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Annotation of embedaddon/strongswan/src/libstrongswan/plugins/sha2/sha2_hasher.h, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (C) 2006-2008 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 sha2_hasher sha2_hasher
                     18:  * @{ @ingroup sha2_p
                     19:  */
                     20: 
                     21: #ifndef SHA2_HASHER_H_
                     22: #define SHA2_HASHER_H_
                     23: 
                     24: typedef struct sha2_hasher_t sha2_hasher_t;
                     25: 
                     26: #include <crypto/hashers/hasher.h>
                     27: 
                     28: /**
                     29:  * Implementation of hasher_t interface using the SHA2 algorithms.
                     30:  *
                     31:  * SHA2 is an other name for the SHA-256, SHA-384 and SHA-512 variants of
                     32:  * the SHA hash algorithm.
                     33:  */
                     34: struct sha2_hasher_t {
                     35: 
                     36:        /**
                     37:         * Generic hasher_t interface for this hasher.
                     38:         */
                     39:        hasher_t hasher_interface;
                     40: };
                     41: 
                     42: /**
                     43:  * Creates a new sha2_hasher_t.
                     44:  *
                     45:  * @param      algorithm       HASH_SHA256, HASH_SHA384 or HASH_SHA512
                     46:  * @return                             sha2_hasher_t object, NULL if not supported
                     47:  */
                     48: sha2_hasher_t *sha2_hasher_create(hash_algorithm_t algorithm);
                     49: 
                     50: #endif /** SHA2_HASHER_H_ @}*/