src/common/sha2_int.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * sha2_int.h
   4  *        Internal headers for fallback implementation of SHA{224,256,384,512}
   5  *
   6  * Portions Copyright (c) 2016-2023, PostgreSQL Global Development Group
   7  *
   8  * IDENTIFICATION
   9  *                src/common/sha2_int.h
  10  *
  11  *-------------------------------------------------------------------------
  12  */
  13
  14 /* $OpenBSD: sha2.h,v 1.2 2004/04/28 23:11:57 millert Exp $ */
  15
  16 /*
  17  * FILE:        sha2.h
  18  * AUTHOR:      Aaron D. Gifford <me@aarongifford.com>
  19  *
  20  * Copyright (c) 2000-2001, Aaron D. Gifford
  21  * All rights reserved.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the above copyright
  27  *        notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *        notice, this list of conditions and the following disclaimer in the
  30  *        documentation and/or other materials provided with the distribution.
  31  * 3. Neither the name of the copyright holder nor the names of contributors
  32  *        may be used to endorse or promote products derived from this software
  33  *        without specific prior written permission.
  34  *
  35  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND
  36  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  37  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  38  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE
  39  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  40  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  41  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  42  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  43  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  44  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  45  * SUCH DAMAGE.
  46  *
  47  * $From: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $
  48  */
  49
  50 #ifndef PG_SHA2_INT_H
  51 #define PG_SHA2_INT_H
  52
  53 #include "common/sha2.h"
  54
  55 typedef struct pg_sha256_ctx
  56 {
  57         uint32          state[8];
  58         uint64          bitcount;
  59         uint8           buffer[PG_SHA256_BLOCK_LENGTH];
  60 } pg_sha256_ctx;
  61 typedef struct pg_sha512_ctx
  62 {
  63         uint64          state[8];
  64         uint64          bitcount[2];
  65         uint8           buffer[PG_SHA512_BLOCK_LENGTH];
  66 } pg_sha512_ctx;
  67 typedef struct pg_sha256_ctx pg_sha224_ctx;
  68 typedef struct pg_sha512_ctx pg_sha384_ctx;
  69
  70 /* Interface routines for SHA224/256/384/512 */
  71 extern void pg_sha224_init(pg_sha224_ctx *ctx);
  72 extern void pg_sha224_update(pg_sha224_ctx *ctx, const uint8 *input0,
  73                                                          size_t len);
  74 extern void pg_sha224_final(pg_sha224_ctx *ctx, uint8 *dest);
  75
  76 extern void pg_sha256_init(pg_sha256_ctx *ctx);
  77 extern void pg_sha256_update(pg_sha256_ctx *ctx, const uint8 *input0,
  78                                                          size_t len);
  79 extern void pg_sha256_final(pg_sha256_ctx *ctx, uint8 *dest);
  80
  81 extern void pg_sha384_init(pg_sha384_ctx *ctx);
  82 extern void pg_sha384_update(pg_sha384_ctx *ctx,
  83                                                          const uint8 *, size_t len);
  84 extern void pg_sha384_final(pg_sha384_ctx *ctx, uint8 *dest);
  85
  86 extern void pg_sha512_init(pg_sha512_ctx *ctx);
  87 extern void pg_sha512_update(pg_sha512_ctx *ctx, const uint8 *input0,
  88                                                          size_t len);
  89 extern void pg_sha512_final(pg_sha512_ctx *ctx, uint8 *dest);
  90
  91 #endif                                                  /* PG_SHA2_INT_H */