sbase/sha256sum.c

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/* See LICENSE file for copyright and license details. */
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include "util.h"
#include "crypt.h"
#include "sha256.h"
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);
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}
int
main(int argc, char *argv[])
{
uint8_t md[SHA256_DIGEST_LENGTH];
char *checkfile = NULL;
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ARGBEGIN {
case 'c':
checkfile = EARGF(usage());
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default:
usage();
} ARGEND;
if(checkfile)
return cryptcheck(checkfile, argc, argv, &sha256_ops, md, sizeof(md));
return cryptmain(argc, argv, &sha256_ops, md, sizeof(md));
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}