1/*-
2 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * a) Redistributions of source code must retain the above copyright notice,
10 *   this list of conditions and the following disclaimer.
11 *
12 * b) Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in
14 *   the documentation and/or other materials provided with the distribution.
15 *
16 * c) Neither the name of Cisco Systems, Inc. nor the names of its
17 *    contributors may be used to endorse or promote products derived
18 *    from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30 * THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33#ifdef __FreeBSD__
34#include <sys/cdefs.h>
35__FBSDID("$FreeBSD$");
36#endif
37
38
39#ifndef __NETINET_SCTP_SHA1_H__
40#define __NETINET_SCTP_SHA1_H__
41
42#include <sys/types.h>
43#if defined(SCTP_USE_NSS_SHA1)
44#if defined(__Userspace_os_Darwin)
45/* The NSS sources require __APPLE__ to be defined.
46 * XXX: Remove this ugly hack once the platform defines have been cleaned up.
47 */
48#define __APPLE__
49#endif
50#include <pk11pub.h>
51#if defined(__Userspace_os_Darwin)
52#undef __APPLE__
53#endif
54#elif defined(SCTP_USE_OPENSSL_SHA1)
55#include <openssl/sha.h>
56#endif
57
58struct sctp_sha1_context {
59#if defined(SCTP_USE_NSS_SHA1)
60	struct PK11Context *pk11_ctx;
61#elif defined(SCTP_USE_OPENSSL_SHA1)
62	SHA_CTX sha_ctx;
63#else
64	unsigned int A;
65	unsigned int B;
66	unsigned int C;
67	unsigned int D;
68	unsigned int E;
69	unsigned int H0;
70	unsigned int H1;
71	unsigned int H2;
72	unsigned int H3;
73	unsigned int H4;
74	unsigned int words[80];
75	unsigned int TEMP;
76	/* block I am collecting to process */
77	char sha_block[64];
78	/* collected so far */
79	int how_many_in_block;
80	unsigned int running_total;
81#endif
82};
83
84#if (defined(__APPLE__) && defined(KERNEL))
85#ifndef _KERNEL
86#define _KERNEL
87#endif
88#endif
89
90#if defined(_KERNEL) || defined(__Userspace__)
91
92void sctp_sha1_init(struct sctp_sha1_context *);
93void sctp_sha1_update(struct sctp_sha1_context *, const unsigned char *, unsigned int);
94void sctp_sha1_final(unsigned char *, struct sctp_sha1_context *);
95
96#endif
97#endif
98