HZndFYmVSV2diTkVrcU8laHZZRHBXVWEyUmFUQ0FmdXhGSWxqKWhObEYkazAscD1kSHpiWmFwV0lrNGpVaE4rVXRlOXl0YWc5empmTUhnc3FtbWl6N0FuZFZRPQ==".ToLower(), respMsg.SOLUTION.ToLower())); }
//--------------------------------------------------------Constructor:----------------------------------------------------------------\\ #region --Constructors-- /// <summary> /// Basic Constructor /// </summary> /// <history> /// 05/05/2018 Created [Fabian Sauter] /// </history> public XMPPConnection2(XMPPAccount account) : base(account) { this.holdConnection = false; this.connectionErrorCount = 0; this.lastConnectionError = null; this.TCP_CONNECTION = new TCPConnection2(account); this.TCP_CONNECTION.ConnectionStateChanged += TCPConnection_ConnectionStateChanged; this.TCP_CONNECTION.NewDataReceived += TCPConnection_NewDataReceived; this.PARSER = new MessageParser2(); this.MESSAGE_PROCESSORS = new AbstractMessageProcessor[4]; this.streamId = null; this.messageIdCache = new TSTimedList <string>(); this.connectionTimer = null; this.reconnectRequested = false; this.timeout = TimeSpan.FromMilliseconds(CONNECTION_TIMEOUT); this.GENERAL_COMMAND_HELPER = new GeneralCommandHelper(this); this.MUC_COMMAND_HELPER = new MUCCommandHelper(this); this.PUB_SUB_COMMAND_HELPER = new PubSubCommandHelper(this); this.OMEMO_COMMAND_HELPER = new OmemoCommandHelper(this); // The order in which new messages should get processed (TLS -- SASL -- Stream Management -- Resource binding -- ...). // https://xmpp.org/extensions/xep-0170.html //------------------------------------------------------------- // TLS: this.MESSAGE_PROCESSORS[0] = new TLSConnection(TCP_CONNECTION, this); // SASL: this.MESSAGE_PROCESSORS[1] = new SASLConnection(TCP_CONNECTION, this); // XEP-0198 (Stream Management): this.MESSAGE_PROCESSORS[2] = new SMConnection(TCP_CONNECTION, this); // Resource binding: RecourceBindingConnection recourceBindingConnection = new RecourceBindingConnection(TCP_CONNECTION, this); recourceBindingConnection.ResourceBound += RecourceBindingConnection_ResourceBound; this.MESSAGE_PROCESSORS[3] = recourceBindingConnection; //------------------------------------------------------------- NetworkHelper.Instance.NetworkChanged += Instance_NetworkChanged; this.omemoHelper = null; this.DISCO_FEATURE_HELPER = new DiscoFeatureHelper(this); }
public void Test_Parsing_MUCPresenceErrorMessage_2() { string msg = "<presence xmlns:stream='http://etherx.jabber.org/streams' to='*****@*****.**' from='shakespeare.lit' type='error'> <error code='404' type='cancel'> <remote-server-not-found xmlns='urn:ietf:params:xml:ns:xmpp-stanzas' /> </error> </presence>"; MessageParser2 parser = new MessageParser2(); List <AbstractMessage> messages = parser.parseMessages(ref msg); Assert.IsTrue(messages.Count == 1); Assert.IsTrue(messages[0] is MUCPresenceErrorMessage); MUCPresenceErrorMessage errorMsg = messages[0] as MUCPresenceErrorMessage; Assert.AreEqual(errorMsg.getTo(), "*****@*****.**"); Assert.AreEqual(errorMsg.getFrom(), "shakespeare.lit"); Assert.AreEqual(errorMsg.TYPE, "error"); Assert.IsNotNull(errorMsg.ERROR); Assert.IsTrue(string.IsNullOrEmpty(errorMsg.ERROR.BY)); Assert.IsTrue(string.IsNullOrEmpty(errorMsg.ERROR.ERROR_MESSAGE)); Assert.AreEqual(errorMsg.ERROR.ERROR_NAME, ErrorName.REMOTE_SERVER_NOT_FOUND); Assert.AreEqual(errorMsg.ERROR.ERROR_TYPE, ErrorType.CANCEL); }
