ANSI X9.63 key derivation function. More...

#include "core/crypto.h"
#include "kdf/x963_kdf.h"
#include "hash/hash_algorithms.h"

Macros
#define	TRACE_LEVEL CRYPTO_TRACE_LEVEL

Functions
error_t	x963Kdf (const HashAlgo hashAlgo, const uint8_t z, size_t zLen, const uint8_t sharedInfo, size_t sharedInfoLen, uint8_t dk, size_t dkLen)
	ANSI X9.63 key derivation function. More...

Detailed Description

ANSI X9.63 key derivation function.

License

SPDX-License-Identifier: GPL-2.0-or-later

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.

Description

The ANSI X9.63 KDF key derivation function is a simple construct based on a one-way hash function described in American National Standard X9.63

Author: Oryx Embedded SARL (www.oryx-embedded.com)

Version: 2.6.6

Definition in file x963_kdf.c.

Macro Definition Documentation

◆ TRACE_LEVEL

#define TRACE_LEVEL CRYPTO_TRACE_LEVEL

Definition at line 37 of file x963_kdf.c.

Function Documentation

◆ x963Kdf()

error_t x963Kdf	(	const HashAlgo *	hashAlgo,
		const uint8_t *	z,
		size_t	zLen,
		const uint8_t *	sharedInfo,
		size_t	sharedInfoLen,
		uint8_t *	dk,
		size_t	dkLen
	)

ANSI X9.63 key derivation function.

Parameters

[in]	hashAlgo	Underlying hash function
[in]	z	Shared secret Z
[in]	zLen	Length of the shared secret Z, in bytes
[in]	sharedInfo	Shared information (optional parameter)
[in]	sharedInfoLen	Length of the shared information, in bytes
[out]	dk	Derived keying material
[in]	dkLen	Length of the keying material to be generated, in bytes

Returns: Error code

Definition at line 60 of file x963_kdf.c.

Macros