//server sends to proxy
	public ByteBuffer decryptServerGame(ByteBuffer packet, boolean first) {

		try {

			if(first) { // first packet, server sends to proxy
				Cipher cii = Cipher.getInstance("Blowfish/CFB64/NoPadding");
				Key key = new SecretKeySpec(STATIC_KEY.getBytes("ASCII"), "Blowfish");
				cii.init(Cipher.DECRYPT_MODE, key, new IvParameterSpec("        ".getBytes()));
				ByteBuffer bb = ByteBuffer.wrap(cii.doFinal(packet.array())).order(ByteOrder.LITTLE_ENDIAN);

				int len = bb.getInt(11);
				int junkLen = bb.getInt(15);
				int index = 19 + junkLen;
				byte[] serverIV = new byte[bb.getInt(index)];
				index+=4;
				System.arraycopy(bb.array(), index, serverIV, 0, serverIV.length);
				index+=serverIV.length;
				byte[] clientIV = new byte[bb.getInt(index)];
				index+=4;
				System.arraycopy(bb.array(), index, clientIV, 0, clientIV.length);
				index+=clientIV.length;
				int strLen = bb.getInt(index);
				index+=4;
				String p = new String(bb.array(), index, strLen);
				index+=strLen;
				strLen = bb.getInt(index);
				index+=4;
				String g = new String(bb.array(), index, strLen);
				index+=strLen;
				strLen = bb.getInt(index);
				index+=4;
				String pubKey = new String(bb.array(), index, strLen);

				exchange.serverPubKey= new BigInteger(pubKey, 16);
				exchange.serverIV = serverIV;
				exchange.clientIV = clientIV;
				exchange.p512 = new BigInteger(p, 16);
				exchange.g512 = new BigInteger(g, 16);
				System.out.println("Client IV Len: " + clientIV.length);
				System.out.println("Server IV Len: " + serverIV.length);
				System.out.println("Key Len: " + pubKey.length());

				bb.put(exchange.clientKeyPair.getPublic().getEncoded(), index, exchange.clientKeyPair.getPublic().getEncoded().length);


				cii.init(Cipher.ENCRYPT_MODE, key);
				return ByteBuffer.wrap(cii.doFinal(bb.array())); // encrypt it and send it back.

			} else {

			}


		} catch(Exception e) {
			e.printStackTrace();
		}
		return packet;

	}

	// client sends to proxy
	public ByteBuffer decryptClientGame(ByteBuffer packet, boolean first) {
		try {


			if(first) { // first packet, client sends to proxy.
				Cipher cii = Cipher.getInstance("Blowfish/CFB64/NoPadding");
				Key key = new SecretKeySpec(STATIC_KEY.getBytes("ASCII"), "Blowfish");
				cii.init(Cipher.DECRYPT_MODE, key, new IvParameterSpec("     ".getBytes()));
				ByteBuffer bb = ByteBuffer.wrap(cii.doFinal(packet.array())).order(ByteOrder.LITTLE_ENDIAN);
				int len = bb.getInt(7);
				int junkLen = bb.getInt(11);
				int index = 15 + junkLen;
				int strLen = bb.getInt(index);
				index+=4;
				String p = new String(bb.array(), index, strLen);
				exchange.clientPubKey= new BigInteger(p, 16);
				System.out.println("Client Key len: " + p.length());


				KeyPairGenerator keyGen = KeyPairGenerator.getInstance("DH");

				DHParameterSpec dhSpec = new DHParameterSpec(exchange.p512, exchange.g512);

				keyGen.initialize(dhSpec, new SecureRandom());

				KeyAgreement serverKeyAgree = KeyAgreement.getInstance("DH");
				KeyAgreement clientKeyAgree = KeyAgreement.getInstance("DH");

				keyGen = KeyPairGenerator.getInstance("DH"); // new instance, just incase.

				exchange.serverKeyPair = keyGen.generateKeyPair();
				exchange.clientKeyPair = keyGen.generateKeyPair();


				KeyFactory k = KeyFactory.getInstance("DH");
				serverKeyAgree.init(exchange.serverKeyPair.getPrivate());
				clientKeyAgree.init(exchange.clientKeyPair.getPrivate());

				serverKeyAgree.doPhase(new SecretKeySpec(exchange.serverPubKey.toByteArray(), "DH"), true);
				clientKeyAgree.doPhase(new SecretKeySpec(exchange.clientPubKey.toByteArray(), "DH"), true);
				exchange.serverSecretKey = serverKeyAgree.generateSecret("DH");
				exchange.clientSecretKey = clientKeyAgree.generateSecret("DH");

				// replacing the key in the packet, with the new one.
				bb.put(exchange.serverKeyPair.getPublic().getEncoded(), index, exchange.serverKeyPair.getPublic().getEncoded().length);



				cii.init(Cipher.ENCRYPT_MODE, key);
				return ByteBuffer.wrap(cii.doFinal(bb.array()));

			} else {

			}


		} catch(Exception e) {
			e.printStackTrace();
		}
		return packet;
	}