lpc55s6x_crypto_cipher.c File Reference

LPC55S6x cipher hardware accelerator. More...

#include "fsl_device_registers.h"
#include "fsl_hashcrypt.h"
#include "core/crypto.h"
#include "hardware/lpc55s6x/lpc55s6x_crypto.h"
#include "hardware/lpc55s6x/lpc55s6x_crypto_cipher.h"
#include "cipher/aes.h"
#include "debug.h"

Go to the source code of this file.

Macros
#define	TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Functions
status_t	aesLoadKey (AesContext *context, hashcrypt_handle_t *handle)
	Load AES key. 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...
error_t	ecbEncrypt (const CipherAlgo *cipher, void *context, const uint8_t *p, uint8_t *c, size_t length)
	ECB encryption. More...
error_t	ecbDecrypt (const CipherAlgo *cipher, void *context, const uint8_t *c, uint8_t *p, size_t length)
	ECB decryption. More...
error_t	cbcEncrypt (const CipherAlgo *cipher, void *context, uint8_t *iv, const uint8_t *p, uint8_t *c, size_t length)
	CBC encryption. More...
error_t	cbcDecrypt (const CipherAlgo *cipher, void *context, uint8_t *iv, const uint8_t *c, uint8_t *p, size_t length)
	CBC decryption. More...
error_t	ctrEncrypt (const CipherAlgo *cipher, void *context, uint_t m, uint8_t *t, const uint8_t *p, uint8_t *c, size_t length)
	CTR encryption. More...

Detailed Description

LPC55S6x cipher hardware accelerator.

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

2.4.4

Definition in file lpc55s6x_crypto_cipher.c.

Macro Definition Documentation

TRACE_LEVEL

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Definition at line 32 of file lpc55s6x_crypto_cipher.c.

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 132 of file lpc55s6x_crypto_cipher.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 107 of file lpc55s6x_crypto_cipher.c.

aesLoadKey()

status_t aesLoadKey	(	AesContext *	context,
		hashcrypt_handle_t *	handle
	)

Load AES key.

Parameters

[in]	context	AES algorithm context
[in]	handle	AES handle

Returns

status code

Definition at line 54 of file lpc55s6x_crypto_cipher.c.

cbcDecrypt()

error_t cbcDecrypt	(	const CipherAlgo *	cipher,
		void *	context,
		uint8_t *	iv,
		const uint8_t *	c,
		uint8_t *	p,
		size_t	length
	)

CBC decryption.

Parameters

[in]	cipher	Cipher algorithm
[in]	context	Cipher algorithm context
[in,out]	iv	Initialization vector
[in]	c	Ciphertext to be decrypted
[out]	p	Plaintext resulting from the decryption
[in]	length	Total number of data bytes to be decrypted

Returns

Error code

Definition at line 434 of file lpc55s6x_crypto_cipher.c.

cbcEncrypt()

error_t cbcEncrypt	(	const CipherAlgo *	cipher,
		void *	context,
		uint8_t *	iv,
		const uint8_t *	p,
		uint8_t *	c,
		size_t	length
	)

CBC encryption.

Parameters

[in]	cipher	Cipher algorithm
[in]	context	Cipher algorithm context
[in,out]	iv	Initialization vector
[in]	p	Plaintext to be encrypted
[out]	c	Ciphertext resulting from the encryption
[in]	length	Total number of data bytes to be encrypted

Returns

Error code

Definition at line 331 of file lpc55s6x_crypto_cipher.c.

ctrEncrypt()

error_t ctrEncrypt	(	const CipherAlgo *	cipher,
		void *	context,
		uint_t	m,
		uint8_t *	t,
		const uint8_t *	p,
		uint8_t *	c,
		size_t	length
	)

CTR encryption.

Parameters

[in]	cipher	Cipher algorithm
[in]	context	Cipher algorithm context
[in]	m	Size in bits of the specific part of the block to be incremented
[in,out]	t	Initial counter block
[in]	p	Plaintext to be encrypted
[out]	c	Ciphertext resulting from the encryption
[in]	length	Total number of data bytes to be encrypted

Returns

Error code

Definition at line 547 of file lpc55s6x_crypto_cipher.c.

ecbDecrypt()

error_t ecbDecrypt	(	const CipherAlgo *	cipher,
		void *	context,
		const uint8_t *	c,
		uint8_t *	p,
		size_t	length
	)

ECB decryption.

Parameters

[in]	cipher	Cipher algorithm
[in]	context	Cipher algorithm context
[in]	c	Ciphertext to be decrypted
[out]	p	Plaintext resulting from the decryption
[in]	length	Total number of data bytes to be decrypted

Returns

Error code

Definition at line 245 of file lpc55s6x_crypto_cipher.c.

ecbEncrypt()

error_t ecbEncrypt	(	const CipherAlgo *	cipher,
		void *	context,
		const uint8_t *	p,
		uint8_t *	c,
		size_t	length
	)

ECB encryption.

Parameters

[in]	cipher	Cipher algorithm
[in]	context	Cipher algorithm context
[in]	p	Plaintext to be encrypted
[out]	c	Ciphertext resulting from the encryption
[in]	length	Total number of data bytes to be encrypted

Returns

Error code

Definition at line 162 of file lpc55s6x_crypto_cipher.c.