wolf SSL
wolfSSL 3.11.1 for TLS1.3 beta
wolfssl/wolfcrypt/chacha.h@0:d92f9d21154c, 2015-06-26 (annotated)
- Committer:
- wolfSSL
- Date:
- Fri Jun 26 00:39:20 2015 +0000
- Revision:
- 0:d92f9d21154c
wolfSSL 3.6.0
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| wolfSSL | 0:d92f9d21154c | 1 | /* chacha.h |
| wolfSSL | 0:d92f9d21154c | 2 | * |
| wolfSSL | 0:d92f9d21154c | 3 | * Copyright (C) 2006-2015 wolfSSL Inc. |
| wolfSSL | 0:d92f9d21154c | 4 | * |
| wolfSSL | 0:d92f9d21154c | 5 | * This file is part of wolfSSL. (formerly known as CyaSSL) |
| wolfSSL | 0:d92f9d21154c | 6 | * |
| wolfSSL | 0:d92f9d21154c | 7 | * wolfSSL is free software; you can redistribute it and/or modify |
| wolfSSL | 0:d92f9d21154c | 8 | * it under the terms of the GNU General Public License as published by |
| wolfSSL | 0:d92f9d21154c | 9 | * the Free Software Foundation; either version 2 of the License, or |
| wolfSSL | 0:d92f9d21154c | 10 | * (at your option) any later version. |
| wolfSSL | 0:d92f9d21154c | 11 | * |
| wolfSSL | 0:d92f9d21154c | 12 | * wolfSSL is distributed in the hope that it will be useful, |
| wolfSSL | 0:d92f9d21154c | 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| wolfSSL | 0:d92f9d21154c | 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| wolfSSL | 0:d92f9d21154c | 15 | * GNU General Public License for more details. |
| wolfSSL | 0:d92f9d21154c | 16 | * |
| wolfSSL | 0:d92f9d21154c | 17 | * You should have received a copy of the GNU General Public License |
| wolfSSL | 0:d92f9d21154c | 18 | * along with this program; if not, write to the Free Software |
| wolfSSL | 0:d92f9d21154c | 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA |
| wolfSSL | 0:d92f9d21154c | 20 | */ |
| wolfSSL | 0:d92f9d21154c | 21 | |
| wolfSSL | 0:d92f9d21154c | 22 | #ifndef WOLF_CRYPT_CHACHA_H |
| wolfSSL | 0:d92f9d21154c | 23 | #define WOLF_CRYPT_CHACHA_H |
| wolfSSL | 0:d92f9d21154c | 24 | |
| wolfSSL | 0:d92f9d21154c | 25 | #include <wolfssl/wolfcrypt/types.h> |
| wolfSSL | 0:d92f9d21154c | 26 | |
| wolfSSL | 0:d92f9d21154c | 27 | #ifdef HAVE_CHACHA |
| wolfSSL | 0:d92f9d21154c | 28 | |
| wolfSSL | 0:d92f9d21154c | 29 | #ifdef __cplusplus |
| wolfSSL | 0:d92f9d21154c | 30 | extern "C" { |
| wolfSSL | 0:d92f9d21154c | 31 | #endif |
| wolfSSL | 0:d92f9d21154c | 32 | |
| wolfSSL | 0:d92f9d21154c | 33 | enum { |
| wolfSSL | 0:d92f9d21154c | 34 | CHACHA_ENC_TYPE = 7 /* cipher unique type */ |
| wolfSSL | 0:d92f9d21154c | 35 | }; |
| wolfSSL | 0:d92f9d21154c | 36 | |
| wolfSSL | 0:d92f9d21154c | 37 | typedef struct ChaCha { |
| wolfSSL | 0:d92f9d21154c | 38 | word32 X[16]; /* state of cipher */ |
| wolfSSL | 0:d92f9d21154c | 39 | } ChaCha; |
| wolfSSL | 0:d92f9d21154c | 40 | |
| wolfSSL | 0:d92f9d21154c | 41 | /** |
| wolfSSL | 0:d92f9d21154c | 42 | * IV(nonce) changes with each record |
| wolfSSL | 0:d92f9d21154c | 43 | * counter is for what value the block counter should start ... usually 0 |
| wolfSSL | 0:d92f9d21154c | 44 | */ |
| wolfSSL | 0:d92f9d21154c | 45 | WOLFSSL_API int wc_Chacha_SetIV(ChaCha* ctx, const byte* inIv, word32 counter); |
| wolfSSL | 0:d92f9d21154c | 46 | |
| wolfSSL | 0:d92f9d21154c | 47 | WOLFSSL_API int wc_Chacha_Process(ChaCha* ctx, byte* cipher, const byte* plain, |
| wolfSSL | 0:d92f9d21154c | 48 | word32 msglen); |
| wolfSSL | 0:d92f9d21154c | 49 | WOLFSSL_API int wc_Chacha_SetKey(ChaCha* ctx, const byte* key, word32 keySz); |
| wolfSSL | 0:d92f9d21154c | 50 | |
| wolfSSL | 0:d92f9d21154c | 51 | #ifdef __cplusplus |
| wolfSSL | 0:d92f9d21154c | 52 | } /* extern "C" */ |
| wolfSSL | 0:d92f9d21154c | 53 | #endif |
| wolfSSL | 0:d92f9d21154c | 54 | |
| wolfSSL | 0:d92f9d21154c | 55 | #endif /* HAVE_CHACHA */ |
| wolfSSL | 0:d92f9d21154c | 56 | #endif /* WOLF_CRYPT_CHACHA_H */ |
| wolfSSL | 0:d92f9d21154c | 57 | |
| wolfSSL | 0:d92f9d21154c | 58 |