public bool StartEncryption(string username, string sessionID, byte[] token, string serverIDhash, java.security.PublicKey serverKey, javax.crypto.SecretKey secretKey)
{
Console.ForegroundColor = ConsoleColor.DarkGray;
ConsoleIO.WriteLine("Crypto keys & hash generated.");
Console.ForegroundColor = ConsoleColor.Gray;
if (serverIDhash != "-")
{
Console.WriteLine("Checking Session...");
if (!SessionCheck(username, sessionID, new java.math.BigInteger(Crypto.getServerHash(serverIDhash, serverKey, secretKey)).toString(16)))
{
return false;
}
}
//Encrypt the data
byte[] key_enc = Crypto.Encrypt(serverKey, secretKey.getEncoded());
byte[] token_enc = Crypto.Encrypt(serverKey, token);
byte[] keylen = BitConverter.GetBytes((short)key_enc.Length);
byte[] tokenlen = BitConverter.GetBytes((short)token_enc.Length);
Array.Reverse(keylen);
Array.Reverse(tokenlen);
//Building the packet
byte[] data = new byte[5 + (short)key_enc.Length + (short)token_enc.Length];
data[0] = 0xFC;
keylen.CopyTo(data, 1);
key_enc.CopyTo(data, 3);
tokenlen.CopyTo(data, 3 + (short)key_enc.Length);
token_enc.CopyTo(data, 5 + (short)key_enc.Length);
//Send it back
Send(data);
//Getting the next packet
byte[] pid = new byte[1];
Receive(pid, 0, 1, SocketFlags.None);
if (pid[0] == 0xFC)
{
readData(4);
setEncryptedClient(Crypto.SwitchToAesMode(c.GetStream(), secretKey));
return true;
}
else return false;
}
public bool StartEncryption(string uuid, string sessionID, byte[] token, string serverIDhash, java.security.PublicKey serverKey, javax.crypto.SecretKey secretKey)
{
Console.ForegroundColor = ConsoleColor.DarkGray;
ConsoleIO.WriteLine("Crypto keys & hash generated.");
Console.ForegroundColor = ConsoleColor.Gray;
if (serverIDhash != "-")
{
Console.WriteLine("Checking Session...");
if (!SessionCheck(uuid, sessionID, new java.math.BigInteger(Crypto.getServerHash(serverIDhash, serverKey, secretKey)).toString(16)))
{
return false;
}
}
//Encrypt the data
byte[] key_enc = Crypto.Encrypt(serverKey, secretKey.getEncoded());
byte[] token_enc = Crypto.Encrypt(serverKey, token);
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
setEncryptedClient(Crypto.SwitchToAesMode(c.GetStream(), secretKey));
//Get the next packet
readNextVarInt(); //Skip Packet size (not needed)
return (readNextVarInt() == 0x02); //Packet ID. 0x02 = Login Success
}