Sergey Pastor
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chacha.c File Reference
ChaCha encryption algorithm. More...
Go to the source code of this file.
Functions | |
| error_t | chachaInit (ChachaContext *context, uint_t nr, const uint8_t *key, size_t keyLength, const uint8_t *nonce, size_t nonceLength) |
| Initialize ChaCha context using the supplied key and nonce. | |
| void | chachaCipher (ChachaContext *context, const uint8_t *input, uint8_t *output, size_t length) |
| Encrypt/decrypt data with the ChaCha algorithm. | |
| void | chachaProcessBlock (ChachaContext *context) |
| Generate a keystream block. | |
Detailed Description
ChaCha encryption algorithm.
License
Copyright (C) 2010-2017 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:
- 1.7.6
Definition in file chacha.c.
Function Documentation
| void chachaCipher | ( | ChachaContext * | context, |
| const uint8_t * | input, | ||
| uint8_t * | output, | ||
| size_t | length | ||
| ) |
| error_t chachaInit | ( | ChachaContext * | context, |
| uint_t | nr, | ||
| const uint8_t * | key, | ||
| size_t | keyLength, | ||
| const uint8_t * | nonce, | ||
| size_t | nonceLength | ||
| ) |
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] keyLength Length of the key, in bytes (16 or 32) [in] nonce Pointer to the nonce [in] nonceLength Length of the nonce, in bytes (8 or 12)
- Returns:
- Error code
| void chachaProcessBlock | ( | ChachaContext * | context ) |
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