src/libstrongswan/plugins/sha1/sha1_prf.h

   1 /*
   2  * Copyright (C) 2008 Martin Willi
   3  * Hochschule fuer Technik Rapperswil
   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 sha1_prf sha1_prf
  18  * @{ @ingroup sha1_p
  19  */
  20
  21 #ifndef SHA1_PRF_H_
  22 #define SHA1_PRF_H_
  23
  24 typedef struct sha1_prf_t sha1_prf_t;
  25
  26 #include <crypto/prfs/prf.h>
  27
  28 /**
  29  * Implementation of prf_t interface using keyed SHA1 algorithm (used for EAP-AKA).
  30  */
  31 struct sha1_prf_t {
  32
  33         /**
  34          * Implements prf_t interface.
  35          */
  36         prf_t prf_interface;
  37 };
  38
  39 /**
  40  * Creates a new sha1_prf_t.
  41  *
  42  * @param algo          algorithm, must be PRF_KEYED_SHA1
  43  * @return                      sha1_keyed_prf_tobject
  44  */
  45 sha1_prf_t *sha1_prf_create(pseudo_random_function_t algo);
  46
  47 #endif /*SHA1_PRF_H_ @}*/