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Annotation of sys/crypto/arc4.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: arc4.h,v 1.2 2007/07/24 19:35:20 damien 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: void   rc4_crypt(struct rc4_ctx *, u_char *, u_char *, u_int32_t);
        !            28: void   rc4_skip(struct rc4_ctx *, u_int32_t);