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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_ @}*/