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/*
* Copyright (C) 2012 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.
*/
/**
* Implements the message authentication algorithm described in RFC2104.
*
* It uses a hash function, which must be implemented as a hasher_t class.
*
* @defgroup hmac_mac mac
* @{ @ingroup hmac_p
*/
#ifndef HMAC_H_
#define HMAC_H_
#include <crypto/prfs/prf.h>
#include <crypto/signers/signer.h>
/**
* Creates a new prf_t object based on an HMAC.
*
* @param algo algorithm to implement
* @return prf_t object, NULL if not supported
*/
prf_t *hmac_prf_create(pseudo_random_function_t algo);
/**
* Creates a new signer_t object based on an HMAC.
*
* @param algo algorithm to implement
* @return signer_t, NULL if not supported
*/
signer_t *hmac_signer_create(integrity_algorithm_t algo);
#endif /** HMAC_H_ @}*/
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