private May <uint> processV3(SessionRecord sessionRecord, PreKeySignalMessage message) { if (sessionRecord.hasSessionState(message.getMessageVersion(), message.getBaseKey().serialize())) { Debug.WriteLine("We've already setup a session for this V3 message, letting bundled message fall through..."); return(May <uint> .NoValue); } ECKeyPair ourSignedPreKey = signedPreKeyStore.LoadSignedPreKey(message.getSignedPreKeyId()).getKeyPair(); BobSignalProtocolParameters.Builder parameters = BobSignalProtocolParameters.newBuilder(); parameters.setTheirBaseKey(message.getBaseKey()) .setTheirIdentityKey(message.getIdentityKey()) .setOurIdentityKey(identityKeyStore.GetIdentityKeyPair()) .setOurSignedPreKey(ourSignedPreKey) .setOurRatchetKey(ourSignedPreKey); if (message.getPreKeyId().HasValue) { parameters.setOurOneTimePreKey(new May <ECKeyPair>(preKeyStore.LoadPreKey(message.getPreKeyId().ForceGetValue()).getKeyPair())); } else { parameters.setOurOneTimePreKey(May <ECKeyPair> .NoValue); } if (!sessionRecord.isFresh()) { sessionRecord.archiveCurrentState(); } RatchetingSession.initializeSession(sessionRecord.getSessionState(), parameters.create()); sessionRecord.getSessionState().setLocalRegistrationId(identityKeyStore.GetLocalRegistrationId()); sessionRecord.getSessionState().setRemoteRegistrationId(message.getRegistrationId()); sessionRecord.getSessionState().setAliceBaseKey(message.getBaseKey().serialize()); if (message.getPreKeyId().HasValue&& message.getPreKeyId().ForceGetValue() != Medium.MAX_VALUE) { return(message.getPreKeyId()); } else { return(May <uint> .NoValue); } }
private void initializeSessionsV3(SessionState aliceSessionState, SessionState bobSessionState) { ECKeyPair aliceIdentityKeyPair = Curve.generateKeyPair(); IdentityKeyPair aliceIdentityKey = new IdentityKeyPair(new IdentityKey(aliceIdentityKeyPair.getPublicKey()), aliceIdentityKeyPair.getPrivateKey()); ECKeyPair aliceBaseKey = Curve.generateKeyPair(); ECKeyPair aliceEphemeralKey = Curve.generateKeyPair(); ECKeyPair alicePreKey = aliceBaseKey; ECKeyPair bobIdentityKeyPair = Curve.generateKeyPair(); IdentityKeyPair bobIdentityKey = new IdentityKeyPair(new IdentityKey(bobIdentityKeyPair.getPublicKey()), bobIdentityKeyPair.getPrivateKey()); ECKeyPair bobBaseKey = Curve.generateKeyPair(); ECKeyPair bobEphemeralKey = bobBaseKey; ECKeyPair bobPreKey = Curve.generateKeyPair(); AliceSignalProtocolParameters aliceParameters = AliceSignalProtocolParameters.newBuilder() .setOurBaseKey(aliceBaseKey) .setOurIdentityKey(aliceIdentityKey) .setTheirOneTimePreKey(May <ECPublicKey> .NoValue) .setTheirRatchetKey(bobEphemeralKey.getPublicKey()) .setTheirSignedPreKey(bobBaseKey.getPublicKey()) .setTheirIdentityKey(bobIdentityKey.getPublicKey()) .create(); BobSignalProtocolParameters bobParameters = BobSignalProtocolParameters.newBuilder() .setOurRatchetKey(bobEphemeralKey) .setOurSignedPreKey(bobBaseKey) .setOurOneTimePreKey(May <ECKeyPair> .NoValue) .setOurIdentityKey(bobIdentityKey) .setTheirIdentityKey(aliceIdentityKey.getPublicKey()) .setTheirBaseKey(aliceBaseKey.getPublicKey()) .create(); RatchetingSession.initializeSession(aliceSessionState, aliceParameters); RatchetingSession.initializeSession(bobSessionState, bobParameters); }
