cryb-to/lib/digest/digest.c
Dag-Erling Smørgrav b0ff5af2ba Clean up headers and typedefs.
Fix context length in the algorithm descriptors.
Expose the block length and include it in the algorithm descriptors.
Complete the list of available digest algorithms.
2014-07-10 18:09:47 +00:00

77 lines
2.5 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/md2.h>
#include <cryb/md4.h>
#include <cryb/md5.h>
#include <cryb/sha1.h>
#include <cryb/sha256.h>
#include <cryb/sha384.h>
#include <cryb/sha512.h>
static const digest_algorithm **cryb_digest_algorithms;
static void
init_digest_algorithms(void)
{
static const digest_algorithm *algorithms[] = {
&md2_algorithm,
&md4_algorithm,
&md5_algorithm,
&sha1_algorithm,
&sha256_algorithm,
&sha384_algorithm,
&sha512_algorithm,
NULL
};
cryb_digest_algorithms = algorithms;
}
const digest_algorithm *
get_digest_algorithm(const char *name)
{
const 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);
}