public void DeCrypt(ref byte[] raw, int lenght, int offset, PacketType type) { Gamecrypt crypt; if (type == PacketType.ClientToGameserver) { crypt = this.clientCrypt; } else if (type == PacketType.GameserverToClient) { crypt = this.serverCrypt; } else { throw new Exception("Wrong PacketType " + type.ToString() + " for " + this.ToString()); } crypt.decrypt(ref raw, offset, lenght); if (this.state == ConnectionState.Connected) { if (raw[0 + offset] == 0x2e) { Bytebuffer bb = new Bytebuffer(raw); bb.Position = offset; this.onKeyPacket(bb); } else if (raw[0 + offset] == 0x09) { // CharSelectionInfo this.state = ConnectionState.Authed; } } else if (this.state == ConnectionState.Authed) { if (raw[0 + offset] == 0x73) { this.state = ConnectionState.InGame; } } else if (this.state == ConnectionState.InGame) { if (raw[0 + offset] == 0x0b) { //CharSelected Bytebuffer bb = new Bytebuffer(raw); bb.Position = offset; this.onCharSelected(new Bytebuffer(raw)); } } }
public SendablePacket() { this.buffer = new Bytebuffer(); }
public ReadablePacket(byte[] buffer) { this.buffer = new Bytebuffer(buffer); }
public ReadablePacket(Bytebuffer buffer) { this.buffer = buffer; }
public ReadablePacket(byte[] buffer) { this.buffer = new Bytebuffer(buffer); }
public ReadablePacket(Bytebuffer buffer) { this.buffer = buffer; }
private void onKeyPacket(Bytebuffer packet) { packet.ReadByte(); this.cryptKey = packet.ReadBytes(16); this.cryptKey[8] = (byte)0xc8; this.cryptKey[9] = (byte)0x27; this.cryptKey[10] = (byte)0x93; this.cryptKey[11] = (byte)0x01; this.cryptKey[12] = (byte)0xa1; this.cryptKey[13] = (byte)0x6c; this.cryptKey[14] = (byte)0x31; this.cryptKey[15] = (byte)0x97; serverCrypt.setKey(this.cryptKey); clientCrypt.setKey(this.cryptKey); // ddcd packet.ReadInt(); packet.ReadInt(); packet.ReadByte(); this.obfusicateKey = packet.ReadInt(); serverCrypt.generateOpcodeTable(this.obfusicateKey); clientCrypt.generateOpcodeTable(this.obfusicateKey); }
private void onCharSelected(Bytebuffer packet) { packet.ReadString(); // name packet.ReadInt(); // CharId packet.ReadString(); // Title packet.ReadBytes(196);// 196 bytes this.obfusicateKey = packet.ReadInt(); serverCrypt.generateOpcodeTable(this.obfusicateKey); clientCrypt.generateOpcodeTable(this.obfusicateKey); }
public SendablePacket() { this.buffer = new Bytebuffer(); }
private void handleInit(Bytebuffer packet) { int sessionId = packet.ReadInt(); int protocolVer = packet.ReadInt(); byte[] publicKey = packet.ReadBytes(0x80); // 4x read D (GameGuard); for (int i = 0; i < 4; i++) packet.ReadInt(); byte[] blowfishKey = packet.ReadBytes(0x10); // set new key in LoginCrypt serverCrypt.setKey(blowfishKey); clientCrypt.setKey(blowfishKey); }