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>
23 #include "got_compat.h"
25 #include "got_lib_sha1.h"
28 got_parse_xdigit(uint8_t *val, const char *hex)
34 lval = strtol(hex, &ep, 16);
35 if (hex[0] == '\0' || *ep != '\0')
37 if (errno == ERANGE && (lval == LONG_MAX || lval == LONG_MIN))
45 got_parse_sha1_digest(uint8_t *digest, const char *line)
48 char hex[3] = {'\0', '\0', '\0'};
51 for (i = 0; i < SHA1_DIGEST_LENGTH; i++) {
52 if (line[0] == '\0' || line[1] == '\0')
54 for (j = 0; j < 2; j++) {
58 if (!got_parse_xdigit(&b, hex))
67 got_sha1_digest_to_str(const uint8_t *digest, char *buf, size_t size)
73 if (size < SHA1_DIGEST_STRING_LENGTH)
76 for (i = 0; i < SHA1_DIGEST_LENGTH; i++) {
77 snprintf(hex, sizeof(hex), "%.2x", digest[i]);