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/*-
* Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
* Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* a) Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* b) Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the distribution.
*
* c) Neither the name of Cisco Systems, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef __FreeBSD__
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#endif
#ifndef __SCTP_SHA1_h__
#define __SCTP_SHA1_h__
#include <sys/types.h>
#if !defined(SSL_USE_OPENSSL) && !defined(SSL_USE_NSS)
#if defined(WIN32)
#define SCTP_USE_SCTP_SHA1 1
#else // defined(WIN32)
#if defined(HAVE_OPENSSL_SSL_H)
#define SSL_USE_OPENSSL 1
#elif defined(HAVE_NSS_SSL_H)
#define SSL_USE_NSS 1
#else
#define SCTP_USE_SCTP_SHA1
#endif
#endif // !defined(WIN32)
#endif
#if defined(SSL_USE_NSS)
#include <netinet/sctp_nss_sha1.h>
#elif defined(SSL_USE_OPENSSL)
#include <netinet/sctp_openssl_sha1.h>
#else // SCTP_USE_SCTP_SHA1
struct sha1_context {
unsigned int A;
unsigned int B;
unsigned int C;
unsigned int D;
unsigned int E;
unsigned int H0;
unsigned int H1;
unsigned int H2;
unsigned int H3;
unsigned int H4;
unsigned int words[80];
unsigned int TEMP;
/* block I am collecting to process */
char sha_block[64];
/* collected so far */
int how_many_in_block;
unsigned int running_total;
};
typedef struct sha1_context SHA1_CTX;
#define F1(B,C,D) (((B & C) | ((~B) & D))) /* 0 <= t <= 19 */
#define F2(B,C,D) (B ^ C ^ D) /* 20 <= t <= 39 */
#define F3(B,C,D) ((B & C) | (B & D) | (C & D)) /* 40 <= t <= 59 */
#define F4(B,C,D) (B ^ C ^ D) /* 600 <= t <= 79 */
/* circular shift */
#define CSHIFT(A,B) ((B << A) | (B >> (32-A)))
#define K1 0x5a827999 /* 0 <= t <= 19 */
#define K2 0x6ed9eba1 /* 20 <= t <= 39 */
#define K3 0x8f1bbcdc /* 40 <= t <= 59 */
#define K4 0xca62c1d6 /* 60 <= t <= 79 */
#define H0INIT 0x67452301
#define H1INIT 0xefcdab89
#define H2INIT 0x98badcfe
#define H3INIT 0x10325476
#define H4INIT 0xc3d2e1f0
#if (defined(__APPLE__) && defined(KERNEL))
#ifndef _KERNEL
#define _KERNEL
#endif
#endif
#if defined(_KERNEL) || defined(__Userspace__)
void SHA1_Init(struct sha1_context *);
void SHA1_Update(struct sha1_context *, const unsigned char *, int);
void SHA1_Final(unsigned char *, struct sha1_context *);
#endif /* _KERNEL */
#endif /* !defined(SSL_USE_OPENSSL) && !defined(SSL_USE_NSS) */
#endif /* __SCTP_SHA1_h__ */
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