MultiTech / CyaSSL

A library for setting up Secure Socket Layer (SSL) connections and verifying remote hosts using certificates. Contains only the source files for mbed platform implementation of the library.

Dependents:   HTTPClient-SSL HTTPClient-SSL HTTPClient-SSL HTTPClient-SSL

cyassl/ctaocrypt/chacha.h@6:cf58d49e1a86, 2015-03-23 (annotated)

Committer:
Mike Fiore
Date:
Mon Mar 23 16:51:07 2015 -0500
Revision:
6:cf58d49e1a86
Parent:
0:b86d15c6ba29 
fix whitespace in sha512.c

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Vanger 0:b86d15c6ba29 1 /* chacha.h
Vanger 0:b86d15c6ba29 2 *
Vanger 0:b86d15c6ba29 3 * Copyright (C) 2006-2014 wolfSSL Inc.
Vanger 0:b86d15c6ba29 4 *
Vanger 0:b86d15c6ba29 5 * This file is part of CyaSSL.
Vanger 0:b86d15c6ba29 6 *
Vanger 0:b86d15c6ba29 7 * CyaSSL is free software; you can redistribute it and/or modify
Vanger 0:b86d15c6ba29 8 * it under the terms of the GNU General Public License as published by
Vanger 0:b86d15c6ba29 9 * the Free Software Foundation; either version 2 of the License, or
Vanger 0:b86d15c6ba29 10 * (at your option) any later version.
Vanger 0:b86d15c6ba29 11 *
Vanger 0:b86d15c6ba29 12 * CyaSSL is distributed in the hope that it will be useful,
Vanger 0:b86d15c6ba29 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
Vanger 0:b86d15c6ba29 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Vanger 0:b86d15c6ba29 15 * GNU General Public License for more details.
Vanger 0:b86d15c6ba29 16 *
Vanger 0:b86d15c6ba29 17 * You should have received a copy of the GNU General Public License
Vanger 0:b86d15c6ba29 18 * along with this program; if not, write to the Free Software
Vanger 0:b86d15c6ba29 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
Vanger 0:b86d15c6ba29 20 */
Vanger 0:b86d15c6ba29 21
Vanger 0:b86d15c6ba29 22 #ifndef CTAO_CRYPT_CHACHA_H
Vanger 0:b86d15c6ba29 23 #define CTAO_CRYPT_CHACHA_H
Vanger 0:b86d15c6ba29 24
Vanger 0:b86d15c6ba29 25 #include "types.h"
Vanger 0:b86d15c6ba29 26
Vanger 0:b86d15c6ba29 27 #ifdef __cplusplus
Vanger 0:b86d15c6ba29 28 extern "C" {
Vanger 0:b86d15c6ba29 29 #endif
Vanger 0:b86d15c6ba29 30
Vanger 0:b86d15c6ba29 31
Vanger 0:b86d15c6ba29 32 enum {
Vanger 0:b86d15c6ba29 33 CHACHA_ENC_TYPE = 7 /* cipher unique type */
Vanger 0:b86d15c6ba29 34 };
Vanger 0:b86d15c6ba29 35
Vanger 0:b86d15c6ba29 36 typedef struct ChaCha {
Vanger 0:b86d15c6ba29 37 word32 X[16]; /* state of cipher */
Vanger 0:b86d15c6ba29 38 } ChaCha;
Vanger 0:b86d15c6ba29 39
Vanger 0:b86d15c6ba29 40 CYASSL_API int Chacha_Process(ChaCha* ctx, byte* cipher, const byte* plain,
Vanger 0:b86d15c6ba29 41 word32 msglen);
Vanger 0:b86d15c6ba29 42 CYASSL_API int Chacha_SetKey(ChaCha* ctx, const byte* key, word32 keySz);
Vanger 0:b86d15c6ba29 43
Vanger 0:b86d15c6ba29 44 /**
Vanger 0:b86d15c6ba29 45 * IV(nonce) changes with each record
Vanger 0:b86d15c6ba29 46 * counter is for what value the block counter should start ... usually 0
Vanger 0:b86d15c6ba29 47 */
Vanger 0:b86d15c6ba29 48 CYASSL_API int Chacha_SetIV(ChaCha* ctx, const byte* inIv, word32 counter);
Vanger 0:b86d15c6ba29 49
Vanger 0:b86d15c6ba29 50 #ifdef __cplusplus
Vanger 0:b86d15c6ba29 51 } /* extern "C" */
Vanger 0:b86d15c6ba29 52 #endif
Vanger 0:b86d15c6ba29 53
Vanger 0:b86d15c6ba29 54 #endif
Vanger 0:b86d15c6ba29 55