TW MapleStory Server Demo.
Only implemented the login server.
The channel server need much time to overcome...

• MapleVersion: 240.3
• Database: mongodb
• Golang version at least 1.21 to support slog
• Client must resovle old domain to server ip
  echo 127.0.0.1 tw.login.maplestory.gamania.com >> C:\Windows\System32\drivers\etc\hosts

• KMS1029

PacketLen = (Header[0]+Header[1]*0x100) ^ (Header[2]+Header[3]*0x100)

• sVersion = (^clientVer >> 8 & 0xFF) | ((^clientVer << 8) & 0xFF00)
• a = int(sendIV[3])
• a |= int(sendIV[2])<<8
• a ^= sVersion
• b = ((PacketLen << 8) & 0xFF00) | (PacketLen >> 8)
• c = a ^ b
• Header = [a>>8, a, c>>8, b]