sbase/sha256sum.c

44 lines
719 B
C

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