pic32cm_crypto_cipher.c File Reference

PIC32CM cipher hardware accelerator. More...

#include "pic32c.h"
#include "core/crypto.h"
#include "hardware/pic32cm/pic32cm_crypto.h"
#include "hardware/pic32cm/pic32cm_crypto_cipher.h"
#include "cipher/cipher_algorithms.h"
#include "aead/aead_algorithms.h"
#include "debug.h"

Go to the source code of this file.

Macros
#define	TRACE_LEVEL   CRYPTO_TRACE_LEVEL

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...
error_t	gcmInit (GcmContext *context, const CipherAlgo *cipherAlgo, void *cipherContext)
	Initialize GCM context. More...
void	gcmMul (GcmContext *context, uint8_t *x)
	Multiplication operation in GF(2^128) More...

Detailed Description

PIC32CM cipher hardware accelerator.

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

2.2.2

Definition in file pic32cm_crypto_cipher.c.

Macro Definition Documentation

TRACE_LEVEL

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Definition at line 32 of file pic32cm_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 146 of file pic32cm_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 98 of file pic32cm_crypto_cipher.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 55 of file pic32cm_crypto_cipher.c.

gcmInit()

error_t gcmInit	(	GcmContext *	context,
		const CipherAlgo *	cipherAlgo,
		void *	cipherContext
	)

Initialize GCM context.

Parameters

[in]	context	Pointer to the GCM context
[in]	cipherAlgo	Cipher algorithm
[in]	cipherContext	Pointer to the cipher algorithm context

Returns

Error code

Definition at line 197 of file pic32cm_crypto_cipher.c.

gcmMul()

void gcmMul	(	GcmContext *	context,
		uint8_t *	x
	)

Multiplication operation in GF(2^128)

Parameters

[in]	context	Pointer to the GCM context
[in,out]	x	16-byte block to be multiplied by H

Definition at line 236 of file pic32cm_crypto_cipher.c.