src/common/sha1_int.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * sha1_int.h
   4  *        Internal headers for fallback implementation of SHA1
   5  *
   6  * Portions Copyright (c) 1996-2024, PostgreSQL Global Development Group
   7  * Portions Copyright (c) 1994, Regents of the University of California
   8  *
   9  * IDENTIFICATION
  10  *                src/common/sha1_int.h
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14
  15 /*         $KAME: sha1.h,v 1.4 2000/02/22 14:01:18 itojun Exp $    */
  16
  17 /*
  18  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
  19  * All rights reserved.
  20  *
  21  * Redistribution and use in source and binary forms, with or without
  22  * modification, are permitted provided that the following conditions
  23  * are met:
  24  * 1. Redistributions of source code must retain the above copyright
  25  *        notice, this list of conditions and the following disclaimer.
  26  * 2. Redistributions in binary form must reproduce the above copyright
  27  *        notice, this list of conditions and the following disclaimer in the
  28  *        documentation and/or other materials provided with the distribution.
  29  * 3. Neither the name of the project nor the names of its contributors
  30  *        may be used to endorse or promote products derived from this software
  31  *        without specific prior written permission.
  32  *
  33  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  34  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  35  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  36  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  37  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  38  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  39  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  40  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  41  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  42  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  43  * SUCH DAMAGE.
  44  */
  45 /*
  46  * FIPS pub 180-1: Secure Hash Algorithm (SHA-1)
  47  * based on: http://www.itl.nist.gov/fipspubs/fip180-1.htm
  48  * implemented by Jun-ichiro itojun Itoh <itojun@itojun.org>
  49  */
  50
  51 #ifndef PG_SHA1_INT_H
  52 #define PG_SHA1_INT_H
  53
  54 #include "common/sha1.h"
  55
  56 typedef struct
  57 {
  58         union
  59         {
  60                 uint8           b8[20];
  61                 uint32          b32[5];
  62         }                       h;
  63         union
  64         {
  65                 uint8           b8[8];
  66                 uint64          b64[1];
  67         }                       c;
  68         union
  69         {
  70                 uint8           b8[64];
  71                 uint32          b32[16];
  72         }                       m;
  73         uint8           count;
  74 } pg_sha1_ctx;
  75
  76 /* Interface routines for SHA1 */
  77 extern void pg_sha1_init(pg_sha1_ctx *ctx);
  78 extern void pg_sha1_update(pg_sha1_ctx *ctx, const uint8 *data, size_t len);
  79 extern void pg_sha1_final(pg_sha1_ctx *ctx, uint8 *dest);
  80
  81 #endif                                                  /* PG_SHA1_INT_H */