ra4_crypto_cipher.c File Reference

RA4 cipher hardware accelerator. More...

#include "hw_sce_private.h"
#include "hw_sce_ra_private.h"
#include "hw_sce_aes_private.h"
#include "core/crypto.h"
#include "hardware/ra4/ra4_crypto.h"
#include "hardware/ra4/ra4_crypto_cipher.h"
#include "cipher/cipher_algorithms.h"
#include "cipher_modes/cipher_modes.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 aesProcessData (AesContext *context, uint8_t *iv, const uint8_t *input, uint8_t *output, size_t length, uint32_t command)
 Perform AES encryption or decryption. More...
 
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 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...
 
error_t ccmEncrypt (const CipherAlgo *cipher, void *context, const uint8_t *n, size_t nLen, const uint8_t *a, size_t aLen, const uint8_t *p, uint8_t *c, size_t length, uint8_t *t, size_t tLen)
 Authenticated encryption using CCM. More...
 
error_t ccmDecrypt (const CipherAlgo *cipher, void *context, const uint8_t *n, size_t nLen, const uint8_t *a, size_t aLen, const uint8_t *c, uint8_t *p, size_t length, const uint8_t *t, size_t tLen)
 Authenticated decryption using CCM. More...
 

Detailed Description

RA4 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 ra4_crypto_cipher.c.

Macro Definition Documentation

◆ TRACE_LEVEL

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Definition at line 32 of file ra4_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]contextPointer to the AES context
[in]inputCiphertext block to decrypt
[out]outputPlaintext block resulting from decryption

Definition at line 269 of file ra4_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]contextPointer to the AES context
[in]inputPlaintext block to encrypt
[out]outputCiphertext block resulting from encryption

Definition at line 254 of file ra4_crypto_cipher.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 194 of file ra4_crypto_cipher.c.

◆ aesProcessData()

error_t aesProcessData ( AesContext context,
uint8_t *  iv,
const uint8_t *  input,
uint8_t *  output,
size_t  length,
uint32_t  command 
)

Perform AES encryption or decryption.

Parameters
[in]contextAES algorithm context
[in,out]ivInitialization vector
[in]inputData to be encrypted/decrypted
[out]outputData resulting from the encryption/decryption process
[in]lengthTotal number of data bytes to be processed
[in]commandOperation mode
Returns
Status code

Definition at line 61 of file ra4_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 504 of file ra4_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 420 of file ra4_crypto_cipher.c.

◆ ccmDecrypt()

error_t ccmDecrypt ( const CipherAlgo cipher,
void *  context,
const uint8_t *  n,
size_t  nLen,
const uint8_t *  a,
size_t  aLen,
const uint8_t *  c,
uint8_t *  p,
size_t  length,
const uint8_t *  t,
size_t  tLen 
)

Authenticated decryption using CCM.

Parameters
[in]cipherCipher algorithm
[in]contextCipher algorithm context
[in]nNonce
[in]nLenLength of the nonce
[in]aAdditional authenticated data
[in]aLenLength of the additional data
[in]cCiphertext to be decrypted
[out]pPlaintext resulting from the decryption
[in]lengthTotal number of data bytes to be decrypted
[in]tMAC to be verified
[in]tLenLength of the MAC
Returns
Error code

Definition at line 1380 of file ra4_crypto_cipher.c.

◆ ccmEncrypt()

error_t ccmEncrypt ( const CipherAlgo cipher,
void *  context,
const uint8_t *  n,
size_t  nLen,
const uint8_t *  a,
size_t  aLen,
const uint8_t *  p,
uint8_t *  c,
size_t  length,
uint8_t *  t,
size_t  tLen 
)

Authenticated encryption using CCM.

Parameters
[in]cipherCipher algorithm
[in]contextCipher algorithm context
[in]nNonce
[in]nLenLength of the nonce
[in]aAdditional authenticated data
[in]aLenLength of the additional data
[in]pPlaintext to be encrypted
[out]cCiphertext resulting from the encryption
[in]lengthTotal number of data bytes to be encrypted
[out]tMAC resulting from the encryption process
[in]tLenLength of the MAC
Returns
Error code

Definition at line 1192 of file ra4_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]cipherCipher algorithm
[in]contextCipher algorithm context
[in]mSize in bits of the specific part of the block to be incremented
[in,out]tInitial counter block
[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 599 of file ra4_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 353 of file ra4_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 289 of file ra4_crypto_cipher.c.