pseudorandomfunction.h

/***************************************************************************
 *   Copyright (C) 2005 by                                                 *
 *   Alejandro Perez Mendez     alejandro_perez@dif.um.es                  *
 *   Pedro J. Fernandez Ruiz    pedroj.fernandez@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 OPENIKEV2PSEUDORANDOMFUNCTION_H
#define OPENIKEV2PSEUDORANDOMFUNCTION_H

#include <stdint.h>

#include "enums.h"
#include "bytearray.h"

namespace openikev2 {

    class PseudoRandomFunction {
    
        /****************************** ATTRIBUTES ******************************/
public:
        uint32_t prf_size;              
        /****************************** ATTRIBUTES ******************************/
public:
        virtual auto_ptr<ByteArray> prf(ByteArray& key, ByteArray& data)=0;
        
        virtual auto_ptr<ByteArray> prfPlus(ByteArray& key, ByteArray& sequence, uint32_t needed_size);
        
        virtual ~PseudoRandomFunction();
    };
}

#endif

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