public void HashAndCompare()
{
using (var stream = new System.IO.MemoryStream())
using (var stream2 = new System.IO.MemoryStream())
{
var theObject = new TanksCommon.SharedObjects.GameMove()
{
MessageId = 8
};
var messageStream = TanksCommon.MessageEncoder.EncodeMessage(stream, theObject);
messageStream.Seek(0, System.IO.SeekOrigin.Begin);
var messageBytes = messageStream.ToArray();
var hash = GameCom.Hash.HashData(messageBytes);
//slightly different object
var theObject2 = new TanksCommon.SharedObjects.GameMove()
{
MessageId = 1
};
var messageStream2 = TanksCommon.MessageEncoder.EncodeMessage(stream2, theObject2);
messageStream2.Seek(0, System.IO.SeekOrigin.Begin);
var messageBytes2 = messageStream2.ToArray();
Assert.IsFalse(GameCom.Hash.HashAndCompare(messageBytes2, hash));
}
}
public void MessageHashFailed()
{
TheMessenger.ReceivedDataDelegateForLog theHandler;
TheMessenger.ReceivedDataLog += theHandler = (messageText) =>
{
//should be asking to send message 8
//this also works if we recieve out of order, see how we send 8
Assert.IsTrue(messageText.Contains("Hash failed. Asking to resend Message: 8"));
};
using (var stream = new System.IO.MemoryStream())
{
var theObject = new TanksCommon.SharedObjects.GameMove()
{
MessageId = 8
};
var messageStream = TanksCommon.MessageEncoder.EncodeMessage(stream, theObject);
messageStream.Seek(0, System.IO.SeekOrigin.Begin);
var messageBytes = messageStream.ToArray();
var hash = new byte[32];//send all 0s (incorrect hash)
System.Collections.Generic.List <byte> byteList = new System.Collections.Generic.List <byte>(hash);
byteList.AddRange(messageBytes);
_serverMessenger.SendDataToClient(byteList.ToArray());
}
Thread.Sleep(200);
TheMessenger.ReceivedDataLog -= theHandler;
}
public void TestMessages()
{
using (var stream = new System.IO.MemoryStream())
{
var messageStream = new System.IO.MemoryStream();
TanksCommon.SharedObjects.GameMove theObject = new TanksCommon.SharedObjects.GameMove();
theObject.GameId = 2;
theObject.GunType = 5;
theObject.LocationY = 3;
theObject.LocationX = 4;
theObject.MoveId = 7;
theObject.PlayerId = 15;
theObject.ShotAngle = 95;
theObject.ShotPower = 86;
messageStream = TanksCommon.MessageEncoder.EncodeMessage(stream, theObject);
messageStream.Seek(0, System.IO.SeekOrigin.Begin);
var decodedObject = TanksCommon.MessageDecoder.DecodeMessage <TanksCommon.SharedObjects.GameMove>(messageStream);
Assert.AreEqual(theObject.GameId, decodedObject.GameId);
Assert.AreEqual(theObject.GunType, theObject.GunType);
Assert.AreEqual(theObject.LocationY, theObject.LocationY);
Assert.AreEqual(theObject.LocationX, theObject.LocationX);
Assert.AreEqual(theObject.MoveId, theObject.MoveId);
Assert.AreEqual(theObject.PlayerId, theObject.PlayerId);
Assert.AreEqual(theObject.ShotAngle, theObject.ShotAngle);
Assert.AreEqual(theObject.ShotPower, theObject.ShotPower);
Assert.AreEqual(theObject, theObject);
Assert.AreEqual(theObject, theObject);
}
}
public void EncryptDecryptTest()
{
byte[] messageBytes = null;
using (var stream = new System.IO.MemoryStream())
{
var theObject = new TanksCommon.SharedObjects.GameMove()
{
MessageId = 8
};
var messageStream = TanksCommon.MessageEncoder.EncodeMessage(stream, theObject);
messageStream.Seek(0, System.IO.SeekOrigin.Begin);
messageBytes = messageStream.ToArray();
}
//can only encrypt messages, only has public key
TanksCommon.Encryption.EncryptioinKeys clientKey = new TanksCommon.Encryption.EncryptioinKeys();
//can decrypt messages, has public and private key
TanksCommon.Encryption.EncryptioinKeys serverKey = new TanksCommon.Encryption.EncryptioinKeys();
//server provides public RSA keys and client imports them
clientKey.ImportPublicKey(serverKey.ExportPublicKey());
//client can encrypt AES keys with the provided RSA keys
var clientEncryptor = new GameCom.Encrypt(clientKey);
//server sets public AES keys
serverKey.SetIvAndSessionKey(clientKey.Iv, clientKey.SessionKey);
var e1 = clientEncryptor.EncryptBytes(messageBytes);
var d1 = GameCom.Encrypt.DecryptBytes(serverKey, e1);
Assert.IsFalse(messageBytes.SequenceEqual(e1));
Assert.IsTrue(messageBytes.SequenceEqual(d1));
//serverKey.SetIvAndSessionKey(clientKey.Iv, clientKey.SessionKey);
/*var serverEncrypter = new GameCom.Encrypt(serverKey);
*
* var e2 = serverEncrypter.EncryptBytes(messageBytes);
*
* var d2 = GameCom.Encrypt.DecryptBytes(clientKey, e2);
*
* Assert.IsTrue(d2.SequenceEqual(messageBytes));*/
}
public void Hash()
{
using (var stream = new System.IO.MemoryStream())
{
var theObject = new TanksCommon.SharedObjects.GameMove()
{
MessageId = 8
};
var messageStream = TanksCommon.MessageEncoder.EncodeMessage(stream, theObject);
messageStream.Seek(0, System.IO.SeekOrigin.Begin);
var messageBytes = messageStream.ToArray();
var hash = GameCom.Hash.HashData(messageBytes);
Assert.IsNotNull(hash);
Assert.IsTrue(hash.Length == 32);
}
}
public bool SendMove(TanksCommon.SharedObjects.GameMove move)
{
_log.Debug($"Sending Move: {move}");
_gameServerMessenger.SendObjectToTcpClient(move);
return(false);
}