private void setEncryptedClient(Crypto.AesStream n)
{
s = n; encrypted = true;
}
public bool StartEncryption(string uuid, string sessionID, byte[] token, string serverIDhash, byte[] serverKey)
{
System.Security.Cryptography.RSACryptoServiceProvider RSAService = Crypto.DecodeRSAPublicKey(serverKey);
byte[] secretKey = Crypto.GenerateAESPrivateKey();
Console.ForegroundColor = ConsoleColor.DarkGray;
ConsoleIO.WriteLine("Crypto keys & hash generated.");
Console.ForegroundColor = ConsoleColor.Gray;
if (serverIDhash != "-")
{
Console.WriteLine("Checking Session...");
if (!SessionCheck(uuid, sessionID, Crypto.getServerHash(serverIDhash, serverKey, secretKey)))
{
return false;
}
}
//Encrypt the data
byte[] key_enc = RSAService.Encrypt(secretKey, false);
byte[] token_enc = RSAService.Encrypt(token, false);
byte[] key_len = BitConverter.GetBytes((short)key_enc.Length); Array.Reverse(key_len);
byte[] token_len = BitConverter.GetBytes((short)token_enc.Length); Array.Reverse(token_len);
//Encryption Response packet
byte[] packet_id = getVarInt(0x01);
byte[] encryption_response = concatBytes(packet_id, key_len, key_enc, token_len, token_enc);
byte[] encryption_response_tosend = concatBytes(getVarInt(encryption_response.Length), encryption_response);
Send(encryption_response_tosend);
//Start client-side encryption
Crypto.IAesStream encrypted;
if (Program.isUsingMono) { encrypted = new Crypto.MonoAesStream(c.GetStream(), secretKey); }
else encrypted = new Crypto.AesStream(c.GetStream(), secretKey);
setEncryptedClient(encrypted);
//Get the next packet
readNextVarInt(); //Skip Packet size (not needed)
return (readNextVarInt() == 0x02); //Packet ID. 0x02 = Login Success
}
