public void decodeLobbyLogin(InputStream stream) {
	if (stream.readInt() != Settings.MINOR_VERSION) {
	    session.getLoginPackets().sendClosingPacket(6);
	    return;
	}
	int rsaBlockSize = stream.readUnsignedShort();
	if (rsaBlockSize > stream.getRemaining()) {
	    session.getLoginPackets().sendClosingPacket(10);
	    return;
	}
	byte[] data = new byte[rsaBlockSize];
	stream.readBytes(data, 0, rsaBlockSize);
	InputStream rsaStream = new InputStream(Utils.cryptRSA(data, Settings.PRIVATE_EXPONENT, Settings.MODULUS));
	if (rsaStream.readUnsignedByte() != 10) {
	    session.getLoginPackets().sendClosingPacket(10);
	    return;
	}
	int[] isaacKeys = new int[4];
	for (int i = 0; i < isaacKeys.length; i++)
	    isaacKeys[i] = rsaStream.readInt();

	int unknownType = rsaStream.readUnsignedByte(); // type of data
	int unknown = rsaStream.readInt();
	if (unknown != 0L) { // rsa block check, pass part
	    session.getLoginPackets().sendClosingPacket(10);
	    return;
	}

	String password = rsaStream.readString();
	if (password.length() > 30 || password.length() < 3) {
	    session.getLoginPackets().sendClosingPacket(3);
	    return;
	}
	password = Encrypt.encryptSHA1(password);
	rsaStream.readLong(); // idk
	rsaStream.readLong(); // random value


	stream.xteaDecrypt(isaacKeys, stream.getOffset(), stream.getLength());

	boolean stringUsername = stream.readUnsignedByte() == 1; // unknown
	String username = Utils.formatPlayerNameForProtocol(stringUsername ? stream.readString() : Utils
		.longToString(stream.readLong()));

	int game = stream.readUnsignedByte();
	int locale = stream.readUnsignedByte();
	int displayMode = stream.readUnsignedByte();
	int screenWidth = stream.readUnsignedShort();
	int screenHeight = stream.readUnsignedShort();

	int unknown2 = stream.readUnsignedByte();

	stream.skip(24);
	String settings = stream.readString();
	if (!settings.equals(Settings.CLIENT_SETTINGS)) {
	    session.getLoginPackets().sendClosingPacket(10);
	    System.out.println(settings + " does not equal " + Settings.CLIENT_SETTINGS);
	    return;
	}
	stream.skip(stream.readUnsignedByte()); // useless settings
	MachineInformation mInformation = decodeMachineInformation(stream);
	int unknown3 = stream.readInt();
	String worldServerToken = stream.readString();
	if (!worldServerToken.equals(Settings.WORLD_SERVER_TOKEN)) {
	    //session.getLoginPackets().sendClosingPacket(35);
	    //System.out.println(worldServerToken + " does not equal " + Settings.CLIENT_SETTINGS);
	    //return;
	}
	int affId = stream.readInt();
	int clientLoginId = stream.readInt();
	if (clientLoginId != Settings.CLIENT_LOGIN_ID) {
	    session.getLoginPackets().sendClosingPacket(35);
	    System.out.println(clientLoginId + " does not equal " + Settings.CLIENT_LOGIN_ID);
	    return;
	}
	String grabServerToken = stream.readString();
	if (!grabServerToken.equals(Settings.GRAB_SERVER_TOKEN)) {
	    session.getLoginPackets().sendClosingPacket(35);
	    System.out.println(grabServerToken + " does not equal " + Settings.GRAB_SERVER_TOKEN);
	    return;
	}
	boolean unknown7 = stream.readUnsignedByte() == 1;
	for (int index = 0; index < Cache.STORE.getIndexes().length; index++) {
	    if (Cache.STORE.getIndexes()[index] == null)
		continue;
	    int crc = Cache.STORE.getIndexes()[index].getCRC();
	    int receivedCRC = stream.readInt();
	    if (crc != receivedCRC && index < 30) { // outdated
		if (Settings.DEBUG)
		    Logger.log(this, "Invalid CRC at index: " + index + ", " + receivedCRC + ", " + crc);
		session.getLoginPackets().sendClosingPacket(6);
		return;
	    }
	}

	String MACAddress = "";// stream.readString();


	if (Utils.invalidAccountName(username) || username.startsWith("mod") || username.startsWith("m0d")
		|| username.startsWith("flavius") || username.equalsIgnoreCase("flavius")) {
	    session.getLoginPackets().sendClosingPacket(31);
	    return;
	}

	if (AntiFlood.getSessionsIP(session.getIP()) >= 3) {
	    session.getLoginPackets().sendClosingPacket(9);
	    return;
	}
	PlayerHandlerThread.addSession(session, isaacKeys, true, username, password, MACAddress, 0, 0, 0, null);
    }