public void testRatchetingSessionAsBob() { byte[] bobPublic = { (byte)0x05, (byte)0x2c, (byte)0xb4, (byte)0x97, (byte)0x76, (byte)0xb8, (byte)0x77, (byte)0x02, (byte)0x05, (byte)0x74, (byte)0x5a, (byte)0x3a, (byte)0x6e, (byte)0x24, (byte)0xf5, (byte)0x79, (byte)0xcd, (byte)0xb4, (byte)0xba, (byte)0x7a, (byte)0x89, (byte)0x04, (byte)0x10, (byte)0x05, (byte)0x92, (byte)0x8e, (byte)0xbb, (byte)0xad, (byte)0xc9, (byte)0xc0, (byte)0x5a, (byte)0xd4, (byte)0x58 }; byte[] bobPrivate = { (byte)0xa1, (byte)0xca, (byte)0xb4, (byte)0x8f, (byte)0x7c, (byte)0x89, (byte)0x3f, (byte)0xaf, (byte)0xa9, (byte)0x88, (byte)0x0a, (byte)0x28, (byte)0xc3, (byte)0xb4, (byte)0x99, (byte)0x9d, (byte)0x28, (byte)0xd6, (byte)0x32, (byte)0x95, (byte)0x62, (byte)0xd2, (byte)0x7a, (byte)0x4e, (byte)0xa4, (byte)0xe2, (byte)0x2e, (byte)0x9f, (byte)0xf1, (byte)0xbd, (byte)0xd6, (byte)0x5a }; byte[] bobIdentityPublic = { (byte)0x05, (byte)0xf1, (byte)0xf4, (byte)0x38, (byte)0x74, (byte)0xf6, (byte)0x96, (byte)0x69, (byte)0x56, (byte)0xc2, (byte)0xdd, (byte)0x47, (byte)0x3f, (byte)0x8f, (byte)0xa1, (byte)0x5a, (byte)0xde, (byte)0xb7, (byte)0x1d, (byte)0x1c, (byte)0xb9, (byte)0x91, (byte)0xb2, (byte)0x34, (byte)0x16, (byte)0x92, (byte)0x32, (byte)0x4c, (byte)0xef, (byte)0xb1, (byte)0xc5, (byte)0xe6, (byte)0x26 }; byte[] bobIdentityPrivate = { (byte)0x48, (byte)0x75, (byte)0xcc, (byte)0x69, (byte)0xdd, (byte)0xf8, (byte)0xea, (byte)0x07, (byte)0x19, (byte)0xec, (byte)0x94, (byte)0x7d, (byte)0x61, (byte)0x08, (byte)0x11, (byte)0x35, (byte)0x86, (byte)0x8d, (byte)0x5f, (byte)0xd8, (byte)0x01, (byte)0xf0, (byte)0x2c, (byte)0x02, (byte)0x25, (byte)0xe5, (byte)0x16, (byte)0xdf, (byte)0x21, (byte)0x56, (byte)0x60, (byte)0x5e }; byte[] aliceBasePublic = { (byte)0x05, (byte)0x47, (byte)0x2d, (byte)0x1f, (byte)0xb1, (byte)0xa9, (byte)0x86, (byte)0x2c, (byte)0x3a, (byte)0xf6, (byte)0xbe, (byte)0xac, (byte)0xa8, (byte)0x92, (byte)0x02, (byte)0x77, (byte)0xe2, (byte)0xb2, (byte)0x6f, (byte)0x4a, (byte)0x79, (byte)0x21, (byte)0x3e, (byte)0xc7, (byte)0xc9, (byte)0x06, (byte)0xae, (byte)0xb3, (byte)0x5e, (byte)0x03, (byte)0xcf, (byte)0x89, (byte)0x50 }; byte[] aliceEphemeralPublic = { (byte)0x05, (byte)0x6c, (byte)0x3e, (byte)0x0d, (byte)0x1f, (byte)0x52, (byte)0x02, (byte)0x83, (byte)0xef, (byte)0xcc, (byte)0x55, (byte)0xfc, (byte)0xa5, (byte)0xe6, (byte)0x70, (byte)0x75, (byte)0xb9, (byte)0x04, (byte)0x00, (byte)0x7f, (byte)0x18, (byte)0x81, (byte)0xd1, (byte)0x51, (byte)0xaf, (byte)0x76, (byte)0xdf, (byte)0x18, (byte)0xc5, (byte)0x1d, (byte)0x29, (byte)0xd3, (byte)0x4b }; byte[] aliceIdentityPublic = { (byte)0x05, (byte)0xb4, (byte)0xa8, (byte)0x45, (byte)0x56, (byte)0x60, (byte)0xad, (byte)0xa6, (byte)0x5b, (byte)0x40, (byte)0x10, (byte)0x07, (byte)0xf6, (byte)0x15, (byte)0xe6, (byte)0x54, (byte)0x04, (byte)0x17, (byte)0x46, (byte)0x43, (byte)0x2e, (byte)0x33, (byte)0x39, (byte)0xc6, (byte)0x87, (byte)0x51, (byte)0x49, (byte)0xbc, (byte)0xee, (byte)0xfc, (byte)0xb4, (byte)0x2b, (byte)0x4a }; byte[] bobSignedPreKeyPublic = { (byte)0x05, (byte)0xac, (byte)0x24, (byte)0x8a, (byte)0x8f, (byte)0x26, (byte)0x3b, (byte)0xe6, (byte)0x86, (byte)0x35, (byte)0x76, (byte)0xeb, (byte)0x03, (byte)0x62, (byte)0xe2, (byte)0x8c, (byte)0x82, (byte)0x8f, (byte)0x01, (byte)0x07, (byte)0xa3, (byte)0x37, (byte)0x9d, (byte)0x34, (byte)0xba, (byte)0xb1, (byte)0x58, (byte)0x6b, (byte)0xf8, (byte)0xc7, (byte)0x70, (byte)0xcd, (byte)0x67 }; byte[] bobSignedPreKeyPrivate = { (byte)0x58, (byte)0x39, (byte)0x00, (byte)0x13, (byte)0x1f, (byte)0xb7, (byte)0x27, (byte)0x99, (byte)0x8b, (byte)0x78, (byte)0x03, (byte)0xfe, (byte)0x6a, (byte)0xc2, (byte)0x2c, (byte)0xc5, (byte)0x91, (byte)0xf3, (byte)0x42, (byte)0xe4, (byte)0xe4, (byte)0x2a, (byte)0x8c, (byte)0x8d, (byte)0x5d, (byte)0x78, (byte)0x19, (byte)0x42, (byte)0x09, (byte)0xb8, (byte)0xd2, (byte)0x53 }; byte[] senderChain = { (byte)0x97, (byte)0x97, (byte)0xca, (byte)0xca, (byte)0x53, (byte)0xc9, (byte)0x89, (byte)0xbb, (byte)0xe2, (byte)0x29, (byte)0xa4, (byte)0x0c, (byte)0xa7, (byte)0x72, (byte)0x70, (byte)0x10, (byte)0xeb, (byte)0x26, (byte)0x04, (byte)0xfc, (byte)0x14, (byte)0x94, (byte)0x5d, (byte)0x77, (byte)0x95, (byte)0x8a, (byte)0x0a, (byte)0xed, (byte)0xa0, (byte)0x88, (byte)0xb4, (byte)0x4d }; IdentityKey bobIdentityKeyPublic = new IdentityKey(bobIdentityPublic, 0); ECPrivateKey bobIdentityKeyPrivate = Curve.decodePrivatePoint(bobIdentityPrivate); IdentityKeyPair bobIdentityKey = new IdentityKeyPair(bobIdentityKeyPublic, bobIdentityKeyPrivate); ECPublicKey bobEphemeralPublicKey = Curve.decodePoint(bobPublic, 0); ECPrivateKey bobEphemeralPrivateKey = Curve.decodePrivatePoint(bobPrivate); ECKeyPair bobEphemeralKey = new ECKeyPair(bobEphemeralPublicKey, bobEphemeralPrivateKey); ECKeyPair bobBaseKey = bobEphemeralKey; ECKeyPair bobSignedPreKey = new ECKeyPair(Curve.decodePoint(bobSignedPreKeyPublic, 0), Curve.decodePrivatePoint(bobSignedPreKeyPrivate)); ECPublicKey aliceBasePublicKey = Curve.decodePoint(aliceBasePublic, 0); ECPublicKey aliceEphemeralPublicKey = Curve.decodePoint(aliceEphemeralPublic, 0); IdentityKey aliceIdentityPublicKey = new IdentityKey(aliceIdentityPublic, 0); BobSignalProtocolParameters parameters = BobSignalProtocolParameters.newBuilder() .setOurIdentityKey(bobIdentityKey) .setOurSignedPreKey(bobSignedPreKey) .setOurRatchetKey(bobEphemeralKey) .setOurOneTimePreKey(May <ECKeyPair> .NoValue) .setTheirIdentityKey(aliceIdentityPublicKey) .setTheirBaseKey(aliceBasePublicKey) .create(); SessionState session = new SessionState(); RatchetingSession.initializeSession(session, parameters); Assert.AreEqual <IdentityKey>(session.getLocalIdentityKey(), bobIdentityKey.getPublicKey()); Assert.AreEqual <IdentityKey>(session.getRemoteIdentityKey(), aliceIdentityPublicKey); CollectionAssert.AreEqual(session.getSenderChainKey().getKey(), senderChain); }