src/libstrongswan/plugins/openssl/openssl_diffie_hellman.h

   1 /*
   2  * Copyright (C) 2008 Tobias Brunner
   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 openssl_diffie_hellman openssl_diffie_hellman
  18  * @{ @ingroup openssl_p
  19  */
  20
  21 #ifndef OPENSSL_DIFFIE_HELLMAN_H_
  22 #define OPENSSL_DIFFIE_HELLMAN_H_
  23
  24 typedef struct openssl_diffie_hellman_t openssl_diffie_hellman_t;
  25
  26 #include <library.h>
  27
  28 /**
  29  * Implementation of the Diffie-Hellman algorithm using OpenSSL.
  30  */
  31 struct openssl_diffie_hellman_t {
  32
  33         /**
  34          * Implements diffie_hellman_t interface.
  35          */
  36         diffie_hellman_t dh;
  37 };
  38
  39 /**
  40  * Creates a new openssl_diffie_hellman_t object.
  41  *
  42  * @param group                 Diffie Hellman group number to use
  43  * @param g                             custom generator, if MODP_CUSTOM
  44  * @param p                             custom prime, if MODP_CUSTOM
  45  * @return                              openssl_diffie_hellman_t object, NULL if not supported
  46  */
  47 openssl_diffie_hellman_t *openssl_diffie_hellman_create(
  48                                                         diffie_hellman_group_t group, chunk_t g, chunk_t p);
  49
  50 #endif /** OPENSSL_DIFFIE_HELLMAN_H_ @}*/
  51