lib/random.h

   1 /*
   2  * Copyright (C) 2008-2012 Free Software Foundation, Inc.
   3  *
   4  * Author: Nikos Mavrogiannopoulos
   5  *
   6  * This file is part of GnuTLS.
   7  *
   8  * The GnuTLS 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 3 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 License
  19  * along with this program.  If not, see <http://www.gnu.org/licenses/>
  20  *
  21  */
  22
  23 #ifndef RANDOM_H
  24 #define RANDOM_H
  25
  26 #include <gnutls/crypto.h>
  27 #include <crypto-backend.h>
  28
  29 extern int crypto_rnd_prio;
  30 extern void* gnutls_rnd_ctx;
  31 extern gnutls_crypto_rnd_st _gnutls_rnd_ops;
  32
  33 inline static int
  34 _gnutls_rnd (gnutls_rnd_level_t level, void *data, size_t len)
  35 {
  36   if (len > 0)
  37     {
  38       return _gnutls_rnd_ops.rnd (gnutls_rnd_ctx, level, data, len);
  39     }
  40   return 0;
  41 }
  42
  43 void _gnutls_rnd_deinit (void);
  44 int _gnutls_rnd_init (void);
  45
  46 #endif