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/*
* Copyright (C) 2006-2008 Martin Willi
* 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 sha2_hasher sha2_hasher
* @{ @ingroup sha2_p
*/
#ifndef SHA2_HASHER_H_
#define SHA2_HASHER_H_
typedef struct sha2_hasher_t sha2_hasher_t;
#include <crypto/hashers/hasher.h>
/**
* Implementation of hasher_t interface using the SHA2 algorithms.
*
* SHA2 is an other name for the SHA-256, SHA-384 and SHA-512 variants of
* the SHA hash algorithm.
*/
struct sha2_hasher_t {
/**
* Generic hasher_t interface for this hasher.
*/
hasher_t hasher_interface;
};
/**
* Creates a new sha2_hasher_t.
*
* @param algorithm HASH_SHA256, HASH_SHA384 or HASH_SHA512
* @return sha2_hasher_t object, NULL if not supported
*/
sha2_hasher_t *sha2_hasher_create(hash_algorithm_t algorithm);
#endif /** SHA2_HASHER_H_ @}*/
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