ascon_cxof128.h File Reference

Ascon-CXOF128 customizable extendable-output function. More...

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

Go to the source code of this file.

Data Structures
struct	AsconCxof128Context
	Ascon-CXOF128 algorithm context. More...

Functions
error_t	asconCxof128Compute (const void *input, size_t inputLen, const char_t *custom, size_t customLen, uint8_t *output, size_t outputLen)
	Digest a message using Ascon-CXOF128. More...
error_t	asconCxof128Init (AsconCxof128Context *context, const char_t *custom, size_t customLen)
	Initialize Ascon-CXOF128 context. More...
void	asconCxof128Absorb (AsconCxof128Context *context, const void *input, size_t length)
	Absorb data. More...
void	asconCxof128Final (AsconCxof128Context *context)
	Finish absorbing phase. More...
void	asconCxof128Squeeze (AsconCxof128Context *context, uint8_t *output, size_t length)
	Extract data from the squeezing phase. More...

Detailed Description

Ascon-CXOF128 customizable 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.

Author

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

Version

2.5.0

Definition in file ascon_cxof128.h.

Function Documentation

asconCxof128Absorb()

void asconCxof128Absorb	(	AsconCxof128Context *	context,
		const void *	input,
		size_t	length
	)

Absorb data.

Parameters

[in]	context	Pointer to the Ascon-CXOF128 context
[in]	input	Pointer to the buffer being hashed
[in]	length	Length of the buffer

Definition at line 195 of file ascon_cxof128.c.

asconCxof128Compute()

error_t asconCxof128Compute	(	const void *	input,
		size_t	inputLen,
		const char_t *	custom,
		size_t	customLen,
		uint8_t *	output,
		size_t	outputLen
	)

Digest a message using Ascon-CXOF128.

Parameters

[in]	input	Pointer to the input data
[in]	inputLen	Length of the input data
[in]	custom	Customization string (Z)
[in]	customLen	Length of the customization string
[out]	output	Pointer to the output data
[in]	outputLen	Expected length of the output data

Returns

Error code

Definition at line 59 of file ascon_cxof128.c.

asconCxof128Final()

void asconCxof128Final

(

AsconCxof128Context *

context

)

Finish absorbing phase.

Parameters

[in]

context

Pointer to the Ascon-CXOF128 context

Definition at line 239 of file ascon_cxof128.c.

asconCxof128Init()

error_t asconCxof128Init	(	AsconCxof128Context *	context,
		const char_t *	custom,
		size_t	customLen
	)

Initialize Ascon-CXOF128 context.

Parameters

[in]	context	Pointer to the Ascon-CXOF128 context to initialize
[in]	custom	Customization string (Z)
[in]	customLen	Length of the customization string, in bytes

Returns

Error code

Definition at line 116 of file ascon_cxof128.c.

asconCxof128Squeeze()

void asconCxof128Squeeze	(	AsconCxof128Context *	context,
		uint8_t *	output,
		size_t	length
	)

Extract data from the squeezing phase.

Parameters

[in]	context	Pointer to the Ascon-CXOF128 context
[out]	output	Output string
[in]	length	Desired output length, in bytes

Definition at line 278 of file ascon_cxof128.c.