Files
heimdal/lib/hcrypto/test_rand.c
Love Hörnquist Åstrand 7ba2b2006c rename des to hcrypto
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@20466 ec53bebd-3082-4978-b11e-865c3cabbd6b
2007-04-20 08:29:05 +00:00

147 lines
3.5 KiB
C

/*
* Copyright (c) 2007 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* 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. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef RCSID
RCSID("$Id$");
#endif
#include <stdio.h>
#include <roken.h>
#include <getarg.h>
#include "rand.h"
/*
*
*/
static int version_flag;
static int help_flag;
static int len = 1024 * 1024;
static char *rand_method;
static struct getargs args[] = {
{ "length", 0, arg_integer, &len,
"length", NULL },
{ "method", 0, arg_string, &rand_method,
"method", NULL },
{ "version", 0, arg_flag, &version_flag,
"print version", NULL },
{ "help", 0, arg_flag, &help_flag,
NULL, NULL }
};
/*
*
*/
/*
*
*/
static void
usage (int ret)
{
arg_printusage (args,
sizeof(args)/sizeof(args[0]),
NULL,
"out-random-file");
exit (ret);
}
int
main(int argc, char **argv)
{
int idx = 0;
char *buffer;
char path[MAXPATHLEN];
setprogname(argv[0]);
if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &idx))
usage(1);
if (help_flag)
usage(0);
if(version_flag){
print_version(NULL);
exit(0);
}
argc -= idx;
argv += idx;
if (argc < 1)
usage(1);
buffer = emalloc(len);
if (rand_method) {
if (strcasecmp(rand_method, "fortuna") == 0)
RAND_set_rand_method(RAND_fortuna_method());
else if (strcasecmp(rand_method, "unix") == 0)
RAND_set_rand_method(RAND_unix_method());
else if (strcasecmp(rand_method, "egd") == 0)
RAND_set_rand_method(RAND_egd_method());
else
errx(1, "unknown method %s", rand_method);
}
if (RAND_file_name(path, sizeof(path)) == NULL)
errx(1, "RAND_file_name failed");
if (RAND_status() != 1)
errx(1, "random not ready yet");
if (RAND_bytes(buffer, len) != 1)
errx(1, "RAND_bytes");
rk_dumpdata(argv[0], buffer, len);
free(buffer);
if (RAND_write_file("test.file") != 1)
errx(1, "RAND_write_file");
if (RAND_load_file("test.file", 1024) != 1)
errx(1, "RAND_load_file");
return 0;
}