rc4.h

00001 /* rc4.h
00002  *
00003  * Copyright (C) 2006-2020 wolfSSL Inc.
00004  *
00005  * This file is part of wolfSSL.
00006  *
00007  * wolfSSL is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 2 of the License, or
00010  * (at your option) any later version.
00011  *
00012  * wolfSSL is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
00020  */
00021 
00022 
00023 
00024 /*  rc4.h defines mini des openssl compatibility layer
00025  *
00026  */
00027 
00028 #ifndef WOLFSSL_RC4_COMPAT_H_
00029 #define WOLFSSL_RC4_COMPAT_H_
00030 
00031 #include <wolfssl/wolfcrypt/settings.h>
00032 #include <wolfssl/openssl/ssl.h> /* included for size_t */
00033 
00034 #ifdef __cplusplus
00035     extern "C" {
00036 #endif
00037 
00038 /* applications including wolfssl/openssl/rc4.h are expecting to have access to
00039  * the size of RC4_KEY structures. */
00040 typedef struct WOLFSSL_RC4_KEY {
00041     /* big enough for Arc4 from wolfssl/wolfcrypt/arc4.h */
00042     void* holder[(272 + WC_ASYNC_DEV_SIZE) / sizeof(void*)];
00043 } WOLFSSL_RC4_KEY;
00044 typedef WOLFSSL_RC4_KEY RC4_KEY;
00045 
00046 WOLFSSL_API void wolfSSL_RC4_set_key(WOLFSSL_RC4_KEY* key, int len,
00047         const unsigned char* data);
00048 WOLFSSL_API void wolfSSL_RC4(WOLFSSL_RC4_KEY* key, size_t len,
00049         const unsigned char* in, unsigned char* out);
00050 
00051 #define RC4         wolfSSL_RC4
00052 #define RC4_set_key wolfSSL_RC4_set_key
00053 
00054 #ifdef __cplusplus
00055     }  /* extern "C" */
00056 #endif
00057 
00058 #endif /* WOLFSSL_RC4_COMPAT_H_ */
00059 
00060