cast128.h File Reference

CAST-128 encryption algorithm. More...

#include "core/crypto.h"

Go to the source code of this file.

Data Structures
struct	Cast128Context
	CAST-128 algorithm context. More...

Macros
#define	CAST128_BLOCK_SIZE   8
#define	CAST128_CIPHER_ALGO   (&cast128CipherAlgo)

Functions
error_t	cast128Init (Cast128Context *context, const uint8_t *key, size_t keyLen)
	Key expansion. More...
void	cast128EncryptBlock (Cast128Context *context, const uint8_t *input, uint8_t *output)
	Encrypt a 8-byte block using CAST-128 algorithm. More...
void	cast128DecryptBlock (Cast128Context *context, const uint8_t *input, uint8_t *output)
	Decrypt a 8-byte block using CAST-128 algorithm. More...
void	cast128Deinit (Cast128Context *context)
	Release CAST-128 context. More...

Variables
const CipherAlgo	cast128CipherAlgo

Detailed Description

CAST-128 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 cast128.h.

Macro Definition Documentation

CAST128_BLOCK_SIZE

#define CAST128_BLOCK_SIZE   8

Definition at line 38 of file cast128.h.

CAST128_CIPHER_ALGO

#define CAST128_CIPHER_ALGO   (&cast128CipherAlgo)

Definition at line 40 of file cast128.h.

Function Documentation

cast128DecryptBlock()

void cast128DecryptBlock	(	Cast128Context *	context,
		const uint8_t *	input,
		uint8_t *	output
	)

Decrypt a 8-byte block using CAST-128 algorithm.

Parameters

[in]	context	Pointer to the CAST-128 context
[in]	input	Ciphertext block to decrypt
[out]	output	Plaintext block resulting from decryption

Definition at line 558 of file cast128.c.

cast128Deinit()

void cast128Deinit

(

Cast128Context *

context

)

Release CAST-128 context.

Parameters

[in]

context

Pointer to the CAST-128 context

Definition at line 602 of file cast128.c.

cast128EncryptBlock()

void cast128EncryptBlock	(	Cast128Context *	context,
		const uint8_t *	input,
		uint8_t *	output
	)

Encrypt a 8-byte block using CAST-128 algorithm.

Parameters

[in]	context	Pointer to the CAST-128 context
[in]	input	Plaintext block to encrypt
[out]	output	Ciphertext block resulting from encryption

Definition at line 512 of file cast128.c.

cast128Init()

error_t cast128Init	(	Cast128Context *	context,
		const uint8_t *	key,
		size_t	keyLen
	)

Key expansion.

Parameters

[in]	context	Pointer to the CAST-128 context to initialize
[in]	key	Pointer to the key
[in]	keyLen	Length of the key

Returns

Error code

Definition at line 398 of file cast128.c.

Variable Documentation

cast128CipherAlgo

const CipherAlgo cast128CipherAlgo

extern

Definition at line 375 of file cast128.c.