ascon_hash256.c File Reference

Ascon-Hash256 hash function. More...

#include "core/crypto.h"
#include "lwc/ascon_hash256.h"

Go to the source code of this file.

Macros
#define	TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Functions
__weak_func error_t	asconHash256Compute (const void *data, size_t length, uint8_t *digest)
	Digest a message using Ascon-Hash256. More...
void	asconHash256Init (AsconHash256Context *context)
	Initialize Ascon-Hash256 message digest context. More...
void	asconHash256Update (AsconHash256Context *context, const void *data, size_t length)
	Update the Ascon-Hash256 context with a portion of the message being hashed. More...
void	asconHash256Final (AsconHash256Context *context, uint8_t *digest)
	Finish the Ascon-Hash256 message digest. More...

Variables
const uint8_t	ASCON_HASH256_OID [1] = {0x00}
const HashAlgo	asconHash256HashAlgo

Detailed Description

Ascon-Hash256 hash function.

License

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

Copyright (C) 2010-2025 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.

Description

Ascon-Hash256 is a cryptographic hash function that produces a 256-bit hash of the input messages, offering a security strength of 128 bits

Author

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

Version

2.5.0

Definition in file ascon_hash256.c.

Macro Definition Documentation

TRACE_LEVEL

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Definition at line 37 of file ascon_hash256.c.

Function Documentation

asconHash256Compute()

__weak_func error_t asconHash256Compute	(	const void *	data,
		size_t	length,
		uint8_t *	digest
	)

Digest a message using Ascon-Hash256.

Parameters

[in]	data	Pointer to the message being hashed
[in]	length	Length of the message
[out]	digest	Pointer to the calculated digest

Returns

Error code

Definition at line 76 of file ascon_hash256.c.

asconHash256Final()

void asconHash256Final	(	AsconHash256Context *	context,
		uint8_t *	digest
	)

Finish the Ascon-Hash256 message digest.

Parameters

[in]	context	Pointer to the Ascon-Hash256 context
[out]	digest	Calculated digest

Definition at line 195 of file ascon_hash256.c.

asconHash256Init()

void asconHash256Init

(

AsconHash256Context *

context

)

Initialize Ascon-Hash256 message digest context.

Parameters

[in]

context

Pointer to the Ascon-Hash256 context to initialize

Definition at line 121 of file ascon_hash256.c.

asconHash256Update()

void asconHash256Update	(	AsconHash256Context *	context,
		const void *	data,
		size_t	length
	)

Update the Ascon-Hash256 context with a portion of the message being hashed.

Parameters

[in]	context	Pointer to the Ascon-Hash256 context
[in]	data	Pointer to the buffer being hashed
[in]	length	Length of the buffer

Definition at line 151 of file ascon_hash256.c.

Variable Documentation

ASCON_HASH256_OID

const uint8_t ASCON_HASH256_OID[1] = {0x00}

Definition at line 47 of file ascon_hash256.c.

asconHash256HashAlgo

const HashAlgo asconHash256HashAlgo

Initial value:

=
{
   "Ascon-Hash256",
   ASCON_HASH256_OID,
   sizeof(ASCON_HASH256_OID),
   sizeof(AsconHash256Context),
   ASCON_HASH256_BLOCK_SIZE,
   ASCON_HASH256_DIGEST_SIZE,
   ASCON_HASH256_MIN_PAD_SIZE,
   FALSE,
   (HashAlgoCompute) asconHash256Compute,
   (HashAlgoInit) asconHash256Init,
   (HashAlgoUpdate) asconHash256Update,
   (HashAlgoFinal) asconHash256Final,
   NULL
}

Definition at line 50 of file ascon_hash256.c.