The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/crypto/sha1.h

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    1 /*      $FreeBSD: releng/9.2/sys/crypto/sha1.h 92756 2002-03-20 05:14:42Z alfred $      */
    2 /*      $KAME: sha1.h,v 1.5 2000/03/27 04:36:23 sumikawa Exp $  */
    3 
    4 /*
    5  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
    6  * All rights reserved.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  * 3. Neither the name of the project nor the names of its contributors
   17  *    may be used to endorse or promote products derived from this software
   18  *    without specific prior written permission.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
   21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
   24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   30  * SUCH DAMAGE.
   31  */
   32 /*
   33  * FIPS pub 180-1: Secure Hash Algorithm (SHA-1)
   34  * based on: http://csrc.nist.gov/fips/fip180-1.txt
   35  * implemented by Jun-ichiro itojun Itoh <itojun@itojun.org>
   36  */
   37 
   38 #ifndef _NETINET6_SHA1_H_
   39 #define _NETINET6_SHA1_H_
   40 
   41 struct sha1_ctxt {
   42         union {
   43                 u_int8_t        b8[20];
   44                 u_int32_t       b32[5];
   45         } h;
   46         union {
   47                 u_int8_t        b8[8];
   48                 u_int64_t       b64[1];
   49         } c;
   50         union {
   51                 u_int8_t        b8[64];
   52                 u_int32_t       b32[16];
   53         } m;
   54         u_int8_t        count;
   55 };
   56 
   57 #ifdef _KERNEL
   58 extern void sha1_init(struct sha1_ctxt *);
   59 extern void sha1_pad(struct sha1_ctxt *);
   60 extern void sha1_loop(struct sha1_ctxt *, const u_int8_t *, size_t);
   61 extern void sha1_result(struct sha1_ctxt *, caddr_t);
   62 
   63 /* compatibilty with other SHA1 source codes */
   64 typedef struct sha1_ctxt SHA1_CTX;
   65 #define SHA1Init(x)             sha1_init((x))
   66 #define SHA1Update(x, y, z)     sha1_loop((x), (y), (z))
   67 #define SHA1Final(x, y)         sha1_result((y), (x))
   68 #endif /* _KERNEL */
   69 
   70 #define SHA1_RESULTLEN  (160/8)
   71 
   72 #endif /*_NETINET6_SHA1_H_*/

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