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/**
* @file signer.c
*
* @brief Implementation of generic signer_t constructor.
*
*/
/*
* Copyright (C) 2005-2006 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.
*/
#include "signer.h"
#include <crypto/signers/hmac_signer.h>
ENUM_BEGIN(integrity_algorithm_names, AUTH_UNDEFINED, AUTH_HMAC_SHA1_128,
"UNDEFINED",
"AUTH_HMAC_SHA1_128");
ENUM_NEXT(integrity_algorithm_names, AUTH_HMAC_MD5_96, AUTH_AES_XCBC_96, AUTH_HMAC_SHA1_128,
"HMAC_MD5_96",
"HMAC_SHA1_96",
"DES_MAC",
"KPDK_MD5",
"AES_XCBC_96");
ENUM_NEXT(integrity_algorithm_names, AUTH_HMAC_SHA2_256_128, AUTH_HMAC_SHA2_512_256, AUTH_AES_XCBC_96,
"AUTH_HMAC_SHA2_256_128",
"AUTH_HMAC_SHA2_384_192",
"AUTH_HMAC_SHA2_512_256");
ENUM_END(integrity_algorithm_names, AUTH_HMAC_SHA2_512_256);
/*
* Described in header.
*/
signer_t *signer_create(integrity_algorithm_t integrity_algorithm)
{
switch(integrity_algorithm)
{
case AUTH_HMAC_SHA1_96:
return (signer_t *)hmac_signer_create(HASH_SHA1, 12);
case AUTH_HMAC_SHA1_128:
return (signer_t *)hmac_signer_create(HASH_SHA1, 16);
case AUTH_HMAC_MD5_96:
return (signer_t *)hmac_signer_create(HASH_MD5, 12);
case AUTH_HMAC_SHA2_256_128:
return (signer_t *)hmac_signer_create(HASH_SHA256, 16);
case AUTH_HMAC_SHA2_384_192:
return (signer_t *)hmac_signer_create(HASH_SHA384, 24);
case AUTH_HMAC_SHA2_512_256:
return (signer_t *)hmac_signer_create(HASH_SHA512, 32);
default:
return NULL;
}
}
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