kem.c File Reference

Key encapsulation mechanism (KEM) More...

#include "core/crypto.h"
#include "pqc/kem.h"

Go to the source code of this file.

Macros
#define	TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Functions
void	kemInit (KemContext *context, const KemAlgo *kemAlgo)
	Initialize KEM context. More...
void	kemFree (KemContext *context)
	Release KEM context. More...
error_t	kemGenerateKeyPair (KemContext *context, const PrngAlgo *prngAlgo, void *prngContext)
	Key pair generation. More...
error_t	kemLoadPublicKey (KemContext *context, const uint8_t *pk)
	Load public key. More...
error_t	kemEncapsulate (KemContext *context, const PrngAlgo *prngAlgo, void *prngContext, uint8_t *ct, uint8_t *ss)
	Encapsulation algorithm. More...
error_t	kemDecapsulate (KemContext *context, const uint8_t *ct, uint8_t *ss)
	Decapsulation algorithm. More...

Detailed Description

Key encapsulation mechanism (KEM)

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

Definition in file kem.c.

Macro Definition Documentation

TRACE_LEVEL

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Definition at line 32 of file kem.c.

Function Documentation

kemDecapsulate()

error_t kemDecapsulate	(	KemContext *	context,
		const uint8_t *	ct,
		uint8_t *	ss
	)

Decapsulation algorithm.

Parameters

[in]	context	Pointer to the KEM context
[in]	ct	Ciphertext
[out]	ss	Shared secret

Returns

Error code

Definition at line 240 of file kem.c.

kemEncapsulate()

error_t kemEncapsulate	(	KemContext *	context,
		const PrngAlgo *	prngAlgo,
		void *	prngContext,
		uint8_t *	ct,
		uint8_t *	ss
	)

Encapsulation algorithm.

Parameters

[in]	context	Pointer to the KEM context
[in]	prngAlgo	PRNG algorithm
[in]	prngContext	Pointer to the PRNG context
[out]	ct	Ciphertext
[out]	ss	Shared secret

Returns

Error code

Definition at line 209 of file kem.c.

kemFree()

void kemFree

(

KemContext *

context

)

Release KEM context.

Parameters

[in]

context

Pointer to the KEM context

Definition at line 62 of file kem.c.

kemGenerateKeyPair()

error_t kemGenerateKeyPair	(	KemContext *	context,
		const PrngAlgo *	prngAlgo,
		void *	prngContext
	)

Key pair generation.

Parameters

[in]	context	Pointer to the KEM context
[in]	prngAlgo	PRNG algorithm
[in]	prngContext	Pointer to the PRNG context

Returns

Error code

Definition at line 100 of file kem.c.

kemInit()

void kemInit	(	KemContext *	context,
		const KemAlgo *	kemAlgo
	)

Initialize KEM context.

Parameters

[in]	context	Pointer to the KEM context
[in]	kemAlgo	Key encapsulation mechanism

Definition at line 48 of file kem.c.

kemLoadPublicKey()

error_t kemLoadPublicKey	(	KemContext *	context,
		const uint8_t *	pk
	)

Load public key.

Parameters

[in]	context	Pointer to the KEM context
[in]	pk	Public key

Returns

Error code

Definition at line 160 of file kem.c.