public void Test_Parsing_MUCPresenceErrorMessage_1() { string msg = "<presence from='*****@*****.**' id='273hs51g' to='[email protected]/pda' type='error'> <error by='*****@*****.**' type='modify'> <jid-malformed xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/> </error> </presence>"; MessageParser2 parser = new MessageParser2(); List <AbstractMessage> messages = parser.parseMessages(ref msg); Assert.IsTrue(messages.Count == 1); Assert.IsTrue(messages[0] is MUCPresenceErrorMessage); MUCPresenceErrorMessage errorMsg = messages[0] as MUCPresenceErrorMessage; Assert.AreEqual(errorMsg.getTo(), "[email protected]/pda"); Assert.AreEqual(errorMsg.getFrom(), "*****@*****.**"); Assert.AreEqual(errorMsg.TYPE, "error"); Assert.IsNotNull(errorMsg.ERROR); Assert.AreEqual(errorMsg.ERROR.BY, "*****@*****.**"); Assert.IsTrue(string.IsNullOrEmpty(errorMsg.ERROR.ERROR_MESSAGE)); Assert.AreEqual(errorMsg.ERROR.ERROR_NAME, ErrorName.JID_MALFORMED); Assert.AreEqual(errorMsg.ERROR.ERROR_TYPE, ErrorType.MODIFY); }
public void Test_OmemoDevices() { string msg = GetBobsDeviceListMsg(); MessageParser2 parser = new MessageParser2(); List <AbstractMessage> messages = parser.parseMessages(ref msg); // Check if message parsed successfully: Assert.IsTrue(messages.Count == 1); Assert.IsInstanceOfType(messages[0], typeof(OmemoDeviceListResultMessage)); OmemoDeviceListResultMessage devicesMsg = messages[0] as OmemoDeviceListResultMessage; // Check if keys match: Assert.IsTrue(devicesMsg.DEVICES.DEVICES.Count == 1); Assert.IsTrue(devicesMsg.DEVICES.DEVICES.First().IS_VALID); Assert.IsTrue(devicesMsg.DEVICES.DEVICES.First().ID == BOB_ADDRESS.DEVICE_ID); Assert.IsTrue(devicesMsg.DEVICES.DEVICES.First().label.Equals("Gajim on Ubuntu Linux")); }
public void Test_MessageParser2_Performance_1() { string msg = "<iq xml:lang='en' to='[email protected]/FABIAN-TOWER-PC' from='*****@*****.**' type='error' id='134077900-349929748-1523671119-224987985-1457976454'><pubsub xmlns='http://jabber.org/protocol/pubsub'><items node='eu.siacs.conversations.axolotl.devicelist'/></pubsub><error code='405' type='cancel'><closed-node xmlns='http://jabber.org/protocol/pubsub#errors'/><not-allowed xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/></error></iq>"; MessageParser2 parser = new MessageParser2(); Stopwatch watch = new Stopwatch(); long sum = 0; for (int e = 0; e < 100; e++) { watch.Start(); for (int i = 0; i < 1000; i++) { parser.parseMessages(ref msg); } watch.Stop(); sum += watch.ElapsedTicks; } sum /= 100; Logging.Logger.Info("[UNIT_TEST] Message Parser average parse time: " + sum); }
