sbase/sha256sum.c

40 lines
716 B
C

/* See LICENSE file for copyright and license details. */
#include <stdint.h>
#include <stdio.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[])
{
int (*cryptfunc)(int, char **, struct crypt_ops *, uint8_t *, size_t) = cryptmain;
uint8_t md[SHA256_DIGEST_LENGTH];
ARGBEGIN {
case 'c':
cryptfunc = cryptcheck;
break;
default:
usage();
} ARGEND;
return cryptfunc(argc, argv, &sha256_ops, md, sizeof(md)) ||
!!(fshut(stdin, "<stdin>") + fshut(stdout, "<stdout>"));
}