/**
 * @file AESCrypt.hpp
 * @brief AESCrypt class header
 * @author manzerbredes
 * @date 8 Mars 2015
 *
 * Contain all prototypes of AESCrypt class.
 *
 */

//----- std -----
#include "AbstractSKA.hpp"
#include "HASHCrypt.hpp"
#include <iostream>

//----- crypto++ -----
#include <crypto++/aes.h>
#include <crypto++/modes.h>
#include <crypto++/filters.h>


/**
 * @class AESCrypt AESCrypt.hpp "/CryptClass/AESCrypt.hpp"
 * @brief Class  for Advanced Encryption Standard (AES) algorithm
 * @author manzerbredes
 *
 * This class provide AES encrypt and decrypt.
 *
 */

class AESCrypt : public AbstractSKA {


    public:
        AESCrypt();
        ~AESCrypt();


       /**
        * @brief Encrypt data with AES algorithm.
        *
        * @param key : key to encrypt data
        * @param data : contain data to encrypt.
        *
        * @return string : correspond to crypted data
        *
        * Encrypt data, and return them in a string.
        * Padding are blank space.
        *
        */
        virtual std::string encrypt(std::string key, std::string data);

        /**
        * @brief Decrypt data from AES algorithm.
        *
        * @param key : key used to encrypt data
        * @param data : contain data to decrypt from AES encrypt.
        *
        * @return string : correspond to decrypted data
        *
        * Decrypt data, and return them in a string.
        * Padding is not removed.
        *
        */
        virtual std::string decrypt(std::string key, std::string data);

    private:
        HASHCrypt hash; ///< hash instance to generate SHA-256 hash code.


};
