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/*
* Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2008 Free Software Foundation, Inc.
*
* Author: Nikos Mavrogiannopoulos
*
* This file is part of GNUTLS.
*
* The GNUTLS 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 Street, Fifth Floor, Boston, MA 02110-1301,
* USA
*
*/
#ifndef GNUTLS_HASH_INT_H
# define GNUTLS_HASH_INT_H
#include <gnutls_int.h>
#include <gnutls/crypto.h>
#include <crypto.h>
/* for message digests */
extern int crypto_mac_prio;
extern gnutls_crypto_mac_st _gnutls_mac_ops;
extern int crypto_digest_prio;
extern gnutls_crypto_digest_st _gnutls_digest_ops;
typedef struct {
const gnutls_crypto_mac_st* cc;
void* ctx;
} digest_reg_hd;
typedef struct
{
int registered; /* true or false(0) */
union {
void* gc; /* when not registered */
digest_reg_hd rh; /* when registered */
} hd;
gnutls_mac_algorithm_t algorithm;
const void *key;
int keysize;
int active;
} digest_hd_st;
/* basic functions */
int _gnutls_hmac_init (digest_hd_st*, gnutls_mac_algorithm_t algorithm,
const void *key, int keylen);
int _gnutls_hmac_get_algo_len (gnutls_mac_algorithm_t algorithm);
int _gnutls_hmac (digest_hd_st* handle, const void *text,
size_t textlen);
int _gnutls_hmac_fast( gnutls_mac_algorithm_t algorithm, const void* key, int keylen,
const void* text, size_t textlen, void* digest);
void _gnutls_hmac_deinit (digest_hd_st* handle, void *digest);
void _gnutls_hmac_output (digest_hd_st* handle, void *digest);
int _gnutls_hash_init (digest_hd_st*, gnutls_digest_algorithm_t algorithm);
int _gnutls_hash_get_algo_len (gnutls_digest_algorithm_t algorithm);
int _gnutls_hash (digest_hd_st* handle, const void *text,
size_t textlen);
void _gnutls_hash_deinit (digest_hd_st* handle, void *digest);
void _gnutls_hash_output (digest_hd_st* handle, void *digest);
int
_gnutls_hash_fast (gnutls_digest_algorithm_t algorithm,
const void *text, size_t textlen, void *digest);
/* help functions */
int _gnutls_mac_init_ssl3 (digest_hd_st*, gnutls_mac_algorithm_t algorithm, void *key,
int keylen);
void _gnutls_mac_deinit_ssl3 (digest_hd_st* handle, void *digest);
int _gnutls_ssl3_generate_random (void *secret, int secret_len,
void *rnd, int random_len, int bytes,
opaque * ret);
int _gnutls_ssl3_hash_md5 (const void *first, int first_len,
const void *second, int second_len,
int ret_len, opaque * ret);
void _gnutls_mac_deinit_ssl3_handshake (digest_hd_st* handle, void *digest,
opaque * key, uint32_t key_size);
int _gnutls_hash_copy (digest_hd_st* dst_handle, digest_hd_st * src_handle);
#endif /* GNUTLS_HASH_INT_H */
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