youtubeUnblock/deps/cyclone/include/kdf/hkdf.h
2025-01-02 01:28:25 +03:00

59 lines
1.7 KiB
C

/**
* @file hkdf.h
* @brief HKDF (HMAC-based Key Derivation Function)
*
* @section License
*
* SPDX-License-Identifier: GPL-2.0-or-later
*
* Copyright (C) 2010-2024 Oryx Embedded SARL. All rights reserved.
*
* This file is part of CycloneCRYPTO Open.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* @author Oryx Embedded SARL (www.oryx-embedded.com)
* @version 2.4.4
**/
#ifndef _HKDF_H
#define _HKDF_H
//Dependencies
#include "core/crypto.h"
//C++ guard
#ifdef __cplusplus
extern "C" {
#endif
//HKDF related functions
error_t hkdf(const HashAlgo *hash, const uint8_t *ikm, size_t ikmLen,
const uint8_t *salt, size_t saltLen, const uint8_t *info, size_t infoLen,
uint8_t *okm, size_t okmLen);
error_t hkdfExtract(const HashAlgo *hash, const uint8_t *ikm, size_t ikmLen,
const uint8_t *salt, size_t saltLen, uint8_t *prk);
error_t hkdfExpand(const HashAlgo *hash, const uint8_t *prk, size_t prkLen,
const uint8_t *info, size_t infoLen, uint8_t *okm, size_t okmLen);
//C++ guard
#ifdef __cplusplus
}
#endif
#endif