src/libstrongswan/plugins/aesni/aesni_cbc.h

   1 /*
   2  * Copyright (C) 2015 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 aesni_cbc aesni_cbc
  19  * @{ @ingroup aesni
  20  */
  21
  22 #ifndef AESNI_CBC_H_
  23 #define AESNI_CBC_H_
  24
  25 #include <library.h>
  26
  27 typedef struct aesni_cbc_t aesni_cbc_t;
  28
  29 /**
  30  * CBC mode crypter using AES-NI
  31  */
  32 struct aesni_cbc_t {
  33
  34         /**
  35          * Implements crypter interface
  36          */
  37         crypter_t crypter;
  38 };
  39
  40 /**
  41  * Create a aesni_cbc instance.
  42  *
  43  * @param algo                  encryption algorithm, AES_ENCR_CBC
  44  * @param key_size              AES key size, in bytes
  45  * @return                              AES-CBC crypter, NULL if not supported
  46  */
  47 aesni_cbc_t *aesni_cbc_create(encryption_algorithm_t algo, size_t key_size);
  48
  49 #endif /** AESNI_CBC_H_ @}*/