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Annotation of embedaddon/strongswan/src/libstrongswan/plugins/openssl/openssl_hasher.h, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (C) 2008-2017 Tobias Brunner
                      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 openssl_hasher openssl_hasher
                     18:  * @{ @ingroup openssl_p
                     19:  */
                     20: 
                     21: #ifndef OPENSSL_HASHER_H_
                     22: #define OPENSSL_HASHER_H_
                     23: 
                     24: typedef struct openssl_hasher_t openssl_hasher_t;
                     25: 
                     26: #include <crypto/hashers/hasher.h>
                     27: 
                     28: #include <openssl/evp.h>
                     29: 
                     30: /**
                     31:  * Implementation of hashers using OpenSSL.
                     32:  */
                     33: struct openssl_hasher_t {
                     34: 
                     35:        /**
                     36:         * Implements hasher_t interface.
                     37:         */
                     38:        hasher_t hasher;
                     39: };
                     40: 
                     41: /**
                     42:  * Determine EVP_MD for the given hash algorithm
                     43:  *
                     44:  * @param hash                 hash algorithm
                     45:  * @return                             EVP_MD or NULL if not found/supported
                     46:  */
                     47: const EVP_MD *openssl_get_md(hash_algorithm_t hash);
                     48: 
                     49: /**
                     50:  * Constructor to create openssl_hasher_t.
                     51:  *
                     52:  * @param algo                 algorithm
                     53:  * @return                             openssl_hasher_t, NULL if not supported
                     54:  */
                     55: openssl_hasher_t *openssl_hasher_create(hash_algorithm_t algo);
                     56: 
                     57: #endif /** OPENSSL_HASHER_H_ @}*/