private bool EncryptionRegisterFromWire(Peer toPassTo, PacketBase packet)
{
EncryptionRequest eq = packet as EncryptionRequest;
if (eq == null)
{
ClassLogger.LogError("Recieved encryption request with null packet.");
return(false);
}
if (!EncryptionFactory.ContainsKey(eq.EncryptionByteType))
{
ClassLogger.LogError("Failed to establish encryption from Peer ID: "
+ toPassTo.UniqueConnectionId + " with EncryptionByte: " + eq.EncryptionByteType);
return(false);
}
EncryptionBase newEncryptionObj = EncryptionFactory[eq.EncryptionByteType]();
toPassTo.EncryptionRegister.Register(newEncryptionObj, eq.EncryptionByteType);
bool result = toPassTo.EncryptionRegister[eq.EncryptionByteType]
.SetNetworkInitRequiredData(eq.EncryptionInitInfo);
if (result)
{
EncryptionRequest encryptionResponse =
new EncryptionRequest(eq.EncryptionByteType, newEncryptionObj.NetworkInitRequiredData());
toPassTo.SendMessage(Packet.OperationType.Response, encryptionResponse, (byte)InternalPacketCode.EncryptionRequest,
Packet.DeliveryMethod.ReliableUnordered, 0, 0, true);
}
return(false);
}
private bool ProcessEncryptionResponse(Peer peer, PacketBase packet)
{
EncryptionRequest eq = packet as EncryptionRequest;
if (eq == null)
{
ClassLogger.LogError("Recieved encryption request with null packet.");
return(false);
}
if (!peer.EncryptionRegister.HasKey(eq.EncryptionByteType))
{
ClassLogger.LogError("Recieved an encryption request response from the server for ByteType: {0} but the client is unaware of that type."
, eq.EncryptionByteType);
return(false);
}
//TODO: Verify that this is working. Callback at one point was not working.
//This will set the server's init info. In the case of the default, for example, it will set the Diffiehelmman public key.
//With this the server and client have established a shared secret and can now pass messages, with the IV, to eachother securely.
//In the case of a custom method it is User defined and should be referenced.
bool result = peer.EncryptionRegister[eq.EncryptionByteType].SetNetworkInitRequiredData(eq.EncryptionInitInfo);
Action callback = peer.EncryptionRegister[eq.EncryptionByteType].OnEstablished;
if (callback != null)
{
callback();
}
return(result);
}
