present.c File Reference

PRESENT encryption algorithm. More...

#include "core/crypto.h"
#include "cipher/present.h"

Go to the source code of this file.

Macros

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL
 

Functions

error_t presentInit (PresentContext *context, const uint8_t *key, size_t keyLen)
 Key expansion. More...
 
void presentEncryptBlock (PresentContext *context, const uint8_t *input, uint8_t *output)
 Encrypt a 8-byte block using PRESENT algorithm. More...
 
void presentDecryptBlock (PresentContext *context, const uint8_t *input, uint8_t *output)
 Decrypt a 8-byte block using PRESENT algorithm. More...
 

Variables

const CipherAlgo presentCipherAlgo
 

Detailed Description

PRESENT encryption algorithm.

License

Copyright (C) 2010-2018 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.

Description

PRESENT is an ultra-lightweight block cipher

Author
Oryx Embedded SARL (www.oryx-embedded.com)
Version
1.9.0

Definition in file present.c.

Macro Definition Documentation

◆ TRACE_LEVEL

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Definition at line 34 of file present.c.

Function Documentation

◆ presentDecryptBlock()

void presentDecryptBlock ( PresentContext context,
const uint8_t *  input,
uint8_t *  output 
)

Decrypt a 8-byte block using PRESENT algorithm.

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

Definition at line 332 of file present.c.

◆ presentEncryptBlock()

void presentEncryptBlock ( PresentContext context,
const uint8_t *  input,
uint8_t *  output 
)

Encrypt a 8-byte block using PRESENT algorithm.

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

Definition at line 283 of file present.c.

◆ presentInit()

error_t presentInit ( PresentContext context,
const uint8_t *  key,
size_t  keyLen 
)

Key expansion.

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

Definition at line 199 of file present.c.

Variable Documentation

◆ presentCipherAlgo

const CipherAlgo presentCipherAlgo
Initial value:
=
{
"PRESENT",
sizeof(PresentContext),
NULL,
NULL,
}
PRESENT algorithm context.
Definition: present.h:50
void(* CipherAlgoDecryptBlock)(void *context, const uint8_t *input, uint8_t *output)
Definition: crypto.h:1030
void presentEncryptBlock(PresentContext *context, const uint8_t *input, uint8_t *output)
Encrypt a 8-byte block using PRESENT algorithm.
Definition: present.c:283
error_t(* CipherAlgoInit)(void *context, const uint8_t *key, size_t keyLen)
Definition: crypto.h:1026
#define PRESENT_BLOCK_SIZE
Definition: present.h:36
void(* CipherAlgoEncryptBlock)(void *context, const uint8_t *input, uint8_t *output)
Definition: crypto.h:1029
error_t presentInit(PresentContext *context, const uint8_t *key, size_t keyLen)
Key expansion.
Definition: present.c:199
void presentDecryptBlock(PresentContext *context, const uint8_t *input, uint8_t *output)
Decrypt a 8-byte block using PRESENT algorithm.
Definition: present.c:332

Definition at line 177 of file present.c.