s32k1_crypto_cipher.c File Reference

S32K1 cipher hardware accelerator. More...

#include "fsl_device_registers.h"
#include "core/crypto.h"
#include "hardware/s32k1/s32k1_crypto.h"
#include "hardware/s32k1/s32k1_crypto_cipher.h"
#include "cipher/cipher_algorithms.h"
#include "debug.h"

Go to the source code of this file.

Macros

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL
 

Functions

uint32_t aesLoadKey (const uint32_t *key)
 Load AES key. More...
 
uint32_t aesProcessData (uint32_t command, size_t offset, const uint8_t *input, uint8_t *output, size_t length)
 Perform AES encryption or decryption. 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...
 

Detailed Description

S32K1 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
2.4.0

Definition in file s32k1_crypto_cipher.c.

Macro Definition Documentation

◆ TRACE_LEVEL

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Definition at line 32 of file s32k1_crypto_cipher.c.

Function Documentation

◆ aesLoadKey()

uint32_t aesLoadKey ( const uint32_t *  key)

Load AES key.

Parameters
[in]key128-bit encryption key
Returns
CSEq error code

Definition at line 52 of file s32k1_crypto_cipher.c.

◆ aesProcessData()

uint32_t aesProcessData ( uint32_t  command,
size_t  offset,
const uint8_t *  input,
uint8_t *  output,
size_t  length 
)

Perform AES encryption or decryption.

Parameters
[in]commandCSEq command
[in]offsetCSEq RAM offset
[in]inputData to be encrypted/decrypted
[out]outputData resulting from the encryption/decryption process
[in]lengthTotal number of data bytes to be processed
Returns
CSEq error code

Definition at line 92 of file s32k1_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]cipherCipher algorithm
[in]contextCipher algorithm context
[in,out]ivInitialization vector
[in]cCiphertext to be decrypted
[out]pPlaintext resulting from the decryption
[in]lengthTotal number of data bytes to be decrypted
Returns
Error code

Definition at line 519 of file s32k1_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]cipherCipher algorithm
[in]contextCipher algorithm context
[in,out]ivInitialization vector
[in]pPlaintext to be encrypted
[out]cCiphertext resulting from the encryption
[in]lengthTotal number of data bytes to be encrypted
Returns
Error code

Definition at line 367 of file s32k1_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]cipherCipher algorithm
[in]contextCipher algorithm context
[in]cCiphertext to be decrypted
[out]pPlaintext resulting from the decryption
[in]lengthTotal number of data bytes to be decrypted
Returns
Error code

Definition at line 262 of file s32k1_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]cipherCipher algorithm
[in]contextCipher algorithm context
[in]pPlaintext to be encrypted
[out]cCiphertext resulting from the encryption
[in]lengthTotal number of data bytes to be encrypted
Returns
Error code

Definition at line 160 of file s32k1_crypto_cipher.c.