public static Encryption CreateServerGame(GameEncryptionType type, uint seed)
{
IEncryptor encryptor;
IDecryptor decryptor;
switch (type)
{
case GameEncryptionType.None:
encryptor = new Huffman();
decryptor = new NoEncryption();
break;
case GameEncryptionType.Old: // Blowfish
encryptor = new Huffman();
decryptor = new BlowfishEncryption();
break;
case GameEncryptionType.Rare: // Blowfish + Twofish
encryptor = new Huffman();
decryptor = new BlowfishTwofishEncryption(seed);
break;
case GameEncryptionType.New: // Twofish + MD5
encryptor = new HuffmanMD5Encryption(seed);
decryptor = new TwofishEncryption(seed);
break;
default:
throw new Exception("Internal error.");
}
return(new Encryption(encryptor, decryptor));
}
public static Encryption CreateClientGame(GameEncryptionType type, uint seed)
{
IEncryptor encryptor;
IDecryptor decryptor;
switch (type)
{
case GameEncryptionType.None:
encryptor = new NoEncryption();
decryptor = new Huffman();
break;
case GameEncryptionType.Old: // Blowfish
encryptor = new BlowfishEncryption();
decryptor = new Huffman();
break;
case GameEncryptionType.Rare: // Blowfish + Twofish
encryptor = new BlowfishTwofishEncryption(seed);
decryptor = new Huffman();
break;
case GameEncryptionType.New: // Twofish + MD5
encryptor = new TwofishEncryption(seed);
decryptor = new HuffmanMD5Encryption(seed);
break;
default:
throw new Exception("Internal error.");
}
return new Encryption(encryptor, decryptor);
}
private GameEncryptionType GetServerEncryption(GameEncryptionType clientEncryption)
{
int v = Int32.Parse(Core.LaunchData.ServerEncryption);
switch (v)
{
case 0:
return(GameEncryptionType.None);
case 1:
return(clientEncryption);
case 2:
return(GameEncryptionType.Old);
case 3:
return(GameEncryptionType.Rare);
case 4:
return(GameEncryptionType.New);
default:
Trace.WriteLine("server game encryption. Using same as client.", "Communication");
return(CommunicationManager.ClientEncryption);
}
}
public static EncryptionVersion FromGame(GameEncryptionType game)
{
switch (game)
{
case GameEncryptionType.None:
return(new EncryptionVersion());
case GameEncryptionType.Old:
return(new EncryptionVersion(1, 26, 4));
case GameEncryptionType.Rare:
return(new EncryptionVersion(2, 0, 0));
case GameEncryptionType.New:
return(new EncryptionVersion(2, 0, 4));
default:
throw new Exception("Internal error.");
}
}
private GameEncryptionType GetServerEncryption(GameEncryptionType clientEncryption)
{
int v = Int32.Parse(Core.LaunchData.ServerEncryption);
switch (v)
{
case 0:
return GameEncryptionType.None;
case 1:
return clientEncryption;
case 2:
return GameEncryptionType.Old;
case 3:
return GameEncryptionType.Rare;
case 4:
return GameEncryptionType.New;
default:
Trace.WriteLine("server game encryption. Using same as client.", "Communication");
return CommunicationManager.ClientEncryption;
}
}