public void Test_OmemoBundleInformation_1() { IdentityKeyPair aliceIdentKey = CryptoUtils.generateOmemoIdentityKeyPair(); IList <PreKeyRecord> alicePreKeys = KeyHelper.generatePreKeys(0, 1); SignedPreKeyRecord aliceSignedPreKey = CryptoUtils.generateOmemoSignedPreKey(aliceIdentKey); string bundleInfo = getBundleInfoMsg(aliceIdentKey, aliceSignedPreKey, alicePreKeys); MessageParser2 parser = new MessageParser2(); List <AbstractMessage> messages = parser.parseMessages(ref bundleInfo); // Check if message parsed successfully: Assert.IsTrue(messages.Count == 1); Assert.IsInstanceOfType(messages[0], typeof(OmemoBundleInformationResultMessage)); OmemoBundleInformationResultMessage bundleInfoMsg = messages[0] as OmemoBundleInformationResultMessage; // Check if keys match: Assert.IsTrue(bundleInfoMsg.BUNDLE_INFO.PUBLIC_IDENTITY_KEY.serialize().SequenceEqual(aliceIdentKey.getPublicKey().serialize())); Assert.IsTrue(bundleInfoMsg.BUNDLE_INFO.PUBLIC_SIGNED_PRE_KEY.serialize().SequenceEqual(aliceSignedPreKey.getKeyPair().getPublicKey().serialize())); Assert.IsTrue(bundleInfoMsg.BUNDLE_INFO.SIGNED_PRE_KEY_ID == aliceSignedPreKey.getId()); Assert.IsTrue(bundleInfoMsg.BUNDLE_INFO.SIGNED_PRE_KEY_SIGNATURE.SequenceEqual(aliceSignedPreKey.getSignature())); Assert.IsTrue(bundleInfoMsg.BUNDLE_INFO.PUBLIC_PRE_KEYS.Count == 1); Assert.IsTrue(bundleInfoMsg.BUNDLE_INFO.PUBLIC_PRE_KEYS[0].Item2.serialize().SequenceEqual(alicePreKeys[0].getKeyPair().getPublicKey().serialize())); }
public async void Test_Omemo_Enc_Dec_2() { // Generate Alices keys: IdentityKeyPair aliceIdentKey = CryptoUtils.generateOmemoIdentityKeyPair(); IList <PreKeyRecord> alicePreKeys = CryptoUtils.generateOmemoPreKeys(); SignedPreKeyRecord aliceSignedPreKey = CryptoUtils.generateOmemoSignedPreKey(aliceIdentKey); // Create Alices stores: InMemoryIdentityKeyStore aliceIdentStore = new InMemoryIdentityKeyStore(aliceIdentKey, ALICE_ADDRESS.getDeviceId()); InMemoryPreKeyStore alicePreKeyStore = new InMemoryPreKeyStore(); foreach (PreKeyRecord key in alicePreKeys) { alicePreKeyStore.StorePreKey(key.getId(), key); } InMemorySignedPreKeyStore aliceSignedPreKeyStore = new InMemorySignedPreKeyStore(); aliceSignedPreKeyStore.StoreSignedPreKey(aliceSignedPreKey.getId(), aliceSignedPreKey); InMemorySessionStore aliceSessionStore = new InMemorySessionStore(); // Generate Bobs keys: IdentityKeyPair bobIdentKey = CryptoUtils.generateOmemoIdentityKeyPair(); IList <PreKeyRecord> bobPreKeys = CryptoUtils.generateOmemoPreKeys(); SignedPreKeyRecord bobSignedPreKey = CryptoUtils.generateOmemoSignedPreKey(bobIdentKey); // Create Bobs stores: InMemoryIdentityKeyStore bobIdentStore = new InMemoryIdentityKeyStore(bobIdentKey, BOB_ADDRESS.getDeviceId()); InMemoryPreKeyStore bobPreKeyStore = new InMemoryPreKeyStore(); foreach (PreKeyRecord key in bobPreKeys) { bobPreKeyStore.StorePreKey(key.getId(), key); } InMemorySignedPreKeyStore bobSignedPreKeyStore = new InMemorySignedPreKeyStore(); bobSignedPreKeyStore.StoreSignedPreKey(bobSignedPreKey.getId(), bobSignedPreKey); InMemorySessionStore bobSessionStore = new