// rc5 加密后大小不会变化的
static public bool RC5_ECB_Symmetry_Encode_Byte(byte[] encryptByte, uint startPos, uint inLen, ref byte[] outBytes, RC5_32_KEY rgbKey, CryptContext cryptContext)
{
try
{
RC5.RC5_32_ecb_encrypt_one(encryptByte, startPos, inLen, ref outBytes, rgbKey, RC5.RC5_ENCRYPT, cryptContext);
return(true);
}
catch
{
Ctx.m_instance.m_logSys.error("RC5_ECB_Symmetry_Encode_Byte error");
return(false);
}
}
protected void testRc5()
{
string testStr = "asdfasdf5";
//byte[] inBytes = System.Text.Encoding.UTF8.GetBytes(testStr);
byte[] inBytes = { 0x3f, 0x79, 0xd5, 0xe2, 0x4a, 0x8c, 0xb6, 0xc1, 0x3f, 0x79, 0xd5, 0xe2, 0x4a, 0x8c, 0xb6, 0xc1 };
byte[] outBytes = new byte[8];
uint inSize = (uint)inBytes.Length;
RC5_32_KEY rc5Key = new RC5_32_KEY(); // RC5 key
RC5.RC5_32_set_key(rc5Key, 16, Crypt.RC5_KEY, RC5.RC5_12_ROUNDS); // 生成秘钥
CryptContext cryptContext = new CryptContext();
Crypt.encryptData(inBytes, 0, 16, ref outBytes, cryptContext);
Crypt.decryptData(outBytes, 0, 16, ref inBytes, cryptContext);
testStr = System.Text.Encoding.Default.GetString(inBytes);
}
public static void Handle(byte[] Data, SocketClient Client)
{
Client.Crypto = new Cryptographer();
Client.Crypto.Decrypt(ref Data);
ushort PacketID = BitConverter.ToUInt16(Data, 2);
if (PacketID == 1051)
{
string Account = System.Text.ASCIIEncoding.ASCII.GetString(Data, 4, 16).Replace("\0", "");
byte[] PassBytes = new byte[16];
Buffer.BlockCopy(Data, 20, PassBytes, 0, 16);
string Password = RC5.Decrypt(PassBytes);
DataTable DT = Program.AccountDB.GetDataTable("SELECT `uid`, `type` FROM `userinfo` WHERE `username`='" + Account + "' AND `password`='" + Password + "'");
if (DT.Rows.Count == 1)
{
DataRow dr = DT.Rows[0];
uint UID = Convert.ToUInt32(dr.ItemArray[0]);
Enums.AccountType AcctType = (Enums.AccountType)Convert.ToByte(dr.ItemArray[1]);
if (AcctType == Enums.AccountType.BannedAccount)
{
Client.Send(Packets.ToSend.AuthResponse(Enums.AuthResponseType.Banned, UID));
}
else
{
string date = DateTime.Now.Year + "-" + DateTime.Now.Month + "-" + DateTime.Now.Day + " " + DateTime.Now.Hour + ":" + DateTime.Now.Minute + ":" + DateTime.Now.Second;
Program.AccountDB.ExecuteNonQuery("INSERT INTO `login_tokens` (`PlayerUID`, `Date`) VALUES ('" + UID + "', '" + date + "')");
Client.Send(Packets.ToSend.AuthResponse(Enums.AuthResponseType.Successful, UID));
}
}
else
{
Client.Send(Packets.ToSend.AuthResponse(Enums.AuthResponseType.WrongPass, 0));
}
}
Client.Disconnect();
}
public CryptContext()
{
m_cryptKeyArr[(int)CryptAlgorithm.RC5] = new RC5_32_KEY();
m_cryptKeyArr[(int)CryptAlgorithm.DES] = new DES_key_schedule();
RC5.RC5_32_set_key(m_cryptKeyArr[(int)CryptAlgorithm.RC5] as RC5_32_KEY, 16, Crypt.RC5_KEY, RC5.RC5_12_ROUNDS); // 生成秘钥
}