src/libstrongswan/plugins/af_alg/af_alg_prf.h

   1 /*
   2  * Copyright (C) 2010 Martin Willi
   3  * Copyright (C) 2010 revosec AG
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License as published by the
   7  * Free Software Foundation; either version 2 of the License, or (at your
   8  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  12  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * for more details.
  14  */
  15
  16 /**
  17  * @defgroup af_alg_prf af_alg_prf
  18  * @{ @ingroup af_alg
  19  */
  20
  21 #ifndef AF_ALG_PRF_H_
  22 #define AF_ALG_PRF_H_
  23
  24 typedef struct af_alg_prf_t af_alg_prf_t;
  25
  26 #include <plugins/plugin.h>
  27 #include <crypto/prfs/prf.h>
  28
  29 /** Number of PRFs */
  30 #define AF_ALG_PRF 7
  31
  32 /**
  33  * Implementation of PRFs using AF_ALG.
  34  */
  35 struct af_alg_prf_t {
  36
  37         /**
  38          * Implements prf_t interface.
  39          */
  40         prf_t prf;
  41 };
  42
  43 /**
  44  * Creates a new af_alg_prf_t object.
  45  *
  46  * @param algo          algorithm to implement
  47  * @return                      af_alg_prf_t object, NULL if hash not supported
  48  */
  49 af_alg_prf_t *af_alg_prf_create(pseudo_random_function_t algo);
  50
  51 /**
  52  * Probe algorithms and return plugin features.
  53  *
  54  * @param features              plugin features to create
  55  * @param pos                   current position in features
  56  */
  57 void af_alg_prf_probe(plugin_feature_t *features, int *pos);
  58
  59 #endif /** AF_ALG_PRF_H_ @}*/