/usr/include/wolfssl/wolfcrypt/arc4.h is in libwolfssl-dev 3.13.0+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 | /* arc4.h
*
* Copyright (C) 2006-2017 wolfSSL Inc.
*
* This file is part of wolfSSL.
*
* wolfSSL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* wolfSSL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
*/
#ifndef WOLF_CRYPT_ARC4_H
#define WOLF_CRYPT_ARC4_H
#include <wolfssl/wolfcrypt/types.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifdef WOLFSSL_ASYNC_CRYPT
#include <wolfssl/wolfcrypt/async.h>
#endif
enum {
ARC4_ENC_TYPE = 4, /* cipher unique type */
ARC4_STATE_SIZE = 256
};
/* ARC4 encryption and decryption */
typedef struct Arc4 {
byte x;
byte y;
byte state[ARC4_STATE_SIZE];
#ifdef WOLFSSL_ASYNC_CRYPT
WC_ASYNC_DEV asyncDev;
#endif
void* heap;
} Arc4;
WOLFSSL_API int wc_Arc4Process(Arc4*, byte*, const byte*, word32);
WOLFSSL_API int wc_Arc4SetKey(Arc4*, const byte*, word32);
WOLFSSL_API int wc_Arc4Init(Arc4*, void*, int);
WOLFSSL_API void wc_Arc4Free(Arc4*);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* WOLF_CRYPT_ARC4_H */
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