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/*
* Copyright (C) 2015 Tobias Brunner
* 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 hash_algorithm_set hash_algorithm_set
* @{ @ingroup crypto
*/
#ifndef HASH_ALGORITHM_SET_H_
#define HASH_ALGORITHM_SET_H_
typedef struct hash_algorithm_set_t hash_algorithm_set_t;
#include <library.h>
#include <crypto/hashers/hasher.h>
/**
* A set of hash algorithms
*/
struct hash_algorithm_set_t {
/**
* Add the given algorithm to the set.
*
* @param alg hash algorithm
*/
void (*add)(hash_algorithm_set_t *this, hash_algorithm_t alg);
/**
* Check if the given algorithm is contained in the set.
*
* @param alg hash algorithm
* @return TRUE if contained in set
*/
bool (*contains)(hash_algorithm_set_t *this, hash_algorithm_t alg);
/**
* Number of hash algorithms contained in the set.
*
* @return number of algorithms
*/
int (*count)(hash_algorithm_set_t *this);
/**
* Enumerate the algorithms contained in the set.
*
* @return enumerator over hash_algorithm_t (sorted by identifier)
*/
enumerator_t *(*create_enumerator)(hash_algorithm_set_t *this);
/**
* Destroy a hash_algorithm_set_t instance
*/
void (*destroy)(hash_algorithm_set_t *this);
};
/**
* Create a set of hash algorithms.
*
* @return hash_algorithm_set_t instance
*/
hash_algorithm_set_t *hash_algorithm_set_create();
#endif /** HASH_ALGORITHM_SET_H_ @}*/
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