mars.h File Reference

MARS encryption algorithm. More...

#include "core/crypto.h"

Go to the source code of this file.

Data Structures

struct  MarsContext
 MARS algorithm context. More...
 

Macros

#define MARS_BLOCK_SIZE   16
 
#define MARS_CIPHER_ALGO   (&marsCipherAlgo)
 

Functions

error_t marsInit (MarsContext *context, const uint8_t *key, size_t keyLen)
 Key expansion. More...
 
void marsEncryptBlock (MarsContext *context, const uint8_t *input, uint8_t *output)
 Encrypt a 16-byte block using MARS algorithm. More...
 
void marsDecryptBlock (MarsContext *context, const uint8_t *input, uint8_t *output)
 Decrypt a 16-byte block using MARS algorithm. More...
 
void marsDeinit (MarsContext *context)
 Release MARS context. More...
 

Variables

const CipherAlgo marsCipherAlgo
 

Detailed Description

MARS encryption algorithm.

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
2.4.0

Definition in file mars.h.

Macro Definition Documentation

◆ MARS_BLOCK_SIZE

#define MARS_BLOCK_SIZE   16

Definition at line 38 of file mars.h.

◆ MARS_CIPHER_ALGO

#define MARS_CIPHER_ALGO   (&marsCipherAlgo)

Definition at line 40 of file mars.h.

Function Documentation

◆ marsDecryptBlock()

void marsDecryptBlock ( MarsContext context,
const uint8_t *  input,
uint8_t *  output 
)

Decrypt a 16-byte block using MARS algorithm.

Parameters
[in]contextPointer to the MARS context
[in]inputCiphertext block to decrypt
[out]outputPlaintext block resulting from decryption

Definition at line 421 of file mars.c.

◆ marsDeinit()

void marsDeinit ( MarsContext context)

Release MARS context.

Parameters
[in]contextPointer to the MARS context

Definition at line 506 of file mars.c.

◆ marsEncryptBlock()

void marsEncryptBlock ( MarsContext context,
const uint8_t *  input,
uint8_t *  output 
)

Encrypt a 16-byte block using MARS algorithm.

Parameters
[in]contextPointer to the MARS context
[in]inputPlaintext block to encrypt
[out]outputCiphertext block resulting from encryption

Definition at line 334 of file mars.c.

◆ marsInit()

error_t marsInit ( MarsContext context,
const uint8_t *  key,
size_t  keyLen 
)

Key expansion.

Parameters
[in]contextPointer to the MARS context to initialize
[in]keyPointer to the key
[in]keyLenLength of the key
Returns
Error code

Definition at line 226 of file mars.c.

Variable Documentation

◆ marsCipherAlgo

const CipherAlgo marsCipherAlgo
extern

Definition at line 203 of file mars.c.