sbase/sha256sum.c

43 lines
699 B
C
Raw Normal View History

2013-07-19 13:29:43 +00:00
/* See LICENSE file for copyright and license details. */
#include <stdint.h>
2013-07-19 13:29:43 +00:00
#include <stdio.h>
2013-07-19 13:29:43 +00:00
#include "crypt.h"
#include "sha256.h"
#include "util.h"
2013-07-19 13:29:43 +00:00
2014-11-17 13:38:52 +00:00
static struct sha256 s;
2013-07-19 13:29:43 +00:00
struct crypt_ops sha256_ops = {
sha256_init,
sha256_update,
sha256_sum,
&s,
};
static void
usage(void)
{
eprintf("usage: %s [-c] [file...]\n", argv0);
2013-07-19 13:29:43 +00:00
}
int
main(int argc, char *argv[])
{
uint8_t md[SHA256_DIGEST_LENGTH];
char *checkfile = NULL;
int cflag = 0;
2013-07-19 13:29:43 +00:00
ARGBEGIN {
case 'c':
cflag = 1;
2014-05-05 08:11:37 +00:00
checkfile = ARGF();
2014-05-05 08:05:01 +00:00
break;
2013-07-19 13:29:43 +00:00
default:
usage();
} ARGEND;
if (cflag)
return cryptcheck(checkfile, argc, argv, &sha256_ops, md, sizeof(md));
return cryptmain(argc, argv, &sha256_ops, md, sizeof(md));
2013-07-19 13:29:43 +00:00
}