src/libstrongswan/crypto/hashers/hasher.c

   1 /**
   2  * @file hasher.c
   3  *
   4  * @brief Generic constructor for hasher_t.
   5  *
   6  */
   7
   8 /*
   9  * Copyright (C) 2005-2006 Martin Willi
  10  * Copyright (C) 2005 Jan Hutter
  11  * Hochschule fuer Technik Rapperswil
  12  *
  13  * This program is free software; you can redistribute it and/or modify it
  14  * under the terms of the GNU General Public License as published by the
  15  * Free Software Foundation; either version 2 of the License, or (at your
  16  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
  17  *
  18  * This program is distributed in the hope that it will be useful, but
  19  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  20  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  21  * for more details.
  22  */
  23
  24
  25 #include "hasher.h"
  26
  27 #include <crypto/hashers/sha1_hasher.h>
  28 #include <crypto/hashers/md5_hasher.h>
  29
  30 /**
  31  * String mappings for hash_algorithm_t.
  32  */
  33 mapping_t hash_algorithm_m[] = {
  34         {HASH_MD2,"HASH_MD2"},
  35         {HASH_MD5,"HASH_MD5"},
  36         {HASH_SHA1,"HASH_SHA1"},
  37         {HASH_SHA256,"HASH_SHA256"},
  38         {HASH_SHA384,"HASH_SHA384"},
  39         {HASH_SHA512,"HASH_SHA512"},
  40         {MAPPING_END, NULL}
  41 };
  42
  43 /*
  44  * Described in header.
  45  */
  46 hasher_t *hasher_create(hash_algorithm_t hash_algorithm)
  47 {
  48         switch (hash_algorithm)
  49         {
  50                 case HASH_SHA1:
  51                 {
  52                         return (hasher_t*)sha1_hasher_create();
  53                 }
  54                 case HASH_MD5:
  55                 {
  56                         return (hasher_t*)md5_hasher_create();
  57                 }
  58                 default:
  59                         return NULL;
  60         }
  61 }