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/*
* Copyright (C) 2017 Tobias Brunner
* Copyright (C) 2016 Andreas Steffen
* HSR 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 "xof.h"
ENUM(ext_out_function_names, XOF_UNDEFINED, XOF_CHACHA20,
"XOF_UNDEFINED",
"XOF_MGF1_SHA1",
"XOF_MGF1_SHA224",
"XOF_MGF1_SHA256",
"XOF_MGF1_SHA384",
"XOF_MGF1_SHA512",
"XOF_SHAKE128",
"XOF_SHAKE256",
"XOF_CHACHA20"
);
/*
* Described in header
*/
ext_out_function_t xof_mgf1_from_hash_algorithm(hash_algorithm_t alg)
{
switch (alg)
{
case HASH_SHA1:
return XOF_MGF1_SHA1;
case HASH_SHA224:
return XOF_MGF1_SHA224;
case HASH_SHA256:
return XOF_MGF1_SHA256;
case HASH_SHA384:
return XOF_MGF1_SHA384;
case HASH_SHA512:
return XOF_MGF1_SHA512;
case HASH_IDENTITY:
case HASH_UNKNOWN:
case HASH_MD2:
case HASH_MD4:
case HASH_MD5:
case HASH_SHA3_224:
case HASH_SHA3_256:
case HASH_SHA3_384:
case HASH_SHA3_512:
break;
}
return XOF_UNDEFINED;
}
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