68 lines
1.4 KiB
C
68 lines
1.4 KiB
C
/**
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* @file prf.c
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*
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* @brief Generic constructor for all 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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#include "prf.h"
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#include <crypto/hashers/hasher.h>
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#include <crypto/prfs/hmac_prf.h>
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/**
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* String mappings for encryption_algorithm_t.
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*/
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mapping_t pseudo_random_function_m[] = {
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{PRF_UNDEFINED, "PRF_UNDEFINED"},
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{PRF_HMAC_MD5, "PRF_HMAC_MD5"},
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{PRF_HMAC_SHA1, "PRF_HMAC_SHA1"},
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{PRF_HMAC_TIGER, "PRF_HMAC_TIGER"},
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{PRF_AES128_CBC, "PRF_AES128_CBC"},
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{MAPPING_END, NULL}
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};
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/*
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* Described in header.
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*/
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prf_t *prf_create(pseudo_random_function_t pseudo_random_function)
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{
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switch (pseudo_random_function)
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{
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case PRF_HMAC_SHA1:
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{
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return (prf_t*)hmac_prf_create(HASH_SHA1);
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}
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case PRF_HMAC_MD5:
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{
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return (prf_t*)hmac_prf_create(HASH_MD5);
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}
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case PRF_HMAC_TIGER:
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case PRF_AES128_CBC:
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default:
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return NULL;
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}
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}
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