Exemplo n.º 1
0
        //Eventually move this out of socket
        public void Initialize(ushort version)
        {
            m_version = version;

            m_siv = new MapleIV(0xBADF00D);
            m_riv = new MapleIV(0XDEADBEEF);

            //m_siv = new MapleIV(0x52616A61); //Raja
            //m_riv = new MapleIV(0x6E523078); //nR0x

            using (var p = new COutPacket())
            {
                p.Encode2(0x0E);
                p.Encode2((short)version);
                p.EncodeString("1");
                p.Encode4((int)m_riv.Value);
                p.Encode4((int)m_siv.Value);
                p.Encode1(8);

                var buffer = p.ToArray();

                SendRaw(buffer);
            }

            Receive();
        }
Exemplo n.º 2
0
        public void Dispose()
        {
            if (!Disposed)
            {
                Disposed = true;

                try
                {
                    m_socket.Shutdown(SocketShutdown.Both);
                }
                catch { /*Nothing*/ }

                try
                {
                    m_socket.Dispose();
                }
                catch { /*Nothing*/ }

                m_buffer = null;
                m_offset = 0;

                m_siv = null;
                m_riv = null;

                OnDisconnected?.Invoke();
            }
        }
Exemplo n.º 3
0
        //Eventually move this out of socket
        public void Initialize(ushort version, string subversion, byte locale)
        {
            m_version = version;

            m_siv = new MapleIV((uint)IVRand.Next());
            m_riv = new MapleIV((uint)IVRand.Next());

            using (var p = new COutPacket())
            {
                p.Encode2(0x0E);
                p.Encode2((short)version);
                p.EncodeString(subversion);
                p.Encode4((int)m_riv.Value);
                p.Encode4((int)m_siv.Value);
                p.Encode1(locale);

                var buffer = p.ToArray();
                SendSync(buffer, 0, buffer.Length);
            }

            Receive();
        }
Exemplo n.º 4
0
        /// <summary>
        /// Performs Maplestory's AES algo
        /// </summary>
        private void Transform(byte[] buffer)
        {
            int remaining = buffer.Length,
                length    = 0x5B0,
                start     = 0,
                index;

            byte[] realIV = new byte[sizeof(int) * 4],
            IVBytes = MapleIV.Bytes;

            while (remaining > 0)
            {
                for (index = 0; index < realIV.Length; ++index)
                {
                    realIV[index] = IVBytes[index % 4];
                }

                if (remaining < length)
                {
                    length = remaining;
                }
                for (index = start; index < (start + length); ++index)
                {
                    if (((index - start) % realIV.Length) == 0)
                    {
                        Transformer.TransformBlock(realIV);
                    }

                    buffer[index] ^= realIV[(index - start) % realIV.Length];
                }
                start     += length;
                remaining -= length;
                length     = 0x5B4;
            }
            MapleIV.Shuffle();
        }