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/*
* Copyright (C) 2015 Dejan Muhamedagic <dejan@hello-penguin.com>
*
* 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 software 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.
*/
#include "b_config.h"
#include "log.h"
#include <sys/types.h>
#if HAVE_LIBGNUTLS
#include <gnutls/gnutls.h>
#include <gnutls/crypto.h>
/*
* We need to stay backwards compatible. Both gcrypt and mhash defines
* SHA1 algorithm as 2. but GNUTLS_MAC_SHA1 is defined as 3, so hardcode
* 2 here and use correct value in auth.c
*/
#define BOOTH_COMPAT_MHASH_SHA1 2
#define BOOTH_HASH BOOTH_COMPAT_MHASH_SHA1
int calc_hmac(const void *data, size_t datalen,
int hid, unsigned char *result, char *key, unsigned int keylen);
int verify_hmac(const void *data, size_t datalen,
int hid, unsigned char *hmac, char *key, int keylen);
#endif
#if HAVE_LIBGCRYPT
#include <gcrypt.h>
#define BOOTH_HASH GCRY_MD_SHA1
int calc_hmac(const void *data, size_t datalen,
int hid, unsigned char *result, char *key, unsigned int keylen);
int verify_hmac(const void *data, size_t datalen,
int hid, unsigned char *hmac, char *key, int keylen);
#endif
#if HAVE_LIBMHASH
#include <mhash.h>
#define BOOTH_HASH MHASH_SHA1
int calc_hmac(const void *data, size_t datalen,
hashid hid, unsigned char *result, char *key, int keylen);
int verify_hmac(const void *data, size_t datalen,
hashid hid, unsigned char *hmac, char *key, int keylen);
#endif

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