1/*	$KAME: md5.h,v 1.1 2000/05/27 06:18:21 itojun Exp $	*/
2
3/*
4 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the project nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32#ifndef _NETINET6_MD5_H_
33#define _NETINET6_MD5_H_
34
35#define MD5_BUFLEN	64
36
37typedef struct {
38	union {
39		u_int32_t	md5_state32[4];
40		u_int8_t	md5_state8[16];
41	} md5_st;
42
43#define md5_sta		md5_st.md5_state32[0]
44#define md5_stb		md5_st.md5_state32[1]
45#define md5_stc		md5_st.md5_state32[2]
46#define md5_std		md5_st.md5_state32[3]
47#define md5_st8		md5_st.md5_state8
48
49	union {
50		u_int64_t	md5_count64;
51		u_int8_t	md5_count8[8];
52	} md5_count;
53#define md5_n	md5_count.md5_count64
54#define md5_n8	md5_count.md5_count8
55
56	u_int	md5_i;
57	u_int8_t	md5_buf[MD5_BUFLEN];
58} md5_ctxt;
59
60extern void md5_init __P((md5_ctxt *));
61extern void md5_loop __P((md5_ctxt *, u_int8_t *, u_int));
62extern void md5_pad __P((md5_ctxt *));
63extern void md5_result __P((u_int8_t *, md5_ctxt *));
64
65/* compatibility */
66#define MD5_CTX		md5_ctxt
67#define MD5Init(x)	md5_init((x))
68#define MD5Update(x, y, z)	md5_loop((x), (y), (z))
69#define MD5Final(x, y) \
70do {				\
71	md5_pad((y));		\
72	md5_result((x), (y));	\
73} while (0)
74
75#endif /* ! _NETINET6_MD5_H_*/
76