arc4.h

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    1 /*      $OpenBSD: arc4.h,v 1.3 2007/09/11 12:07:05 djm Exp $    */
    2 /*
    3  * Copyright (c) 2003 Markus Friedl <markus@openbsd.org>
    4  *
    5  * Permission to use, copy, modify, and distribute this software for any
    6  * purpose with or without fee is hereby granted, provided that the above
    7  * copyright notice and this permission notice appear in all copies.
    8  *
    9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   16  */
   17 
   18 #define RC4STATE 256
   19 #define RC4KEYLEN 16
   20 
   21 struct rc4_ctx {
   22         u_int8_t x, y;
   23         u_int8_t state[RC4STATE];
   24 };
   25 
   26 void    rc4_keysetup(struct rc4_ctx *, u_char *, u_int32_t)
   27     __attribute__((__bounded__(__buffer__,2,3)));
   28 void    rc4_crypt(struct rc4_ctx *, u_char *, u_char *, u_int32_t)
   29     __attribute__((__bounded__(__buffer__,2,4)))
   30     __attribute__((__bounded__(__buffer__,3,4)));
   31 void    rc4_getbytes(struct rc4_ctx *, u_char *, u_int32_t)
   32     __attribute__((__bounded__(__buffer__,2,3)));
   33 void    rc4_skip(struct rc4_ctx *, u_int32_t);

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FreeBSD/Linux Kernel Cross Reference sys/crypto/arc4.h

FreeBSD/Linux Kernel Cross Reference
sys/crypto/arc4.h