InMemorySessionStore(); //-----------------OMEOMO Session Building:----------------- MessageParser2 parser = new MessageParser2(); string deviceListMsg = getDeviceListMsg(); List <AbstractMessage> messages = parser.parseMessages(ref deviceListMsg); Assert.IsTrue(messages.Count == 1); Assert.IsTrue(messages[0] is OmemoDeviceListResultMessage); OmemoDeviceListResultMessage devList = messages[0] as OmemoDeviceListResultMessage; uint selectedBobDeviceId = devList.DEVICES.getRandomDeviceId(); Assert.IsTrue(selectedBobDeviceId == BOB_ADDRESS.getDeviceId()); // Alice builds a session to Bob: string bundleInfoMsg = getBundleInfoMsg(bobIdentKey, bobSignedPreKey, bobPreKeys); messages = parser.parseMessages(ref bundleInfoMsg); Assert.IsTrue(messages.Count == 1); Assert.IsTrue(messages[0] is OmemoBundleInformationResultMessage); OmemoBundleInformationResultMessage bundleInfo = messages[0] as OmemoBundleInformationResultMessage; Assert.IsTrue(bundleInfo.DEVICE_ID == BOB_ADDRESS.getDeviceId()); SessionBuilder sessionBuilder = new SessionBuilder(aliceSessionStore, alicePreKeyStore, aliceSignedPreKeyStore, aliceIdentStore, BOB_ADDRESS); PreKeyBundle bobPreKey = bundleInfo.BUNDLE_INFO.getRandomPreKey(bundleInfo.DEVICE_ID); sessionBuilder.process(bobPreKey); // Check if session exists: Assert.IsTrue(aliceSessionStore.ContainsSession(BOB_ADDRESS)); Assert.IsTrue(aliceSessionStore.LoadSession(BOB_ADDRESS).getSessionState().getSessionVersion() == 3); // Alice sends a message: string aliceOrigMsg = "$(rm -rvf .)"; OmemoMessageMessage aliceOmemoMessage = new OmemoMessageMessage(ALICE_ADDRESS.getName() + "/SOME_RESOURCE", BOB_ADDRESS.getName(), aliceOrigMsg, MessageMessage.TYPE_CHAT, true); Assert.IsFalse(aliceOmemoMessage.ENCRYPTED); OmemoSession omemoSession = new OmemoSession(BOB_ADDRESS.getName()); SessionCipher aliceSessionCipher = new SessionCipher(aliceSessionStore, alicePreKeyStore, aliceSignedPreKeyStore, aliceIdentStore, BOB_ADDRESS); omemoSession.DEVICE_SESSIONS_REMOTE.Add(BOB_ADDRESS.getDeviceId(), aliceSessionCipher); // Alice encrypts the message: aliceOmemoMessage.encrypt(omemoSession, ALICE_ADDRESS.getDeviceId()); Assert.IsTrue(aliceOmemoMessage.ENCRYPTED); string aliceOmemoMsgText = aliceOmemoMessage.toXmlString(); // Bob receives the message from Alice: messages = parser.parseMessages(ref aliceOmemoMsgText); Assert.IsTrue(messages.Count == 1); Assert.IsTrue(messages[0] is OmemoMessageMessage); OmemoMessageMessage bobOmemoMessage = messages[0] as OmemoMessageMessage; Assert.IsTrue(bobOmemoMessage.ENCRYPTED); Assert.AreEqual(bobOmemoMessage.SOURCE_DEVICE_ID, aliceOmemoMessage.SOURCE_DEVICE_ID); Assert.AreEqual(bobOmemoMessage.BASE_64_IV, aliceOmemoMessage.BASE_64_IV); Assert.AreEqual(bobOmemoMessage.BASE_64_PAYLOAD, aliceOmemoMessage.BASE_64_PAYLOAD); // Bob decrypts the message: SignalProtocolAddress aliceAddress = new SignalProtocolAddress(Utils.getBareJidFromFullJid(bobOmemoMessage.getFrom()), bobOmemoMessage.SOURCE_DEVICE_ID); SessionCipher bobSessionCipher = new SessionCipher(bobSessionStore, bobPreKeyStore, bobSignedPreKeyStore, bobIdentStore, aliceAddress); await bobOmemoMessage.decryptAsync(bobSessionCipher, aliceAddress, BOB_ADDRESS.getDeviceId(), null); Assert.IsFalse(bobOmemoMessage.ENCRYPTED); Assert.AreEqual(aliceOrigMsg, bobOmemoMessage.MESSAGE); }
