lib/gnutls_hash_int.h

   1 /*
   2  * Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2008 Free Software Foundation
   3  *
   4  * Author: Nikos Mavrogiannopoulos
   5  *
   6  * This file is part of GNUTLS.
   7  *
   8  * The GNUTLS library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public License
  10  * as published by the Free Software Foundation; either version 2.1 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  21  * USA
  22  *
  23  */
  24
  25 #ifndef GNUTLS_HASH_INT_H
  26 # define GNUTLS_HASH_INT_H
  27
  28 #include <gnutls_int.h>
  29 #include <gnutls/crypto.h>
  30 #include <crypto.h>
  31
  32 /* for message digests */
  33
  34 typedef struct {
  35   gnutls_crypto_mac_st* cc;
  36   void* ctx;
  37 } digest_reg_hd;
  38
  39 typedef struct
  40 {
  41   int registered; /* true or false(0) */
  42   union {
  43     gc_hash_handle gc; /* when not registered */
  44     digest_reg_hd rh; /* when registered */
  45   } hd;
  46   gnutls_mac_algorithm_t algorithm;
  47   const void *key;
  48   int keysize;
  49 } digest_hd_st;
  50
  51 int _gnutls_hmac_init (digest_hd_st*, gnutls_mac_algorithm_t algorithm,
  52                             const void *key, int keylen);
  53 #define _gnutls_hmac_get_algo_len _gnutls_hash_get_algo_len
  54 #define _gnutls_hmac _gnutls_hash
  55 void _gnutls_hmac_deinit (digest_hd_st* handle, void *digest);
  56
  57 int _gnutls_mac_init_ssl3 (digest_hd_st*, gnutls_mac_algorithm_t algorithm, void *key,
  58                                 int keylen);
  59 void _gnutls_mac_deinit_ssl3 (digest_hd_st* handle, void *digest);
  60
  61 int _gnutls_hash_init (digest_hd_st*, gnutls_mac_algorithm_t algorithm);
  62 int _gnutls_hash_get_algo_len (gnutls_mac_algorithm_t algorithm);
  63 int _gnutls_hash (const digest_hd_st* handle, const void *text,
  64                   size_t textlen);
  65 void _gnutls_hash_deinit (digest_hd_st* handle, void *digest);
  66
  67 int _gnutls_ssl3_generate_random (void *secret, int secret_len,
  68                                   void *rnd, int random_len, int bytes,
  69                                   opaque * ret);
  70 int _gnutls_ssl3_hash_md5 (void *first, int first_len, void *second,
  71                            int second_len, int ret_len, opaque * ret);
  72
  73 void _gnutls_mac_deinit_ssl3_handshake (digest_hd_st* handle, void *digest,
  74                                         opaque * key, uint32_t key_size);
  75
  76 int _gnutls_hash_copy (digest_hd_st* dst_handle, digest_hd_st * src_handle);
  77
  78 #endif /* GNUTLS_HASH_INT_H */