//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();
}
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();
}
}
//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();
}
/// <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();
}