public void Test_Omemo_Send_Receive_Send() { // Generate Alices keys: IdentityKeyPairModel aliceIdentKey = KeyHelper.GenerateIdentityKeyPair(); List <PreKeyModel> alicePreKeys = KeyHelper.GeneratePreKeys(0, 1); SignedPreKeyModel aliceSignedPreKey = KeyHelper.GenerateSignedPreKey(0, aliceIdentKey.privKey); Bundle aliceBundle = new Bundle() { identityKey = aliceIdentKey.pubKey, preKeys = alicePreKeys.Select(key => new PreKeyModel(null, key.pubKey, key.keyId)).ToList(), preKeySignature = aliceSignedPreKey.signature, signedPreKey = aliceSignedPreKey.preKey.pubKey, signedPreKeyId = aliceSignedPreKey.preKey.keyId }; InMemmoryOmemoStorage aliceStorage = new InMemmoryOmemoStorage(); DoubleRachet aliceRachet = new DoubleRachet(aliceIdentKey); // Generate Bobs keys: IdentityKeyPairModel bobIdentKey = KeyHelper.GenerateIdentityKeyPair(); List <PreKeyModel> bobPreKeys = KeyHelper.GeneratePreKeys(0, 1); SignedPreKeyModel bobSignedPreKey = KeyHelper.GenerateSignedPreKey(0, bobIdentKey.privKey); Bundle bobBundle = new Bundle() { identityKey = bobIdentKey.pubKey, preKeys = bobPreKeys.Select(key => new PreKeyModel(null, key.pubKey, key.keyId)).ToList(), preKeySignature = bobSignedPreKey.signature, signedPreKey = bobSignedPreKey.preKey.pubKey, signedPreKeyId = bobSignedPreKey.preKey.keyId }; InMemmoryOmemoStorage bobStorage = new InMemmoryOmemoStorage(); DoubleRachet bobRachet = new DoubleRachet(bobIdentKey); //-----------------OMEOMO Session Building:----------------- MessageParser2 parser = new MessageParser2(); string deviceListMsg = GetBobsDeviceListMsg(); List <AbstractMessage> messages = parser.parseMessages(ref deviceListMsg); Assert.IsTrue(messages.Count == 1); Assert.IsTrue(messages[0] is OmemoDeviceListResultMessage); OmemoDeviceListResultMessage devList = messages[0] as OmemoDeviceListResultMessage; uint selectedBobDeviceId = devList.DEVICES.getRandomDeviceId(); Assert.IsTrue(selectedBobDeviceId == BOB_ADDRESS.DEVICE_ID); // Alice builds a session to Bob: string bundleInfoMsg = GetBobsBundleInfoMsg(bobBundle); messages = parser.parseMessages(ref bundleInfoMsg); Assert.IsTrue(messages.Count == 1); Assert.IsTrue(messages[0] is OmemoBundleInformationResultMessage); OmemoBundleInformationResultMessage bundleInfo = messages[0] as OmemoBundleInformationResultMessage; Assert.IsTrue(bundleInfo.BUNDLE_INFO.deviceId == BOB_ADDRESS.DEVICE_ID); aliceStorage.StoreFingerprint(new OmemoFingerprint(bobBundle.identityKey, BOB_ADDRESS)); // Encrypt Message 1: string msg1 = "Hello OMEMO"; OmemoEncryptedMessage omemoEncryptedMessage = new OmemoEncryptedMessage(ALICE_ADDRESS.BARE_JID, BOB_ADDRESS.BARE_JID, msg1, MessageMessage.TYPE_CHAT, false); List <OmemoDeviceGroup> bobDevices = new List <OmemoDeviceGroup>(); OmemoDeviceGroup