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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_ @}*/