src/libstrongswan/plugins/af_alg/af_alg_crypter.h

   1 /*
   2  * Copyright (C) 2010 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 af_alg_crypter af_alg_crypter
  19  * @{ @ingroup af_alg
  20  */
  21
  22 #ifndef AF_ALG_CRYPTER_H_
  23 #define AF_ALG_CRYPTER_H_
  24
  25 typedef struct af_alg_crypter_t af_alg_crypter_t;
  26
  27 #include <plugins/plugin.h>
  28 #include <crypto/crypters/crypter.h>
  29
  30 /** Number of crypters */
  31 #define AF_ALG_CRYPTER 28
  32
  33 /**
  34  * Implementation of signers using AF_ALG.
  35  */
  36 struct af_alg_crypter_t {
  37
  38         /**
  39          * The crypter_t interface.
  40          */
  41         crypter_t crypter;
  42 };
  43
  44 /**
  45  * Constructor to create af_alg_crypter_t.
  46  *
  47  * @param algo                  algorithm to implement
  48  * @param key_size              key size in bytes
  49  * @return                              af_alg_crypter_t, NULL if not supported
  50  */
  51 af_alg_crypter_t *af_alg_crypter_create(encryption_algorithm_t algo,
  52                                                                                 size_t key_size);
  53
  54 /**
  55  * Probe algorithms and return plugin features.
  56  *
  57  * @param features              plugin features to create
  58  * @param pos                   current position in features
  59  */
  60 void af_alg_crypter_probe(plugin_feature_t *features, int *pos);
  61
  62 #endif /** AF_ALG_CRYPTER_H_ @}*/