#ifndef __MOBIUS_CRYPT_CIPHER_BLOCK_MODE_CBC_H__
#define __MOBIUS_CRYPT_CIPHER_BLOCK_MODE_CBC_H__

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
// Mobius Forensic Toolkit
// Copyright (C) 2008,2009,2010,2011,2012,2013,2014,2015,2016,2017 Eduardo Aguiar
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option) any later
// version.
//
// This program 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 General
// Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
#include <mobius/crypt/cipher_block_mode.h>

namespace mobius
{
namespace crypt
{
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief Cipher Block Chaining mode
//! \author Eduardo Aguiar
//! \see http://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Cipher_Block_Chaining_.28CBC.29
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
class cipher_block_mode_cbc : public cipher_block_mode
{
public:
  explicit cipher_block_mode_cbc (const mobius::bytearray&);
  virtual void encrypt (mobius::bytearray&) noexcept override;
  virtual void decrypt (mobius::bytearray&) noexcept override;
  virtual void reset () override
  {
    value_ = iv_;
  }

private:
  mobius::bytearray iv_;
  mobius::bytearray value_;
};

} // namespace crypt
} // namespace mobius

#endif
