1 /* $KAME: sctp_sha1.h,v 1.4 2002/10/09 18:01:22 itojun Exp $ */
2 /* $DragonFly: src/sys/netinet/sctp_sha1.h,v 1.1 2005/07/15 14:46:17 eirikn Exp $ */
4 #ifndef __SCTP_SLA1_h__
5 #define __SCTP_SLA1_h__
7 * Copyright (c) 2001, 2002, 2004 Cisco Systems, Inc.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by Cisco Systems, Inc.
21 * 4. Neither the name of the project nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY CISCO SYSTEMS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL CISCO SYSTEMS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 #include <sys/types.h>
50 unsigned int words[80];
52 /* block I am collecting to process */
54 /* collected so far */
55 int how_many_in_block;
56 unsigned int running_total;
60 #define F1(B,C,D) (((B & C) | ((~B) & D))) /* 0 <= t <= 19 */
61 #define F2(B,C,D) (B ^ C ^ D) /* 20 <= t <= 39 */
62 #define F3(B,C,D) ((B & C) | (B & D) | (C & D)) /* 40 <= t <= 59 */
63 #define F4(B,C,D) (B ^ C ^ D) /* 600 <= t <= 79 */
66 #define CSHIFT(A,B) ((B << A) | (B >> (32-A)))
68 #define K1 0x5a827999 /* 0 <= t <= 19 */
69 #define K2 0x6ed9eba1 /* 20 <= t <= 39 */
70 #define K3 0x8f1bbcdc /* 40 <= t <= 59 */
71 #define K4 0xca62c1d6 /* 60 <= t <= 79 */
73 #define H0INIT 0x67452301
74 #define H1INIT 0xefcdab89
75 #define H2INIT 0x98badcfe
76 #define H3INIT 0x10325476
77 #define H4INIT 0xc3d2e1f0
79 #if defined(_KERNEL) || (defined(__APPLE__) && defined(KERNEL))
81 void SHA1_Init(struct sha1_context *);
82 void SHA1_Process(struct sha1_context *, unsigned char *, int);
83 void SHA1_Final(struct sha1_context *, unsigned char *);