Source/charon/transforms/hashers/hasher_sha1.c

   1 /**
   2  * @file hasher_sha1.c
   3  *
   4  * @brief Implementation of hasher_t interface using the
   5  * SHA1 algorithm.
   6  *
   7  */
   8
   9 /*
  10  * Copyright (C) 2005 Jan Hutter, Martin Willi
  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 #include "hasher_sha1.h"
  25
  26 #include "../../utils/allocator.h"
  27
  28 typedef struct private_hasher_sha1_s private_hasher_sha1_t;
  29
  30 struct private_hasher_sha1_s {
  31         /**
  32          * public interface for this hasher
  33          */
  34         hasher_sha1_t public;
  35 };
  36
  37
  38
  39
  40
  41 /*
  42  * Described in header
  43  */
  44 hasher_sha1_t *hasher_sha1_create()
  45 {
  46         private_hasher_sha1_t *this = allocator_alloc_thing(private_hasher_sha1_t);
  47
  48         if (this == NULL)
  49         {
  50                 return NULL;
  51         }
  52
  53         return &(this->public);
  54 }
  55
  56
  57
  58
  59