1*86d7f5d3SJohn Marino 2*86d7f5d3SJohn Marino /* 3*86d7f5d3SJohn Marino * rc4.h 4*86d7f5d3SJohn Marino * 5*86d7f5d3SJohn Marino * Copyright (c) 1996-2000 Whistle Communications, Inc. 6*86d7f5d3SJohn Marino * All rights reserved. 7*86d7f5d3SJohn Marino * 8*86d7f5d3SJohn Marino * Subject to the following obligations and disclaimer of warranty, use and 9*86d7f5d3SJohn Marino * redistribution of this software, in source or object code forms, with or 10*86d7f5d3SJohn Marino * without modifications are expressly permitted by Whistle Communications; 11*86d7f5d3SJohn Marino * provided, however, that: 12*86d7f5d3SJohn Marino * 1. Any and all reproductions of the source or object code must include the 13*86d7f5d3SJohn Marino * copyright notice above and the following disclaimer of warranties; and 14*86d7f5d3SJohn Marino * 2. No rights are granted, in any manner or form, to use Whistle 15*86d7f5d3SJohn Marino * Communications, Inc. trademarks, including the mark "WHISTLE 16*86d7f5d3SJohn Marino * COMMUNICATIONS" on advertising, endorsements, or otherwise except as 17*86d7f5d3SJohn Marino * such appears in the above copyright notice or in the software. 18*86d7f5d3SJohn Marino * 19*86d7f5d3SJohn Marino * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND 20*86d7f5d3SJohn Marino * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO 21*86d7f5d3SJohn Marino * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE, 22*86d7f5d3SJohn Marino * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF 23*86d7f5d3SJohn Marino * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. 24*86d7f5d3SJohn Marino * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY 25*86d7f5d3SJohn Marino * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS 26*86d7f5d3SJohn Marino * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE. 27*86d7f5d3SJohn Marino * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES 28*86d7f5d3SJohn Marino * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING 29*86d7f5d3SJohn Marino * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 30*86d7f5d3SJohn Marino * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR 31*86d7f5d3SJohn Marino * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY 32*86d7f5d3SJohn Marino * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 33*86d7f5d3SJohn Marino * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 34*86d7f5d3SJohn Marino * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY 35*86d7f5d3SJohn Marino * OF SUCH DAMAGE. 36*86d7f5d3SJohn Marino * 37*86d7f5d3SJohn Marino * $FreeBSD: src/sys/crypto/rc4/rc4.h,v 1.3 2000/07/16 05:53:14 peter Exp $ 38*86d7f5d3SJohn Marino */ 39*86d7f5d3SJohn Marino 40*86d7f5d3SJohn Marino #ifndef _SYS_CRYPTO_RC4_RC4_H_ 41*86d7f5d3SJohn Marino #define _SYS_CRYPTO_RC4_RC4_H_ 42*86d7f5d3SJohn Marino 43*86d7f5d3SJohn Marino struct rc4_state { 44*86d7f5d3SJohn Marino u_char perm[256]; 45*86d7f5d3SJohn Marino u_char index1; 46*86d7f5d3SJohn Marino u_char index2; 47*86d7f5d3SJohn Marino }; 48*86d7f5d3SJohn Marino 49*86d7f5d3SJohn Marino extern void rc4_init(struct rc4_state *state, const u_char *key, int keylen); 50*86d7f5d3SJohn Marino extern void rc4_crypt(struct rc4_state *state, 51*86d7f5d3SJohn Marino const u_char *inbuf, u_char *outbuf, int buflen); 52*86d7f5d3SJohn Marino 53*86d7f5d3SJohn Marino #endif 54*86d7f5d3SJohn Marino 55