[c++] Help with Proxy

//[C++]
class AuthProtocolCryptographer
{
public:
	class CryptCounter
	{
	private:
		unsigned short m_Counter;

	public:
		unsigned char getKey2()
		{
			return static_cast<unsigned char>(m_Counter >> 8);
		}

		unsigned char getKey1()
		{
			return static_cast<unsigned char>(m_Counter & 0xFF);
		}

		void Increment()
		{
			m_Counter+=1;
		}
	};

private:
	CryptCounter *_decryptCounter;
	CryptCounter *_encryptCounter;
	unsigned char *_cryptKey1;
       	unsigned char *_cryptKey2;

public:
	AuthProtocolCryptographer()
	{
		_decryptCounter = new CryptCounter();
		_encryptCounter = new CryptCounter();
		_cryptKey1 = new unsigned char[256];
		_cryptKey2 = new unsigned char[256];
		unsigned char i_key1 = 0x9D;
		unsigned char i_key2 = 0x62;
		for (int i = 0; i <= 0x100; i++)
		{
			_cryptKey1[i] = i_key1;
			_cryptKey2[i] = i_key2;
			i_key1 = static_cast<unsigned char>((0xF + static_cast<unsigned char>(i_key1 * 0XFA)) * i_key1 + 0X13);
			i_key2 = static_cast<unsigned char>((0x79 - static_cast<unsigned char>(i_key2 * 0X5C)) * i_key2 + 0X6D);
		}
	}

	void EncryptClientPackets(byte buffer[], int len)
	{
		for (int i = 0; i < len; i++)
		{
			buffer[i] = buffer[i] ^ static_cast<unsigned char>(_cryptKey1[_encryptCounter->getKey1()] ^ _cryptKey2[_encryptCounter->getKey2()]);
			buffer[i] = static_cast<unsigned char>(buffer[i] >> 4 | buffer[i] << 4);
			buffer[i] = buffer[i] ^ static_cast<unsigned char>(0xAB);
			_encryptCounter->Increment();
		}
	}

        void EncryptServerPackets(byte buffer[], int len)
	{
		for (int i = 0; i < len; i++)
		{
			buffer[i] = buffer[i] ^ static_cast<unsigned char>(0xAB);
			buffer[i] = static_cast<unsigned char>(buffer[i] >> 4 | buffer[i] << 4);
			buffer[i] = buffer[i] ^ static_cast<unsigned char>(_cryptKey2[_decryptCounter->getKey2()] ^ _cryptKey1[_decryptCounter->getKey1()]);
			_encryptCounter->Increment();
		}
	}
	void DecryptClientPackets(byte buffer[],int len)
	{
		for (int i = 0; i < len; i++)
		{
			buffer[i] = buffer[i] ^ static_cast<unsigned char>(0xAB);
			buffer[i] = static_cast<unsigned char>(buffer[i] >> 4 | buffer[i] << 4);
			buffer[i] = buffer[i] ^ static_cast<unsigned char>(_cryptKey2[_decryptCounter->getKey2()] ^ _cryptKey1[_decryptCounter->getKey1()]);
			_decryptCounter->Increment();
		}
	}
        void DecryptServertPackets(byte buffer[],int len)
	{
		for (int i = 0; i < len; i++)
		{
			buffer[i] = buffer[i] ^ static_cast<unsigned char>(_cryptKey1[_encryptCounter->getKey1()] ^ _cryptKey2[_encryptCounter->getKey2()]);
			buffer[i] = static_cast<unsigned char>(buffer[i] >> 4 | buffer[i] << 4);
			buffer[i] = buffer[i] ^ static_cast<unsigned char>(0xAB);
                        _decryptCounter->Increment();
		}
	}
};