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/*
* Copyright (C) 2008 Martin Willi
* Copyright (C) 2005 Jan Hutter
* 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 hmac_prf hmac_prf
* @{ @ingroup hmac_p
*/
#ifndef PRF_HMAC_H_
#define PRF_HMAC_H_
typedef struct hmac_prf_t hmac_prf_t;
#include <crypto/prfs/prf.h>
/**
* Implementation of prf_t interface using the HMAC algorithm.
*
* This simply wraps a hmac_t in a prf_t. More a question of
* interface matching.
*/
struct hmac_prf_t {
/**
* Generic prf_t interface for this hmac_prf_t class.
*/
prf_t prf_interface;
};
/**
* Creates a new hmac_prf_t object.
*
* @param algo algorithm to implement
* @return hmac_prf_t object, NULL if hash not supported
*/
hmac_prf_t *hmac_prf_create(pseudo_random_function_t algo);
#endif /*PRF_HMAC_SHA1_H_ @}*/
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