public void TestDeserialization()
{
var deserialized = LaunchSpecification.Deserialize(expectedLaunchSpec);
//Assert.Equal(handshakeKey, deserialized.HandshakeKey);
Assert.Equal(sessionId, deserialized.SessionId);
}
private void HandleControlMessage(byte[] payload, Session session)
{
if (payload[0] == 0) // Control Packet
{
byte[] message = payload;
ControlMessage controlMessage = new ControlMessage();
using (MemoryStream memoryStream = new MemoryStream(message, 0, message.Length))
using (BinaryReader binaryWriter = new BinaryReader(memoryStream))
{
controlMessage.Deserialize(binaryWriter);
}
if (controlMessage.ProtoBuffFlag == 1 && controlMessage.PLoadSize > 100)
{
TakionMessage takionMessage = ProtobufUtil.Deserialize <TakionMessage>(controlMessage.UnParsedPayload);
if (takionMessage.bigPayload != null)
{
this.textBoxPcapLogOutput.Invoke(new MethodInvoker(() => AppendLogOutputToPcapLogTextBox("!!! Big payload session key: " + takionMessage.bigPayload.sessionKey)));
this.textBoxPcapLogOutput.Invoke(new MethodInvoker(() => AppendLogOutputToPcapLogTextBox("!!! Big payload ecdh pub key in hex: " + HexUtil.Hexlify(takionMessage.bigPayload.ecdhPubKey))));
this.textBoxPcapLogOutput.Invoke(new MethodInvoker(() => AppendLogOutputToPcapLogTextBox("!!! Big payload ecdh sig in hex: " + HexUtil.Hexlify(takionMessage.bigPayload.ecdhSig))));
if (session != null)
{
byte[] launchSpecBuffer = Convert.FromBase64String(takionMessage.bigPayload.launchSpec);
byte[] cryptoBuffer = new byte[launchSpecBuffer.Length];
cryptoBuffer = session.Encrypt(cryptoBuffer, 0);
byte[] newLaunchSpec = new byte[launchSpecBuffer.Length];
for (int j = 0; j < launchSpecBuffer.Length; j++)
{
newLaunchSpec[j] = (byte)(launchSpecBuffer[j] ^ cryptoBuffer[j]);
}
string launchSpecs = Encoding.UTF8.GetString(newLaunchSpec);
LaunchSpecification launchSpecJsonObject = LaunchSpecification.Deserialize(launchSpecs);
byte[] handshakeKey = launchSpecJsonObject.HandshakeKey;
if (handshakeKey != null)
{
this.textBoxPcapLogOutput.Invoke(new MethodInvoker(() => AppendLogOutputToPcapLogTextBox("!!! Big payload handshake key in launchSpec in hex: " + HexUtil.Hexlify(handshakeKey))));
var ecdhSignatureVerification = Session.CalculateHMAC(handshakeKey, takionMessage.bigPayload.ecdhPubKey);
if (ecdhSignatureVerification.SequenceEqual(takionMessage.bigPayload.ecdhSig))
{
this.textBoxPcapLogOutput.Invoke(new MethodInvoker(() => AppendLogOutputToPcapLogTextBox("ECDH Signature matches!")));
}
else
{
this.textBoxPcapLogOutput.Invoke(new MethodInvoker(() => AppendLogOutputToPcapLogTextBox("!!!! ECDH Signature mismatch")));
}
}
this.textBoxPcapLogOutput.Invoke(new MethodInvoker(() => AppendLogOutputToPcapLogTextBox("!!! Big payload full launchSpec: " + Environment.NewLine + launchSpecJsonObject.Serialize() + Environment.NewLine)));
}
else
{
this.textBoxPcapLogOutput.Invoke(new MethodInvoker(() => AppendLogOutputToPcapLogTextBox(Environment.NewLine)));
}
}
else if (takionMessage.bangPayload != null)
{
this.textBoxPcapLogOutput.Invoke(new MethodInvoker(() => AppendLogOutputToPcapLogTextBox("!!! Bang payload session key: " + takionMessage.bangPayload.sessionKey)));
this.textBoxPcapLogOutput.Invoke(new MethodInvoker(() => AppendLogOutputToPcapLogTextBox("!!! Bang payload ecdh pub key in hex: " + HexUtil.Hexlify(takionMessage.bangPayload.ecdhPubKey))));
this.textBoxPcapLogOutput.Invoke(new MethodInvoker(() => AppendLogOutputToPcapLogTextBox("!!! Bang payload ecdh sig in hex: " + HexUtil.Hexlify(takionMessage.bangPayload.ecdhSig) + Environment.NewLine)));
}
}
else
{
if (controlMessage.Crypto != 0)
{
this.textBoxPcapLogOutput.Invoke(new MethodInvoker(() => AppendLogOutputToPcapLogTextBox("!!! Control message with crypto value: " + HexUtil.Hexlify(ByteUtil.UIntToByteArray(controlMessage.Crypto)))));
}
}
}
}
