src/libimcv/tcg/pts/pts_meas_algo.h

   1 /*
   2  * Copyright (C) 2011 Sansar Choinyambuu
   3  * HSR 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 pts_meas_algo pts_meas_algo
  18  * @{ @ingroup pts
  19  */
  20
  21 #ifndef PTS_MEAS_ALGO_H_
  22 #define PTS_MEAS_ALGO_H_
  23
  24 #include <library.h>
  25 #include <crypto/hashers/hasher.h>
  26
  27 typedef enum pts_meas_algorithms_t pts_meas_algorithms_t;
  28
  29 /**
  30  * PTS Measurement Algorithms
  31  */
  32 enum pts_meas_algorithms_t {
  33         PTS_MEAS_ALGO_SHA1 =    (1<<15),
  34         PTS_MEAS_ALGO_SHA256 =  (1<<14),
  35         PTS_MEAS_ALGO_SHA384 =  (1<<13),
  36 };
  37
  38 /**
  39  * Diffie-Hellman Hash Algorithm Values
  40  * see section 3.8.5 of PTS Protocol: Binding to TNC IF-M Specification
  41  *
  42  *                       1
  43  *   0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
  44  *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  45  *  |1|2|3|R|R|R|R|R|R|R|R|R|R|R|R|R|
  46  *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  47  *
  48  */
  49
  50 /**
  51  * Probe available PTS measurement algorithms
  52  *
  53  * @param algorithms    set of available algorithms
  54  * @return                              TRUE if mandatory algorithms are available
  55  */
  56 bool pts_meas_probe_algorithms(pts_meas_algorithms_t *algorithms);
  57
  58 /**
  59  * Convert pts_meas_algorithms_t to hash_algorithm_t
  60  *
  61  * @param algorithm             PTS measurement algorithm type
  62  * @return                              libstrongswan hash algorithm type
  63  */
  64 hash_algorithm_t pts_meas_to_hash_algorithm(pts_meas_algorithms_t algorithm);
  65
  66 #endif /** PTS_MEAS_ALGO_H_ @}*/