aes.h File Reference

AES (Advanced Encryption Standard) More...

#include "core/crypto.h"

Go to the source code of this file.

Data Structures

struct  AesContext
 AES algorithm context. More...
 

Macros

#define AES_PRIVATE_CONTEXT
 
#define AES_BLOCK_SIZE   16
 
#define AES_CIPHER_ALGO   (&aesCipherAlgo)
 

Functions

error_t aesInit (AesContext *context, const uint8_t *key, size_t keyLen)
 Key expansion. More...
 
void aesEncryptBlock (AesContext *context, const uint8_t *input, uint8_t *output)
 Encrypt a 16-byte block using AES algorithm. More...
 
void aesDecryptBlock (AesContext *context, const uint8_t *input, uint8_t *output)
 Decrypt a 16-byte block using AES algorithm. More...
 
void aesDeinit (AesContext *context)
 Release AES context. More...
 

Variables

const CipherAlgo aesCipherAlgo
 

Detailed Description

AES (Advanced Encryption Standard)

License

SPDX-License-Identifier: GPL-2.0-or-later

Copyright (C) 2010-2023 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
2.2.4

Definition in file aes.h.

Macro Definition Documentation

◆ AES_BLOCK_SIZE

#define AES_BLOCK_SIZE   16

Definition at line 43 of file aes.h.

◆ AES_CIPHER_ALGO

#define AES_CIPHER_ALGO   (&aesCipherAlgo)

Definition at line 45 of file aes.h.

◆ AES_PRIVATE_CONTEXT

#define AES_PRIVATE_CONTEXT

Definition at line 39 of file aes.h.

Function Documentation

◆ aesDecryptBlock()

void aesDecryptBlock ( AesContext context,
const uint8_t *  input,
uint8_t *  output 
)

Decrypt a 16-byte block using AES algorithm.

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

Definition at line 423 of file aes.c.

◆ aesDeinit()

void aesDeinit ( AesContext context)

Release AES context.

Parameters
[in]contextPointer to the AES context

Definition at line 532 of file aes.c.

◆ aesEncryptBlock()

void aesEncryptBlock ( AesContext context,
const uint8_t *  input,
uint8_t *  output 
)

Encrypt a 16-byte block using AES algorithm.

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

Definition at line 312 of file aes.c.

◆ aesInit()

error_t aesInit ( AesContext context,
const uint8_t *  key,
size_t  keyLen 
)

Key expansion.

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

Definition at line 203 of file aes.c.

Variable Documentation

◆ aesCipherAlgo

const CipherAlgo aesCipherAlgo
extern

Definition at line 180 of file aes.c.