2 * Copyright (c) 2018 Stefan Sperling <stsp@openbsd.org>
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #include <sys/types.h>
24 #include "got_lib_sha1.h"
27 got_parse_xdigit(uint8_t *val, const char *hex)
33 lval = strtol(hex, &ep, 16);
34 if (hex[0] == '\0' || *ep != '\0')
36 if (errno == ERANGE && (lval == LONG_MAX || lval == LONG_MIN))
44 got_parse_sha1_digest(uint8_t *digest, const char *line)
47 char hex[3] = {'\0', '\0', '\0'};
50 for (i = 0; i < SHA1_DIGEST_LENGTH; i++) {
51 if (line[0] == '\0' || line[1] == '\0')
53 for (j = 0; j < 2; j++) {
57 if (!got_parse_xdigit(&b, hex))
66 got_sha1_digest_to_str(const uint8_t *digest, char *buf, size_t size)
72 if (size < SHA1_DIGEST_STRING_LENGTH)
75 for (i = 0; i < SHA1_DIGEST_LENGTH; i++) {
76 snprintf(hex, sizeof(hex), "%.2x", digest[i]);