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Annotation of embedaddon/strongswan/src/libstrongswan/plugins/gcrypt/gcrypt_dh.h, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (C) 2009 Martin Willi
                      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 gcrypt_dh gcrypt_dh
                     18:  * @{ @ingroup gcrypt_p
                     19:  */
                     20: 
                     21: #ifndef GCRYPT_DH_H_
                     22: #define GCRYPT_DH_H_
                     23: 
                     24: typedef struct gcrypt_dh_t gcrypt_dh_t;
                     25: 
                     26: #include <library.h>
                     27: 
                     28: /**
                     29:  * Implementation of the Diffie-Hellman algorithm using libgcrypt mpi.
                     30:  */
                     31: struct gcrypt_dh_t {
                     32: 
                     33:        /**
                     34:         * Implements diffie_hellman_t interface.
                     35:         */
                     36:        diffie_hellman_t dh;
                     37: };
                     38: 
                     39: /**
                     40:  * Creates a new gcrypt_dh_t object.
                     41:  *
                     42:  * @param group                        Diffie Hellman group number to use
                     43:  * @return                             gcrypt_dh_t object, NULL if not supported
                     44:  */
                     45: gcrypt_dh_t *gcrypt_dh_create(diffie_hellman_group_t group);
                     46: 
                     47: /**
                     48:  * Creates a new gcrypt_dh_t object for MODP_CUSTOM.
                     49:  *
                     50:  * @param group                        MODP_CUSTOM
                     51:  * @param ...                  expects generator and prime as chunk_t
                     52:  * @return                             gcrypt_dh_t object, NULL if not supported
                     53:  */
                     54: gcrypt_dh_t *gcrypt_dh_create_custom(diffie_hellman_group_t group, ...);
                     55: 
                     56: #endif /** GCRYPT_DH_H_ @}*/
                     57: