src/libstrongswan/plugins/rc2/rc2_crypter.h

   1 /*
   2  * Copyright (C) 2013 Tobias Brunner
   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 rc2_crypter rc2_crypter
  19  * @{ @ingroup rc2_p
  20  */
  21
  22 #ifndef RC2_CRYPTER_H_
  23 #define RC2_CRYPTER_H_
  24
  25 typedef struct rc2_crypter_t rc2_crypter_t;
  26
  27 #include <crypto/crypters/crypter.h>
  28
  29 /**
  30  * Class implementing the RC2 block cipher as defined in RFC 2268.
  31  */
  32 struct rc2_crypter_t {
  33
  34         /**
  35          * Implements crypter_t interface.
  36          */
  37         crypter_t crypter;
  38 };
  39
  40 /**
  41  * Constructor to create rc2_crypter_t objects.
  42  *
  43  * @param algo                  algorithm to implement (ENCR_RC2_CBC)
  44  * @param key_size              use the RC2_KEY_SIZE macro if the effective key size
  45  *                                              in bits is different than the actual length of the key
  46  * @return                              rc2_crypter_t object, NULL if not supported
  47  */
  48 rc2_crypter_t *rc2_crypter_create(encryption_algorithm_t algo,
  49                                                                   size_t key_size);
  50
  51 #endif /** RC2_CRYPTER_H_ @}*/