serpent.h File Reference

Serpent encryption algorithm. More...

#include "core/crypto.h"

Go to the source code of this file.

Data Structures
struct	SerpentContext
	Serpent algorithm context. More...

Macros
#define	SERPENT_BLOCK_SIZE   16
#define	SERPENT_CIPHER_ALGO   (&serpentCipherAlgo)

Functions
error_t	serpentInit (SerpentContext *context, const uint8_t *key, size_t keyLen)
	Key expansion. More...
void	serpentEncryptBlock (SerpentContext *context, const uint8_t *input, uint8_t *output)
	Encrypt a 16-byte block using Serpent algorithm. More...
void	serpentDecryptBlock (SerpentContext *context, const uint8_t *input, uint8_t *output)
	Decrypt a 16-byte block using Serpent algorithm. More...
void	serpentDeinit (SerpentContext *context)
	Release Serpent context. More...

Variables
const CipherAlgo	serpentCipherAlgo

Detailed Description

Serpent encryption algorithm.

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

2.5.4

Definition in file serpent.h.

Macro Definition Documentation

SERPENT_BLOCK_SIZE

#define SERPENT_BLOCK_SIZE   16

Definition at line 38 of file serpent.h.

SERPENT_CIPHER_ALGO

#define SERPENT_CIPHER_ALGO   (&serpentCipherAlgo)

Definition at line 40 of file serpent.h.

Function Documentation

serpentDecryptBlock()

void serpentDecryptBlock	(	SerpentContext *	context,
		const uint8_t *	input,
		uint8_t *	output
	)

Decrypt a 16-byte block using Serpent algorithm.

Parameters

[in]	context	Pointer to the Serpent context
[in]	input	Ciphertext block to decrypt
[out]	output	Plaintext block resulting from decryption

Definition at line 543 of file serpent.c.

serpentDeinit()

void serpentDeinit

(

SerpentContext *

context

)

Release Serpent context.

Parameters

[in]

context

Pointer to the Serpent context

Definition at line 591 of file serpent.c.

serpentEncryptBlock()

void serpentEncryptBlock	(	SerpentContext *	context,
		const uint8_t *	input,
		uint8_t *	output
	)

Encrypt a 16-byte block using Serpent algorithm.

Parameters

[in]	context	Pointer to the Serpent context
[in]	input	Plaintext block to encrypt
[out]	output	Ciphertext block resulting from encryption

Definition at line 495 of file serpent.c.

serpentInit()

error_t serpentInit	(	SerpentContext *	context,
		const uint8_t *	key,
		size_t	keyLen
	)

Key expansion.

Parameters

[in]	context	Pointer to the Serpent context to initialize
[in]	key	Pointer to the key
[in]	keyLen	Length of the key

Returns

Error code

Definition at line 402 of file serpent.c.

Variable Documentation

serpentCipherAlgo

const CipherAlgo serpentCipherAlgo

extern

Definition at line 379 of file serpent.c.