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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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