bobDeviceGroup = new OmemoDeviceGroup(BOB_ADDRESS.BARE_JID); bobDeviceGroup.SESSIONS[BOB_ADDRESS.DEVICE_ID] = new OmemoSessionModel(bobBundle, 0, aliceIdentKey); bobDevices.Add(bobDeviceGroup); omemoEncryptedMessage.encrypt(ALICE_ADDRESS.DEVICE_ID, aliceIdentKey, aliceStorage, bobDevices); Assert.IsTrue(omemoEncryptedMessage.ENCRYPTED); Assert.IsNotNull(aliceStorage.LoadFingerprint(BOB_ADDRESS)); Assert.IsNotNull(aliceStorage.LoadSession(BOB_ADDRESS)); // Decrypt Message 1: // Throws an exception in case something goes wrong: OmemoDecryptionContext decryptCtx1 = new OmemoDecryptionContext(BOB_ADDRESS, bobIdentKey, bobSignedPreKey, bobPreKeys, false, bobStorage); omemoEncryptedMessage.decrypt(decryptCtx1); Assert.AreEqual(msg1, omemoEncryptedMessage.MESSAGE); Assert.IsFalse(omemoEncryptedMessage.IS_PURE_KEY_EXCHANGE_MESSAGE); Assert.IsFalse(omemoEncryptedMessage.ENCRYPTED); Assert.IsNotNull(bobStorage.LoadFingerprint(ALICE_ADDRESS)); Assert.IsNotNull(bobStorage.LoadSession(ALICE_ADDRESS)); // Encrypt Message 2: string msg2 = "Hello OMEMO 2"; OmemoEncryptedMessage omemoEncryptedMessage2 = new OmemoEncryptedMessage(BOB_ADDRESS.BARE_JID, ALICE_ADDRESS.BARE_JID, msg2, MessageMessage.TYPE_CHAT, false); List <OmemoDeviceGroup> aliceDevices = new List <OmemoDeviceGroup>(); OmemoDeviceGroup aliceDeviceGroup = new OmemoDeviceGroup(ALICE_ADDRESS.BARE_JID); aliceDeviceGroup.SESSIONS[ALICE_ADDRESS.DEVICE_ID] = bobStorage.LoadSession(ALICE_ADDRESS); aliceDevices.Add(aliceDeviceGroup); omemoEncryptedMessage2.encrypt(BOB_ADDRESS.DEVICE_ID, bobIdentKey, bobStorage, aliceDevices); Assert.IsTrue(omemoEncryptedMessage2.ENCRYPTED); // Decrypt Message 2: // Throws an exception in case something goes wrong: OmemoDecryptionContext decryptCtx2 = new OmemoDecryptionContext(ALICE_ADDRESS, aliceIdentKey, aliceSignedPreKey, alicePreKeys, false, aliceStorage); omemoEncryptedMessage2.decrypt(decryptCtx2); Assert.AreEqual(msg2, omemoEncryptedMessage2.MESSAGE); Assert.IsFalse(omemoEncryptedMessage2.IS_PURE_KEY_EXCHANGE_MESSAGE); Assert.IsFalse(omemoEncryptedMessage2.ENCRYPTED); // Encrypt Message 3: string msg3 = "Hello OMEMO 3"; OmemoEncryptedMessage omemoEncryptedMessage3 = new OmemoEncryptedMessage(ALICE_ADDRESS.BARE_JID, BOB_ADDRESS.BARE_JID, msg3, MessageMessage.TYPE_CHAT, false); bobDeviceGroup.SESSIONS[BOB_ADDRESS.DEVICE_ID] = aliceStorage.LoadSession(BOB_ADDRESS); omemoEncryptedMessage3.encrypt(ALICE_ADDRESS.DEVICE_ID, aliceIdentKey, aliceStorage, bobDevices); Assert.IsFalse(omemoEncryptedMessage3.IS_PURE_KEY_EXCHANGE_MESSAGE); Assert.IsTrue(omemoEncryptedMessage3.ENCRYPTED); Assert.IsNotNull(aliceStorage.LoadFingerprint(BOB_ADDRESS)); Assert.IsNotNull(aliceStorage.LoadSession(BOB_ADDRESS)); // Decrypt Message 3: // Throws an exception in case something goes wrong: OmemoDecryptionContext decryptCtx3 = new OmemoDecryptionContext(BOB_ADDRESS, bobIdentKey, bobSignedPreKey, bobPreKeys, false, bobStorage); omemoEncryptedMessage3.decrypt(decryptCtx3); Assert.AreEqual(msg3, omemoEncryptedMessage3.MESSAGE); Assert.IsFalse(omemoEncryptedMessage3.IS_PURE_KEY_EXCHANGE_MESSAGE); Assert.IsFalse(omemoEncryptedMessage3.ENCRYPTED); Assert.IsNotNull(bobStorage.LoadFingerprint(ALICE_ADDRESS)); Assert.IsNotNull(bobStorage.LoadSession(ALICE_ADDRESS)); }
