Files
systemd/src/basic/sha256.h
Adrian Vovk 0bac442251 basic: Add some sha256 helper functions
Adds a util function to sha256 an open fd (moved from dissect). Also
adds functions to check if a string contains a valid sha256 hash, and
parse it into a sha256 array.
2024-02-13 13:59:27 -05:00

17 lines
441 B
C

/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include <stdint.h>
#include "sha256-fundamental.h"
#include "string-util.h"
int sha256_fd(int fd, uint64_t max_size, uint8_t ret[static SHA256_DIGEST_SIZE]);
int parse_sha256(const char *s, uint8_t res[static SHA256_DIGEST_SIZE]);
static inline bool sha256_is_valid(const char *s) {
return s && in_charset(s, HEXDIGITS) && (strlen(s) == SHA256_DIGEST_SIZE * 2);
}