62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
/**
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* @file hmac_prf.h
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*
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* @brief Interface for hmac_prf_t.
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*
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*/
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/*
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* Copyright (C) 2005 Jan Hutter, Martin Willi
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* Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#ifndef PRF_HMAC_H_
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#define PRF_HMAC_H_
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#include <types.h>
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#include <transforms/prfs/prf.h>
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#include <transforms/hashers/hasher.h>
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typedef struct hmac_prf_t hmac_prf_t;
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/**
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* @brief Implementation of prf_t interface using the
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* a HMAC algorithm.
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*
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* This simply wraps a hmac_t in a prf_t. More a question of
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* interface matchig.
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*
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* @ingroup prfs
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*/
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struct hmac_prf_t {
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/**
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* Generic prf_t interface for this hmac_prf_t class.
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*/
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prf_t prf_interface;
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};
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/**
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* @brief Creates a new hmac_prf_t object
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*
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* @param hash_algorithm hmac's hash algorithm
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* @return
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* - hmac_prf_t if successfully
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* - NULL if hash not supported
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*
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* @ingroup prfs
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*/
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hmac_prf_t *hmac_prf_create(hash_algorithm_t hash_algorithm);
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#endif /*PRF_HMAC_SHA1_H_*/
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