Xuyi Wang / wolfSSL

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wolfssl/wolfcrypt/arc4.h@16:048e5e270a58, 2019-11-19 (annotated)

Committer:
sPymbed
Date:
Tue Nov 19 14:32:16 2019 +0000
Revision:
16:048e5e270a58
Parent:
15:117db924cf7c 
working ssl

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wolfSSL 15:117db924cf7c 1 /* arc4.h
wolfSSL 15:117db924cf7c 2 *
wolfSSL 15:117db924cf7c 3 * Copyright (C) 2006-2017 wolfSSL Inc.
wolfSSL 15:117db924cf7c 4 *
wolfSSL 15:117db924cf7c 5 * This file is part of wolfSSL.
wolfSSL 15:117db924cf7c 6 *
wolfSSL 15:117db924cf7c 7 * wolfSSL is free software; you can redistribute it and/or modify
wolfSSL 15:117db924cf7c 8 * it under the terms of the GNU General Public License as published by
wolfSSL 15:117db924cf7c 9 * the Free Software Foundation; either version 2 of the License, or
wolfSSL 15:117db924cf7c 10 * (at your option) any later version.
wolfSSL 15:117db924cf7c 11 *
wolfSSL 15:117db924cf7c 12 * wolfSSL is distributed in the hope that it will be useful,
wolfSSL 15:117db924cf7c 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
wolfSSL 15:117db924cf7c 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
wolfSSL 15:117db924cf7c 15 * GNU General Public License for more details.
wolfSSL 15:117db924cf7c 16 *
wolfSSL 15:117db924cf7c 17 * You should have received a copy of the GNU General Public License
wolfSSL 15:117db924cf7c 18 * along with this program; if not, write to the Free Software
wolfSSL 15:117db924cf7c 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
wolfSSL 15:117db924cf7c 20 */
wolfSSL 15:117db924cf7c 21
wolfSSL 15:117db924cf7c 22 /*!
wolfSSL 15:117db924cf7c 23 \file wolfssl/wolfcrypt/arc4.h
wolfSSL 15:117db924cf7c 24 */
wolfSSL 15:117db924cf7c 25
wolfSSL 15:117db924cf7c 26 #ifndef WOLF_CRYPT_ARC4_H
wolfSSL 15:117db924cf7c 27 #define WOLF_CRYPT_ARC4_H
wolfSSL 15:117db924cf7c 28
wolfSSL 15:117db924cf7c 29 #include <wolfssl/wolfcrypt/types.h>
wolfSSL 15:117db924cf7c 30
wolfSSL 15:117db924cf7c 31 #ifdef __cplusplus
wolfSSL 15:117db924cf7c 32 extern "C" {
wolfSSL 15:117db924cf7c 33 #endif
wolfSSL 15:117db924cf7c 34
wolfSSL 15:117db924cf7c 35 #ifdef WOLFSSL_ASYNC_CRYPT
wolfSSL 15:117db924cf7c 36 #include <wolfssl/wolfcrypt/async.h>
wolfSSL 15:117db924cf7c 37 #endif
wolfSSL 15:117db924cf7c 38
wolfSSL 15:117db924cf7c 39 enum {
wolfSSL 15:117db924cf7c 40 ARC4_ENC_TYPE = 4, /* cipher unique type */
wolfSSL 15:117db924cf7c 41 ARC4_STATE_SIZE = 256,
wolfSSL 15:117db924cf7c 42 RC4_KEY_SIZE = 16, /* always 128bit */
wolfSSL 15:117db924cf7c 43 };
wolfSSL 15:117db924cf7c 44
wolfSSL 15:117db924cf7c 45 /* ARC4 encryption and decryption */
wolfSSL 15:117db924cf7c 46 typedef struct Arc4 {
wolfSSL 15:117db924cf7c 47 byte x;
wolfSSL 15:117db924cf7c 48 byte y;
wolfSSL 15:117db924cf7c 49 byte state[ARC4_STATE_SIZE];
wolfSSL 15:117db924cf7c 50 #ifdef WOLFSSL_ASYNC_CRYPT
wolfSSL 15:117db924cf7c 51 WC_ASYNC_DEV asyncDev;
wolfSSL 15:117db924cf7c 52 #endif
wolfSSL 15:117db924cf7c 53 void* heap;
wolfSSL 15:117db924cf7c 54 } Arc4;
wolfSSL 15:117db924cf7c 55
wolfSSL 15:117db924cf7c 56 WOLFSSL_API int wc_Arc4Process(Arc4*, byte*, const byte*, word32);
wolfSSL 15:117db924cf7c 57 WOLFSSL_API int wc_Arc4SetKey(Arc4*, const byte*, word32);
wolfSSL 15:117db924cf7c 58
wolfSSL 15:117db924cf7c 59 WOLFSSL_API int wc_Arc4Init(Arc4*, void*, int);
wolfSSL 15:117db924cf7c 60 WOLFSSL_API void wc_Arc4Free(Arc4*);
wolfSSL 15:117db924cf7c 61
wolfSSL 15:117db924cf7c 62 #ifdef __cplusplus
wolfSSL 15:117db924cf7c 63 } /* extern "C" */
wolfSSL 15:117db924cf7c 64 #endif
wolfSSL 15:117db924cf7c 65
wolfSSL 15:117db924cf7c 66
wolfSSL 15:117db924cf7c 67 #endif /* WOLF_CRYPT_ARC4_H */
wolfSSL 15:117db924cf7c 68
wolfSSL 15:117db924cf7c 69