blockCipher.hpp

/*
  ANCH Framework: ANother C++ Hack is a C++ framework based on C++11 standard
  Copyright (C) 2012 Vincent Lachenal
 
  This file is part of ANCH Framework.
 
  ANCH Framework is free software: you can redistribute it and/or modify
  it under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
 
  ANCH Framework is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU Lesser General Public License for more details.
 
  You should have received a copy of the GNU Lesser General Public License
  along with ANCH Framework.  If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
 
#include <stdint.h>
#include <cstddef>
#include <array>
 
 
namespace anch {
  namespace crypto {

    extern const uint8_t ANCH_GALOIS_MULT2[256];

    extern const uint8_t ANCH_GALOIS_MULT3[256];

    extern const uint8_t ANCH_GALOIS_MULT9[256];

    extern const uint8_t ANCH_GALOIS_MULT11[256];

    extern const uint8_t ANCH_GALOIS_MULT13[256];

    extern const uint8_t ANCH_GALOIS_MULT14[256];

    template<std::size_t B>
    class BlockCipher {
 
      // Methods +
    public:
      virtual void cipher(const std::array<uint8_t,B>& input, std::array<uint8_t,B>& output) = 0;

      virtual void decipher(const std::array<uint8_t,B>& input, std::array<uint8_t,B>& output) = 0;

      constexpr inline static std::size_t getBlockSize() {
        return B;
      }
      // Methods -
 
    };
 
  }
}