trivium.h File Reference

Trivium stream cipher. More...

#include "core/crypto.h"

Go to the source code of this file.

Data Structures
struct	TriviumContext
	Trivium algorithm context. More...

Functions
error_t	triviumInit (TriviumContext *context, const uint8_t *key, size_t keyLen, const uint8_t *iv, size_t ivLen)
	Initialize Trivium context using the supplied key and IV. More...
void	triviumCipher (TriviumContext *context, const uint8_t *input, uint8_t *output, size_t length)
	Encrypt/decrypt data with the Trivium algorithm. More...
uint8_t	triviumGenerateBit (TriviumContext *context)
	Generate one bit of key stream. More...
uint8_t	triviumGenerateByte (TriviumContext *context)
	Generate one byte of key stream. More...
void	triviumDeinit (TriviumContext *context)
	Release Trivium context. More...

Detailed Description

Trivium stream cipher.

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 trivium.h.

Function Documentation

triviumCipher()

void triviumCipher	(	TriviumContext *	context,
		const uint8_t *	input,
		uint8_t *	output,
		size_t	length
	)

Encrypt/decrypt data with the Trivium algorithm.

Parameters

[in]	context	Pointer to the Trivium context
[in]	input	Pointer to the data to encrypt/decrypt (optional)
[in]	output	Pointer to the resulting data (optional)
[in]	length	Number of bytes to be processed

Definition at line 117 of file trivium.c.

triviumDeinit()

void triviumDeinit

(

TriviumContext *

context

)

Release Trivium context.

Parameters

[in]

context

Pointer to the Trivium context

Definition at line 239 of file trivium.c.

triviumGenerateBit()

uint8_t triviumGenerateBit

(

TriviumContext *

context

)

Generate one bit of key stream.

Parameters

[in]

context

Pointer to the Trivium context

Returns

Key stream bit

Definition at line 154 of file trivium.c.

triviumGenerateByte()

uint8_t triviumGenerateByte

(

TriviumContext *

context

)

Generate one byte of key stream.

Parameters

[in]

context

Pointer to the Trivium context

Returns

Key stream byte

Definition at line 215 of file trivium.c.

triviumInit()

error_t triviumInit	(	TriviumContext *	context,
		const uint8_t *	key,
		size_t	keyLen,
		const uint8_t *	iv,
		size_t	ivLen
	)

Initialize Trivium context using the supplied key and IV.

Parameters

[in]	context	Pointer to the Trivium context to initialize
[in]	key	Pointer to the key
[in]	keyLen	Length of the key (10 bytes)
[in]	iv	Pointer to the initialization vector
[in]	ivLen	Length of the initialization vector (10 bytes)

Returns

Error code

Definition at line 59 of file trivium.c.