src/libstrongswan/plugins/random/random_plugin.h

   1 /*
   2  * Copyright (C) 2008 Martin Willi
   3  *
   4  * Copyright (C) secunet Security Networks AG
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation; either version 2 of the License, or (at your
   9  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * for more details.
  15  */
  16
  17 /**
  18  * @defgroup random_p random
  19  * @ingroup plugins
  20  *
  21  * @defgroup random_plugin random_plugin
  22  * @{ @ingroup random_p
  23  */
  24
  25 #ifndef RANDOM_PLUGIN_H_
  26 #define RANDOM_PLUGIN_H_
  27
  28 #include <plugins/plugin.h>
  29
  30 typedef struct random_plugin_t random_plugin_t;
  31
  32 /**
  33  * Plugin implementing a RNG reading from /dev/[u]random.
  34  */
  35 struct random_plugin_t {
  36
  37         /**
  38          * implements plugin interface
  39          */
  40         plugin_t plugin;
  41 };
  42
  43 /**
  44  * Get the /dev/random file descriptor
  45  */
  46 int random_plugin_get_dev_random();
  47
  48 /**
  49  * Get the /dev/urandom file descriptor
  50  */
  51 int random_plugin_get_dev_urandom();
  52
  53 /**
  54  * Must strong randomness be equivalent to true randomness?
  55  */
  56 bool random_plugin_get_strong_equals_true();
  57
  58 #endif /** RANDOM_PLUGIN_H_ @}*/