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crypto_module.hpp
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/*********************************************************************/
// dar - disk archive - a backup/restoration program
// Copyright (C) 2002-2025 Denis Corbin
//
// 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
// of the License, 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, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// to contact the author, see the AUTHOR file
/*********************************************************************/
#ifndef CRYPTO_MODULE_HPP
#define CRYPTO_MODULE_HPP
#include "../my_config.h"
#include <string>
#include <memory>
#include "infinint.hpp"
#include "integers.hpp"
namespace libdar
{
class crypto_module
{
public:
crypto_module() {};
crypto_module(const crypto_module & ref) = default;
crypto_module(crypto_module && ref) noexcept = default;
crypto_module & operator = (const crypto_module & ref) = default;
crypto_module & operator = (crypto_module && ref) noexcept = default;
virtual ~crypto_module() noexcept = default;
virtual U_32 encrypted_block_size_for(U_32 clear_block_size) = 0;
virtual U_32 clear_block_allocated_size_for(U_32 clear_block_size) = 0;
virtual U_32 encrypt_data(const infinint & block_num,
const char *clear_buf,
const U_32 clear_size,
const U_32 clear_allocated,
char *crypt_buf,
U_32 crypt_size) = 0;
virtual U_32 decrypt_data(const infinint & block_num,
const char *crypt_buf,
const U_32 crypt_size,
char *clear_buf,
U_32 clear_size) = 0;
virtual std::unique_ptr<crypto_module> clone() const = 0;
};
} // end of namespace
#endif
infinint.hpp
switch module to limitint (32 ou 64 bits integers) or infinint
integers.hpp
are defined here basic integer types that tend to be portable
my_config.h
include macro defined by the configure script and some specific additional ones
libdar
libdar namespace encapsulate all libdar symbols
Definition archive.hpp:47