Xuyi Wang / wolfcrypt

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wolfcrypt/arc4.h@1:e4ea39eba2fb, 2019-11-25 (annotated)

Committer:
sPymbed
Date:
Mon Nov 25 14:23:49 2019 +0000
Revision:
1:e4ea39eba2fb
Parent:
0:1387ff3eed4a 
improved

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sPymbed 0:1387ff3eed4a 1 /* arc4.h
sPymbed 0:1387ff3eed4a 2 *
sPymbed 0:1387ff3eed4a 3 * Copyright (C) 2006-2017 wolfSSL Inc.
sPymbed 0:1387ff3eed4a 4 *
sPymbed 0:1387ff3eed4a 5 * This file is part of wolfSSL.
sPymbed 0:1387ff3eed4a 6 *
sPymbed 0:1387ff3eed4a 7 * wolfSSL is free software; you can redistribute it and/or modify
sPymbed 0:1387ff3eed4a 8 * it under the terms of the GNU General Public License as published by
sPymbed 0:1387ff3eed4a 9 * the Free Software Foundation; either version 2 of the License, or
sPymbed 0:1387ff3eed4a 10 * (at your option) any later version.
sPymbed 0:1387ff3eed4a 11 *
sPymbed 0:1387ff3eed4a 12 * wolfSSL is distributed in the hope that it will be useful,
sPymbed 0:1387ff3eed4a 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
sPymbed 0:1387ff3eed4a 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
sPymbed 0:1387ff3eed4a 15 * GNU General Public License for more details.
sPymbed 0:1387ff3eed4a 16 *
sPymbed 0:1387ff3eed4a 17 * You should have received a copy of the GNU General Public License
sPymbed 0:1387ff3eed4a 18 * along with this program; if not, write to the Free Software
sPymbed 0:1387ff3eed4a 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
sPymbed 0:1387ff3eed4a 20 */
sPymbed 0:1387ff3eed4a 21
sPymbed 0:1387ff3eed4a 22 /*!
sPymbed 0:1387ff3eed4a 23 \file wolfssl/wolfcrypt/arc4.h
sPymbed 0:1387ff3eed4a 24 */
sPymbed 0:1387ff3eed4a 25
sPymbed 0:1387ff3eed4a 26 #ifndef WOLF_CRYPT_ARC4_H
sPymbed 0:1387ff3eed4a 27 #define WOLF_CRYPT_ARC4_H
sPymbed 0:1387ff3eed4a 28
sPymbed 0:1387ff3eed4a 29 #include <wolfcrypt/types.h>
sPymbed 0:1387ff3eed4a 30
sPymbed 0:1387ff3eed4a 31 #ifdef __cplusplus
sPymbed 0:1387ff3eed4a 32 extern "C" {
sPymbed 0:1387ff3eed4a 33 #endif
sPymbed 0:1387ff3eed4a 34
sPymbed 0:1387ff3eed4a 35 #ifdef WOLFSSL_ASYNC_CRYPT
sPymbed 0:1387ff3eed4a 36 #include <wolfcrypt/async.h>
sPymbed 0:1387ff3eed4a 37 #endif
sPymbed 0:1387ff3eed4a 38
sPymbed 0:1387ff3eed4a 39 enum {
sPymbed 0:1387ff3eed4a 40 ARC4_ENC_TYPE = 4, /* cipher unique type */
sPymbed 0:1387ff3eed4a 41 ARC4_STATE_SIZE = 256,
sPymbed 0:1387ff3eed4a 42 RC4_KEY_SIZE = 16, /* always 128bit */
sPymbed 0:1387ff3eed4a 43 };
sPymbed 0:1387ff3eed4a 44
sPymbed 0:1387ff3eed4a 45 /* ARC4 encryption and decryption */
sPymbed 0:1387ff3eed4a 46 typedef struct Arc4 {
sPymbed 0:1387ff3eed4a 47 byte x;
sPymbed 0:1387ff3eed4a 48 byte y;
sPymbed 0:1387ff3eed4a 49 byte state[ARC4_STATE_SIZE];
sPymbed 0:1387ff3eed4a 50 #ifdef WOLFSSL_ASYNC_CRYPT
sPymbed 0:1387ff3eed4a 51 WC_ASYNC_DEV asyncDev;
sPymbed 0:1387ff3eed4a 52 #endif
sPymbed 0:1387ff3eed4a 53 void* heap;
sPymbed 0:1387ff3eed4a 54 } Arc4;
sPymbed 0:1387ff3eed4a 55
sPymbed 0:1387ff3eed4a 56 WOLFSSL_API int wc_Arc4Process(Arc4*, byte*, const byte*, word32);
sPymbed 0:1387ff3eed4a 57 WOLFSSL_API int wc_Arc4SetKey(Arc4*, const byte*, word32);
sPymbed 0:1387ff3eed4a 58
sPymbed 0:1387ff3eed4a 59 WOLFSSL_API int wc_Arc4Init(Arc4*, void*, int);
sPymbed 0:1387ff3eed4a 60 WOLFSSL_API void wc_Arc4Free(Arc4*);
sPymbed 0:1387ff3eed4a 61
sPymbed 0:1387ff3eed4a 62 #ifdef __cplusplus
sPymbed 0:1387ff3eed4a 63 } /* extern "C" */
sPymbed 0:1387ff3eed4a 64 #endif
sPymbed 0:1387ff3eed4a 65
sPymbed 0:1387ff3eed4a 66
sPymbed 0:1387ff3eed4a 67 #endif /* WOLF_CRYPT_ARC4_H */
sPymbed 0:1387ff3eed4a 68
sPymbed 0:1387ff3eed4a 69