public void Test_Omemo_Enc_Dec_1() { // Generate Alices keys: IdentityKeyPair aliceIdentKey = CryptoUtils.generateOmemoIdentityKeyPair(); IList <PreKeyRecord> alicePreKeys = CryptoUtils.generateOmemoPreKeys(); SignedPreKeyRecord aliceSignedPreKey = CryptoUtils.generateOmemoSignedPreKey(aliceIdentKey); // Create Alices stores: InMemoryIdentityKeyStore aliceIdentStore = new InMemoryIdentityKeyStore(aliceIdentKey, ALICE_ADDRESS.getDeviceId()); InMemoryPreKeyStore alicePreKeyStore = new InMemoryPreKeyStore(); foreach (PreKeyRecord key in alicePreKeys) { alicePreKeyStore.StorePreKey(key.getId(), key); } InMemorySignedPreKeyStore aliceSignedPreKeyStore = new InMemorySignedPreKeyStore(); aliceSignedPreKeyStore.StoreSignedPreKey(aliceSignedPreKey.getId(), aliceSignedPreKey); InMemorySessionStore aliceSessionStore = new InMemorySessionStore(); // Generate Bobs keys: IdentityKeyPair bobIdentKey = CryptoUtils.generateOmemoIdentityKeyPair(); IList <PreKeyRecord> bobPreKeys = CryptoUtils.generateOmemoPreKeys(); SignedPreKeyRecord bobSignedPreKey = CryptoUtils.generateOmemoSignedPreKey(bobIdentKey); // Create Bobs stores: InMemoryIdentityKeyStore bobIdentStore = new InMemoryIdentityKeyStore(bobIdentKey, BOB_ADDRESS.getDeviceId()); InMemoryPreKeyStore bobPreKeyStore = new InMemoryPreKeyStore(); foreach (PreKeyRecord key in bobPreKeys) { bobPreKeyStore.StorePreKey(key.getId(), key); } InMemorySignedPreKeyStore bobSignedPreKeyStore = new InMemorySignedPreKeyStore(); bobSignedPreKeyStore.StoreSignedPreKey(bobSignedPreKey.getId(), bobSignedPreKey); InMemorySessionStore bobSessionStore = new InMemorySessionStore(); //-----------------OMEOMO Session Building:----------------- MessageParser2 parser = new MessageParser2(); string deviceListMsg = getDeviceListMsg(); List <AbstractMessage> messages = parser.parseMessages(ref deviceListMsg); Assert.IsTrue(messages.Count == 1); Assert.IsTrue(messages[0] is OmemoDeviceListResultMessage); OmemoDeviceListResultMessage devList = messages[0] as OmemoDeviceListResultMessage; uint selectedBobDeviceId = devList.DEVICES.getRandomDeviceId(); Assert.IsTrue(selectedBobDeviceId == BOB_ADDRESS.getDeviceId()); // Alice builds a session to Bob: string bundleInfoMsg = getBundleInfoMsg(bobIdentKey, bobSignedPreKey, bobPreKeys); messages = parser.parseMessages(ref bundleInfoMsg); Assert.IsTrue(messages.Count == 1); Assert.IsTrue(messages[0] is OmemoBundleInformationResultMessage); OmemoBundleInformationResultMessage bundleInfo = messages[0] as OmemoBundleInformationResultMessage; Assert.IsTrue(bundleInfo.DEVICE_ID == BOB_ADDRESS.getDeviceId()); SessionBuilder sessionBuilder = new SessionBuilder(aliceSessionStore, alicePreKeyStore, aliceSignedPreKeyStore, aliceIdentStore, BOB_ADDRESS); PreKeyBundle