niceSOFT/systemd: The systemd System and Service Manager

src/basic/hmac.h

10 строк455 B

Daan De Meyer

tree-wide: Introduce sd-forward.h and shared-forward.h headers

16 окт 2025, 18:00

16 окт 2025, 18:00f102bc3

/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once

#include "basic-forward.h"
#include "sha256.h"

/* Unoptimized implementation based on FIPS 198. 'res' has to be allocated by
 * the caller. Prefer external OpenSSL functions, and use this only when
 * linking to OpenSSL is not desirable (eg: libsystemd.so). */
void hmac_sha256(const void *key, size_t key_size, const void *input, size_t input_size, uint8_t res[static SHA256_DIGEST_SIZE]);