/usr/include/beecrypt/dhies.h is in libbeecrypt-dev 4.2.1-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2000, 2001, 2002, 2005 X-Way Rights BV
*
* 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
*
*/
/*!\file dhies.h
* \brief DHIES (formerly known as DHAES or DHES) encryption scheme.
*
* This code implements the encryption scheme from the paper:
*
* "DHIES: An Encryption Scheme Based on the Diffie-Hellman Problem"
* Michel Abdalla, Mihir Bellare, Phillip Rogaway
* September 18, 2001
*
* \author Bob Deblier <bob.deblier@telenet.be>
* \ingroup DL_m DL_dh_m
*/
#ifndef _DHIES_H
#define _DHIES_H
#include "beecrypt/beecrypt.h"
#include "beecrypt/dldp.h"
#ifdef __cplusplus
struct BEECRYPTAPI dhies_pParameters
#else
struct _dhies_pParameters
#endif
{
const dldp_p* param;
const hashFunction* hash;
const blockCipher* cipher;
const keyedHashFunction* mac;
size_t cipherkeybits;
size_t mackeybits;
};
#ifndef __cplusplus
typedef struct _dhies_pParameters dhies_pParameters;
#endif
#ifdef __cplusplus
struct BEECRYPTAPI dhies_pContext
#else
struct _dhies_pContext
#endif
{
dldp_p param;
mpnumber pub;
mpnumber pri;
hashFunctionContext hash;
blockCipherContext cipher;
keyedHashFunctionContext mac;
size_t cipherkeybits;
size_t mackeybits;
};
#ifndef __cplusplus
typedef struct _dhies_pContext dhies_pContext;
#endif
#ifdef __cplusplus
extern "C" {
#endif
BEECRYPTAPI
int dhies_pUsable(const dhies_pParameters*);
BEECRYPTAPI
int dhies_pContextInit (dhies_pContext*, const dhies_pParameters*);
BEECRYPTAPI
int dhies_pContextInitDecrypt(dhies_pContext*, const dhies_pParameters*, const mpnumber*);
BEECRYPTAPI
int dhies_pContextInitEncrypt(dhies_pContext*, const dhies_pParameters*, const mpnumber*);
BEECRYPTAPI
int dhies_pContextFree (dhies_pContext*);
BEECRYPTAPI
memchunk* dhies_pContextEncrypt(dhies_pContext*, mpnumber*, mpnumber*, const memchunk*, randomGeneratorContext*);
BEECRYPTAPI
memchunk* dhies_pContextDecrypt(dhies_pContext*, const mpnumber*, const mpnumber*, const memchunk*);
#ifdef __cplusplus
}
#endif
#endif
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