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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 PURPOS
E | |
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 __SCTP_SHA1_h__ | |
40 #define __SCTP_SHA1_h__ | |
41 | |
42 #include <sys/types.h> | |
43 | |
44 #if !defined(SSL_USE_OPENSSL) && !defined(SSL_USE_NSS) | |
45 #if defined(WIN32) | |
46 | |
47 #define SCTP_USE_SCTP_SHA1 1 | |
48 | |
49 #else // defined(WIN32) | |
50 | |
51 #if defined(HAVE_OPENSSL_SSL_H) | |
52 #define SSL_USE_OPENSSL 1 | |
53 #elif defined(HAVE_NSS_SSL_H) | |
54 #define SSL_USE_NSS 1 | |
55 #else | |
56 #define SCTP_USE_SCTP_SHA1 | |
57 #endif | |
58 | |
59 #endif // !defined(WIN32) | |
60 #endif | |
61 | |
62 #if defined(SSL_USE_NSS) | |
63 #include <netinet/sctp_nss_sha1.h> | |
64 #elif defined(SSL_USE_OPENSSL) | |
65 #include <netinet/sctp_openssl_sha1.h> | |
66 #else // SCTP_USE_SCTP_SHA1 | |
67 struct sha1_context { | |
68 unsigned int A; | |
69 unsigned int B; | |
70 unsigned int C; | |
71 unsigned int D; | |
72 unsigned int E; | |
73 unsigned int H0; | |
74 unsigned int H1; | |
75 unsigned int H2; | |
76 unsigned int H3; | |
77 unsigned int H4; | |
78 unsigned int words[80]; | |
79 unsigned int TEMP; | |
80 /* block I am collecting to process */ | |
81 char sha_block[64]; | |
82 /* collected so far */ | |
83 int how_many_in_block; | |
84 unsigned int running_total; | |
85 }; | |
86 typedef struct sha1_context SHA1_CTX; | |
87 | |
88 #define F1(B,C,D) (((B & C) | ((~B) & D))) /* 0 <= t <= 19 */ | |
89 #define F2(B,C,D) (B ^ C ^ D) /* 20 <= t <= 39 */ | |
90 #define F3(B,C,D) ((B & C) | (B & D) | (C & D)) /* 40 <= t <= 59 */ | |
91 #define F4(B,C,D) (B ^ C ^ D) /* 600 <= t <= 79 */ | |
92 | |
93 /* circular shift */ | |
94 #define CSHIFT(A,B) ((B << A) | (B >> (32-A))) | |
95 | |
96 #define K1 0x5a827999 /* 0 <= t <= 19 */ | |
97 #define K2 0x6ed9eba1 /* 20 <= t <= 39 */ | |
98 #define K3 0x8f1bbcdc /* 40 <= t <= 59 */ | |
99 #define K4 0xca62c1d6 /* 60 <= t <= 79 */ | |
100 | |
101 #define H0INIT 0x67452301 | |
102 #define H1INIT 0xefcdab89 | |
103 #define H2INIT 0x98badcfe | |
104 #define H3INIT 0x10325476 | |
105 #define H4INIT 0xc3d2e1f0 | |
106 | |
107 | |
108 #if (defined(__APPLE__) && defined(KERNEL)) | |
109 #ifndef _KERNEL | |
110 #define _KERNEL | |
111 #endif | |
112 #endif | |
113 | |
114 #if defined(_KERNEL) || defined(__Userspace__) | |
115 | |
116 void SHA1_Init(struct sha1_context *); | |
117 void SHA1_Update(struct sha1_context *, const unsigned char *, int); | |
118 void SHA1_Final(unsigned char *, struct sha1_context *); | |
119 | |
120 #endif /* _KERNEL */ | |
121 #endif /* !defined(SSL_USE_OPENSSL) && !defined(SSL_USE_NSS) */ | |
122 #endif /* __SCTP_SHA1_h__ */ | |
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