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