cipher.h

/***************************************************************************
*   Copyright (C) 2005 by                                                 *
*   Pedro J. Fernandez Ruiz    pedroj.fernandez@dif.um.es                 *
*   Alejandro Perez Mendez     alejandro_perez@dif.um.es                  *
*                                                                         *
*   This library 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 2.1 of the License, or (at your option) any later version.    *
*                                                                         *
*   This library 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 this library; if not, write to the Free Software   *
*   Foundation, Inc., 51 Franklin St, Fifth Floor,                        *
*   Boston, MA  02110-1301  USA                                           *
***************************************************************************/
#ifndef CIPHER_H
#define CIPHER_H

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <stdint.h>

#include "bytearray.h"

namespace openikev2 {

    class Cipher {

            /****************************** ATTRIBUTES ******************************/
        public:
            uint32_t encr_block_size;       
            uint32_t integ_hash_size;       
            /****************************** METHODS ******************************/
        public:

            virtual auto_ptr<ByteArray> encrypt( ByteArray& plain_text, ByteArray& initialization_vector ) = 0;

            virtual auto_ptr<ByteArray> decrypt( ByteArray& cipher_text, ByteArray& initialization_vector ) = 0;

            virtual auto_ptr<ByteArray> computeIntegrity( ByteArray& data_buffer ) = 0;

            virtual auto_ptr<ByteArray> hmac( ByteArray& data_buffer, ByteArray& hmac_key ) = 0;

            virtual ~Cipher();
    };
};
#endif

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