/*
* Copyright (C) 2008-2017 Tobias Brunner
* HSR Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
/**
* @defgroup openssl_hasher openssl_hasher
* @{ @ingroup openssl_p
*/
#ifndef OPENSSL_HASHER_H_
#define OPENSSL_HASHER_H_
typedef struct openssl_hasher_t openssl_hasher_t;
#include <crypto/hashers/hasher.h>
#include <openssl/evp.h>
/**
* Implementation of hashers using OpenSSL.
*/
struct openssl_hasher_t {
/**
* Implements hasher_t interface.
*/
hasher_t hasher;
};
/**
* Determine EVP_MD for the given hash algorithm
*
* @param hash hash algorithm
* @return EVP_MD or NULL if not found/supported
*/
const EVP_MD *openssl_get_md(hash_algorithm_t hash);
/**
* Constructor to create openssl_hasher_t.
*
* @param algo algorithm
* @return openssl_hasher_t, NULL if not supported
*/
openssl_hasher_t *openssl_hasher_create(hash_algorithm_t algo);
#endif /** OPENSSL_HASHER_H_ @}*/
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