bobPreKey = bundleInfo.BUNDLE_INFO.getRandomPreKey(bundleInfo.DEVICE_ID); sessionBuilder.process(bobPreKey); // Check if session exists: Assert.IsTrue(aliceSessionStore.ContainsSession(BOB_ADDRESS)); Assert.IsTrue(aliceSessionStore.LoadSession(BOB_ADDRESS).getSessionState().getSessionVersion() == 3); // Alice sends a message: string aliceOrigMsg = "$(rm -rvf .)"; // 1. Generate a new AES-128 GCM key/iv: Aes128GcmCpp aes128Gcm = new Aes128GcmCpp(); aes128Gcm.generateKey(); aes128Gcm.generateIv(); // 2. Encrypt the message using the Aes128Gcm instance: byte[] encryptedData = aes128Gcm.encrypt(Encoding.UTF8.GetBytes(aliceOrigMsg)); string base64Payload = Convert.ToBase64String(encryptedData); string base64IV = Convert.ToBase64String(aes128Gcm.iv); // 3. Concatenate key and authentication tag: byte[] keyAuthTag = new byte[aes128Gcm.authTag.Length + aes128Gcm.key.Length]; Buffer.BlockCopy(aes128Gcm.key, 0, keyAuthTag, 0, aes128Gcm.key.Length); Buffer.BlockCopy(aes128Gcm.authTag, 0, keyAuthTag, aes128Gcm.key.Length, aes128Gcm.authTag.Length); SessionCipher aliceSessionCipher = new SessionCipher(aliceSessionStore, alicePreKeyStore, aliceSignedPreKeyStore, aliceIdentStore, BOB_ADDRESS); CiphertextMessage ciphertextMessage = aliceSessionCipher.encrypt(keyAuthTag); OmemoKey omemoKey = new OmemoKey(BOB_ADDRESS.getDeviceId(), ciphertextMessage is PreKeySignalMessage, Convert.ToBase64String(ciphertextMessage.serialize())); Assert.IsTrue(string.Equals(Convert.ToBase64String(ciphertextMessage.serialize()), omemoKey.BASE_64_KEY)); //-------------------Decrypt Again:------------------- // 2. Load the cipher: SessionCipher cipher = new SessionCipher(bobSessionStore, bobPreKeyStore, bobSignedPreKeyStore, bobIdentStore, ALICE_ADDRESS); byte[] encryptedKeyAuthTag = Convert.FromBase64String(omemoKey.BASE_64_KEY); byte[] decryptedKeyAuthTag = null; if (omemoKey.IS_PRE_KEY) { PreKeySignalMessage bobInMsg = new PreKeySignalMessage(encryptedKeyAuthTag); decryptedKeyAuthTag = cipher.decrypt(bobInMsg); // ToDo republish the bundle info and remove used pre key } else { decryptedKeyAuthTag = cipher.decrypt(new SignalMessage(encryptedKeyAuthTag)); } // 3. Check if the cipher got loaded successfully: Assert.IsTrue(decryptedKeyAuthTag != null); // 4. Decrypt the payload: byte[] aesIv = Convert.FromBase64String(base64IV); byte[] aesKey = new byte[16]; byte[] aesAuthTag = new byte[decryptedKeyAuthTag.Length - aesKey.Length]; Buffer.BlockCopy(decryptedKeyAuthTag, 0, aesKey, 0, aesKey.Length); Buffer.BlockCopy(decryptedKeyAuthTag, aesKey.Length, aesAuthTag, 0, aesAuthTag.Length); aes128Gcm = new Aes128GcmCpp() { key = aesKey, authTag = aesAuthTag, iv = aesIv }; encryptedData = Convert.FromBase64String(base64Payload); byte[] bobData = aes128Gcm.decrypt(encryptedData); // 5. Convert decrypted data to Unicode string: string bobRecMsg = Encoding.UTF8.GetString(bobData); // Check if successfully send: Assert.AreEqual(aliceOrigMsg, bobRecMsg); Assert.IsTrue(bobSessionStore.ContainsSession(ALICE_ADDRESS)); }