cryb-to/lib/digest/digest.c
2014-07-10 17:15:54 +00:00

69 lines
2.3 KiB
C

/*-
* Copyright (c) 2012 The University of Oslo
* Copyright (c) 2012 Dag-Erling Smørgrav
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Author: Dag-Erling Smørgrav <des@des.no>
* Sponsor: the University of Oslo
*
* $Cryb$
*/
#include "cryb/impl.h"
#include <string.h>
#include <cryb/digest.h>
#include <cryb/md5.h>
#include <cryb/sha1.h>
static const struct digest_algorithm **cryb_digest_algorithms;
static void
cryb_init_digest_algorithms(void)
{
static const struct digest_algorithm *algorithms[] = {
&cryb_md5_algorithm,
&cryb_sha1_algorithm,
NULL
};
cryb_digest_algorithms = algorithms;
}
const struct digest_algorithm *
cryb_digest_algorithm(const char *name)
{
const struct digest_algorithm **algp;
if (cryb_digest_algorithms == NULL)
cryb_init_digest_algorithms();
for (algp = cryb_digest_algorithms; *algp != NULL; ++algp)
if (strcasecmp((*algp)->name, name) == 0)
return (*algp);
return (NULL);
}