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/*
* dhaes.h
*
* DHAES, header
*
* Copyright (c) 2000, 2001 Virtual Unlimited, B.V.
*
* Author: Bob Deblier <bob@virtualunlimited.com>
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef _DHAES_H
#define _DHAES_H
#include "beecrypt.h"
#include "dldp.h"
typedef struct
{
const dldp_p* param;
const hashFunction* hash;
const blockCipher* cipher;
const keyedHashFunction* mac;
int cipherkeybits;
int mackeybits;
} dhaes_pParameters;
typedef struct
{
dldp_p param;
mp32number pub;
mp32number pri;
hashFunctionContext hash;
blockCipherContext cipher;
keyedHashFunctionContext mac;
int cipherkeybits;
int mackeybits;
} dhaes_pContext;
#ifdef __cplusplus
extern "C" {
#endif
BEECRYPTAPI
int dhaes_pUsable(const dhaes_pParameters*);
BEECRYPTAPI
int dhaes_pContextInit (dhaes_pContext*, const dhaes_pParameters*);
BEECRYPTAPI
int dhaes_pContextInitDecrypt(dhaes_pContext*, const dhaes_pParameters*, const mp32number*);
BEECRYPTAPI
int dhaes_pContextInitEncrypt(dhaes_pContext*, const dhaes_pParameters*, const mp32number*);
BEECRYPTAPI
int dhaes_pContextFree (dhaes_pContext*);
BEECRYPTAPI
memchunk* dhaes_pContextEncrypt(dhaes_pContext*, mp32number*, mp32number*, const memchunk*, randomGeneratorContext*);
BEECRYPTAPI
memchunk* dhaes_pContextDecrypt(dhaes_pContext*, const mp32number*, const mp32number*, const memchunk*);
#ifdef __cplusplus
}
#endif
#endif
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