ChaCha20Poly1305 AEAD. More...

#include "core/crypto.h"
#include "cipher/chacha.h"
#include "mac/poly1305.h"
#include "aead/chacha20_poly1305.h"
#include "debug.h"

Macros
#define	TRACE_LEVEL CRYPTO_TRACE_LEVEL

Functions
error_t	chacha20Poly1305Encrypt (const uint8_t k, size_t kLen, const uint8_t n, size_t nLen, const uint8_t a, size_t aLen, const uint8_t p, uint8_t c, size_t length, uint8_t t, size_t tLen)
	Authenticated encryption using ChaCha20Poly1305. More...

error_t	chacha20Poly1305Decrypt (const uint8_t k, size_t kLen, const uint8_t n, size_t nLen, const uint8_t a, size_t aLen, const uint8_t c, uint8_t p, size_t length, const uint8_t t, size_t tLen)
	Authenticated decryption using ChaCha20Poly1305. More...

Detailed Description

ChaCha20Poly1305 AEAD.

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.

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

Version: 2.4.4

Definition in file chacha20_poly1305.c.

Macro Definition Documentation

◆ TRACE_LEVEL

#define TRACE_LEVEL CRYPTO_TRACE_LEVEL

Definition at line 32 of file chacha20_poly1305.c.

Function Documentation

◆ chacha20Poly1305Decrypt()

error_t chacha20Poly1305Decrypt	(	const uint8_t *	k,
		size_t	kLen,
		const uint8_t *	n,
		size_t	nLen,
		const uint8_t *	a,
		size_t	aLen,
		const uint8_t *	c,
		uint8_t *	p,
		size_t	length,
		const uint8_t *	t,
		size_t	tLen
	)

Authenticated decryption using ChaCha20Poly1305.

Parameters

[in]	k	key
[in]	kLen	Length of the key
[in]	n	Nonce
[in]	nLen	Length of the nonce
[in]	a	Additional authenticated data
[in]	aLen	Length of the additional data
[in]	c	Ciphertext to be decrypted
[out]	p	Plaintext resulting from the decryption
[in]	length	Total number of data bytes to be decrypted
[in]	t	MAC to be verified
[in]	tLen	Length of the MAC

Returns: Error code

Definition at line 165 of file chacha20_poly1305.c.

◆ chacha20Poly1305Encrypt()

error_t chacha20Poly1305Encrypt	(	const uint8_t *	k,
		size_t	kLen,
		const uint8_t *	n,
		size_t	nLen,
		const uint8_t *	a,
		size_t	aLen,
		const uint8_t *	p,
		uint8_t *	c,
		size_t	length,
		uint8_t *	t,
		size_t	tLen
	)

Authenticated encryption using ChaCha20Poly1305.