/// <summary>
/// Create a message object from the specified buffer.
/// </summary>
/// <param name="aBuf">The buffer containing the message.</param>
/// <param name="aIndex">The index where the message is starting in the buffer.</param>
/// <param name="aLength">The length of the message.</param>
internal MsgAccount(Byte[] aBuf, int aIndex, int aLength)
: base(aBuf, aIndex, aLength)
{
RivestCipher5 cipher = new RivestCipher5(COServer.Server.RC5_SEED);
Byte[] pwd_data = new Byte[MAX_NAME_SIZE];
Buffer.BlockCopy(mBuf, 20, pwd_data, 0, MAX_NAME_SIZE);
cipher.Decrypt(ref pwd_data, MAX_NAME_SIZE);
__Account = Program.Encoding.GetString(mBuf, 4, MAX_NAME_SIZE).TrimEnd('\0');
__Password = Program.Encoding.GetString(pwd_data, 0, MAX_NAME_SIZE).TrimEnd('\0');
__Server = Program.Encoding.GetString(mBuf, 36, MAX_NAME_SIZE).TrimEnd('\0');
}
/// <summary>
/// Packet Type: 1086. This packet is accepted by the Account Server as the first packet from the client. It
/// contains login information specified by the client, information such as the player's account name, encrypted
/// password, and requested message server. The packet should be handled by decrypting the password, checking it
/// with the database, and transferring the client to the message server (or rejecting access). The packet
/// will decrypt the password automatically.
/// </summary>
/// <param name="packet">The received packet.</param>
/// <param name="seed">The seed used for Rivest Cipher 5.</param>
public MsgAccount(byte[] packet, int seed)
: base(packet)
{
// Initialize Decryption Algorithms:
var rivestCipher = new RivestCipher5(seed);
var netdragonCipher = new NetDragonPasswordCipher(Account);
byte[] encrypted = ReadArray(16, 132);
// Decrypt Password:
rivestCipher.Decrypt(encrypted);
netdragonCipher.Decrypt(encrypted);
fixed(byte *decrypted = encrypted)
Password = new string((sbyte *)decrypted);
}
