ascon_xof128.c File Reference

Ascon-XOF128 extendable-output function. More...

#include "core/crypto.h"
#include "lwc/ascon_xof128.h"

Go to the source code of this file.

Macros
#define	TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Functions
error_t	asconXof128Compute (const void *input, size_t inputLen, uint8_t *output, size_t outputLen)
	Digest a message using Ascon-XOF128. More...
void	asconXof128Init (AsconXof128Context *context)
	Initialize Ascon-XOF128 context. More...
void	asconXof128Absorb (AsconXof128Context *context, const void *input, size_t length)
	Absorb data. More...
void	asconXof128Final (AsconXof128Context *context)
	Finish absorbing phase. More...
void	asconXof128Squeeze (AsconXof128Context *context, uint8_t *output, size_t length)
	Extract data from the squeezing phase. More...

Detailed Description

Ascon-XOF128 extendable-output 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-XOF128 is an eXtendable Output Functions (XOF), where the output size of the hash of the message can be selected by the user, and the supported security strength is up to 128 bits

Author

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

Version

2.5.0

Definition in file ascon_xof128.c.

Macro Definition Documentation

TRACE_LEVEL

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Definition at line 38 of file ascon_xof128.c.

Function Documentation

asconXof128Absorb()

void asconXof128Absorb	(	AsconXof128Context *	context,
		const void *	input,
		size_t	length
	)

Absorb data.

Parameters

[in]	context	Pointer to the Ascon-XOF128 context
[in]	input	Pointer to the buffer being hashed
[in]	length	Length of the buffer

Definition at line 135 of file ascon_xof128.c.

asconXof128Compute()

error_t asconXof128Compute	(	const void *	input,
		size_t	inputLen,
		uint8_t *	output,
		size_t	outputLen
	)

Digest a message using Ascon-XOF128.

Parameters

[in]	input	Pointer to the input data
[in]	inputLen	Length of the input data
[out]	output	Pointer to the output data
[in]	outputLen	Expected length of the output data

Returns

Error code

Definition at line 57 of file ascon_xof128.c.

asconXof128Final()

void asconXof128Final

(

AsconXof128Context *

context

)

Finish absorbing phase.

Parameters

[in]

context

Pointer to the Ascon-XOF128 context

Definition at line 179 of file ascon_xof128.c.

asconXof128Init()

void asconXof128Init

(

AsconXof128Context *

context

)

Initialize Ascon-XOF128 context.

Parameters

[in]

context

Pointer to the Ascon-XOF128 context to initialize

Definition at line 105 of file ascon_xof128.c.

asconXof128Squeeze()

void asconXof128Squeeze	(	AsconXof128Context *	context,
		uint8_t *	output,
		size_t	length
	)

Extract data from the squeezing phase.

Parameters

[in]	context	Pointer to the Ascon-XOF128 context
[out]	output	Output string
[in]	length	Desired output length, in bytes

Definition at line 218 of file ascon_xof128.c.