ChaCha encryption algorithm. More...
#include "core/crypto.h"Go to the source code of this file.
Data Structures | |
| struct | ChachaContext |
| ChaCha algorithm context. More... | |
Functions | |
| error_t | chachaInit (ChachaContext *context, uint_t nr, const uint8_t *key, size_t keyLen, const uint8_t *nonce, size_t nonceLen) |
| Initialize ChaCha context using the supplied key and nonce. More... | |
| void | chachaCipher (ChachaContext *context, const uint8_t *input, uint8_t *output, size_t length) |
| Encrypt/decrypt data with the ChaCha algorithm. More... | |
| void | chachaProcessBlock (ChachaContext *context) |
| Generate a keystream block. More... | |
| void | chachaDeinit (ChachaContext *context) |
| Release ChaCha context. More... | |
Detailed Description
ChaCha encryption algorithm.
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.
- Version
- 2.4.4
Definition in file chacha.h.
Function Documentation
◆ chachaCipher()
| void chachaCipher | ( | ChachaContext * | context, |
| const uint8_t * | input, | ||
| uint8_t * | output, | ||
| size_t | length | ||
| ) |
◆ chachaDeinit()
| void chachaDeinit | ( | ChachaContext * | context | ) |
◆ chachaInit()
| error_t chachaInit | ( | ChachaContext * | context, |
| uint_t | nr, | ||
| const uint8_t * | key, | ||
| size_t | keyLen, | ||
| const uint8_t * | nonce, | ||
| size_t | nonceLen | ||
| ) |
Initialize ChaCha context using the supplied key and nonce.
- Parameters
-
[in] context Pointer to the ChaCha context to initialize [in] nr Number of rounds to be applied (8, 12 or 20) [in] key Pointer to the key [in] keyLen Length of the key, in bytes (16 or 32) [in] nonce Pointer to the nonce [in] nonceLen Length of the nonce, in bytes (8 or 12)
- Returns
- Error code
◆ chachaProcessBlock()
| void chachaProcessBlock | ( | ChachaContext * | context | ) |