57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
/**
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* @file prf_hmac.h
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*
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* @brief Implementation of prf_t interface using the
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* a HMAC algorithm. This simply wraps a hmac in a prf.
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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 "prf.h"
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#include "../../types.h"
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#include "../hashers/hasher.h"
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/**
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* Object representing a prf using HMAC
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*
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*/
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typedef struct prf_hmac_s prf_hmac_t;
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struct prf_hmac_s {
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/**
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* generic prf_t interface for this prf
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*/
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prf_t prf_interface;
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};
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/**
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* Creates a new prf_hmac_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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* - prf_hmac_t if successfully
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* - NULL if out of ressources
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*/
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prf_hmac_t *prf_hmac_create(hash_algorithm_t hash_algorithm);
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#endif /*PRF_HMAC_SHA1_H_*/
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