50 lines
813 B
C
50 lines
813 B
C
/* See LICENSE file for copyright and license details. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include "util.h"
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#include "crypt.h"
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#include "sha256.h"
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struct sha256 s;
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struct crypt_ops sha256_ops = {
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sha256_init,
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sha256_update,
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sha256_sum,
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&s,
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};
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static void
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usage(void)
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{
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eprintf("usage: %s [file...]\n", argv0);
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}
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int
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main(int argc, char *argv[])
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{
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FILE *fp;
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uint8_t md[SHA256_DIGEST_LENGTH];
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ARGBEGIN {
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default:
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usage();
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} ARGEND;
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if (argc == 0) {
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cryptsum(&sha256_ops, stdin, "<stdin>", md);
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mdprint(md, "<stdin>", sizeof(md));
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} else {
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for (; argc > 0; argc--) {
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if ((fp = fopen(*argv, "r")) == NULL)
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eprintf("fopen %s:", *argv);
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cryptsum(&sha256_ops, fp, *argv, md);
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mdprint(md, *argv, sizeof(md));
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fclose(fp);
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argv++;
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}
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}
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return 0;
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}
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