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 uint8_t	AES128_ECB_OID [9]
const uint8_t	AES128_CBC_OID [9]
const uint8_t	AES128_OFB_OID [9]
const uint8_t	AES128_CFB_OID [9]
const uint8_t	AES128_GCM_OID [9]
const uint8_t	AES128_CCM_OID [9]
const uint8_t	AES192_ECB_OID [9]
const uint8_t	AES192_CBC_OID [9]
const uint8_t	AES192_OFB_OID [9]
const uint8_t	AES192_CFB_OID [9]
const uint8_t	AES192_GCM_OID [9]
const uint8_t	AES192_CCM_OID [9]
const uint8_t	AES256_ECB_OID [9]
const uint8_t	AES256_CBC_OID [9]
const uint8_t	AES256_OFB_OID [9]
const uint8_t	AES256_CFB_OID [9]
const uint8_t	AES256_GCM_OID [9]
const uint8_t	AES256_CCM_OID [9]
const CipherAlgo	aesCipherAlgo

Detailed Description

AES (Advanced Encryption Standard)

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

2.5.0

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

Definition at line 462 of file aes.c.

aesDeinit()

void aesDeinit

(

AesContext *

context

)

Release AES context.

Parameters

[in]

context

Pointer to the AES context

Definition at line 571 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]	context	Pointer to the AES context
[in]	input	Plaintext block to encrypt
[out]	output	Ciphertext block resulting from encryption

Definition at line 351 of file aes.c.

aesInit()

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

Key expansion.

Parameters

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

Returns

Error code

Definition at line 242 of file aes.c.

Variable Documentation

AES128_CBC_OID

const uint8_t AES128_CBC_OID[9]

extern

Definition at line 182 of file aes.c.

AES128_CCM_OID

const uint8_t AES128_CCM_OID[9]

extern

Definition at line 190 of file aes.c.

AES128_CFB_OID

const uint8_t AES128_CFB_OID[9]

extern

Definition at line 186 of file aes.c.

AES128_ECB_OID

const uint8_t AES128_ECB_OID[9]

extern

Definition at line 180 of file aes.c.

AES128_GCM_OID

const uint8_t AES128_GCM_OID[9]

extern

Definition at line 188 of file aes.c.

AES128_OFB_OID

const uint8_t AES128_OFB_OID[9]

extern

Definition at line 184 of file aes.c.

AES192_CBC_OID

const uint8_t AES192_CBC_OID[9]

extern

Definition at line 195 of file aes.c.

AES192_CCM_OID

const uint8_t AES192_CCM_OID[9]

extern

Definition at line 203 of file aes.c.

AES192_CFB_OID

const uint8_t AES192_CFB_OID[9]

extern

Definition at line 199 of file aes.c.

AES192_ECB_OID

const uint8_t AES192_ECB_OID[9]

extern

Definition at line 193 of file aes.c.

AES192_GCM_OID

const uint8_t AES192_GCM_OID[9]

extern

Definition at line 201 of file aes.c.

AES192_OFB_OID

const uint8_t AES192_OFB_OID[9]

extern

Definition at line 197 of file aes.c.

AES256_CBC_OID

const uint8_t AES256_CBC_OID[9]

extern

Definition at line 208 of file aes.c.

AES256_CCM_OID

const uint8_t AES256_CCM_OID[9]

extern

Definition at line 216 of file aes.c.

AES256_CFB_OID

const uint8_t AES256_CFB_OID[9]

extern

Definition at line 212 of file aes.c.

AES256_ECB_OID

const uint8_t AES256_ECB_OID[9]

extern

Definition at line 206 of file aes.c.

AES256_GCM_OID

const uint8_t AES256_GCM_OID[9]

extern

Definition at line 214 of file aes.c.

AES256_OFB_OID

const uint8_t AES256_OFB_OID[9]

extern

Definition at line 210 of file aes.c.

aesCipherAlgo

const CipherAlgo aesCipherAlgo

extern

Definition at line 219 of file aes.c.