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Strongswan

    1: /*
    2:  * Copyright (C) 2017 Tobias Brunner
    3:  * Copyright (C) 2016 Andreas Steffen
    4:  * HSR Hochschule fuer Technik Rapperswil
    5:  *
    6:  * This program is free software; you can redistribute it and/or modify it
    7:  * under the terms of the GNU General Public License as published by the
    8:  * Free Software Foundation; either version 2 of the License, or (at your
    9:  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
   10:  *
   11:  * This program is distributed in the hope that it will be useful, but
   12:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   13:  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   14:  * for more details.
   15:  */
   16: 
   17: #include "xof.h"
   18: 
   19: ENUM(ext_out_function_names, XOF_UNDEFINED, XOF_CHACHA20,
   20: 	"XOF_UNDEFINED",
   21: 	"XOF_MGF1_SHA1",
   22: 	"XOF_MGF1_SHA224",
   23: 	"XOF_MGF1_SHA256",
   24: 	"XOF_MGF1_SHA384",
   25: 	"XOF_MGF1_SHA512",
   26: 	"XOF_SHAKE128",
   27: 	"XOF_SHAKE256",
   28: 	"XOF_CHACHA20"
   29: );
   30: 
   31: /*
   32:  * Described in header
   33:  */
   34: ext_out_function_t xof_mgf1_from_hash_algorithm(hash_algorithm_t alg)
   35: {
   36: 	switch (alg)
   37: 	{
   38: 		case HASH_SHA1:
   39: 			return XOF_MGF1_SHA1;
   40: 		case HASH_SHA224:
   41: 			return XOF_MGF1_SHA224;
   42: 		case HASH_SHA256:
   43: 			return XOF_MGF1_SHA256;
   44: 		case HASH_SHA384:
   45: 			return XOF_MGF1_SHA384;
   46: 		case HASH_SHA512:
   47: 			return XOF_MGF1_SHA512;
   48: 		case HASH_IDENTITY:
   49: 		case HASH_UNKNOWN:
   50: 		case HASH_MD2:
   51: 		case HASH_MD4:
   52: 		case HASH_MD5:
   53: 		case HASH_SHA3_224:
   54: 		case HASH_SHA3_256:
   55: 		case HASH_SHA3_384:
   56: 		case HASH_SHA3_512:
   57: 			break;
   58: 	}
   59: 	return XOF_UNDEFINED;
   60: }