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/*-------------------------------------------------------------------------
*
* md5_int.h
* Internal headers for fallback implementation of MD5
*
* Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* src/common/md5_int.h
*
*-------------------------------------------------------------------------
*/
/* $KAME: md5.h,v 1.3 2000/02/22 14:01:18 itojun Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of the project 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 PROJECT 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 PROJECT 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.
*/
#ifndef PG_MD5_INT_H
#define PG_MD5_INT_H
#include "common/md5.h"
#define MD5_BUFLEN 64
/* Context data for MD5 */
typedef struct
{
union
{
uint32 md5_state32[4];
uint8 md5_state8[16];
} md5_st;
#define md5_sta md5_st.md5_state32[0]
#define md5_stb md5_st.md5_state32[1]
#define md5_stc md5_st.md5_state32[2]
#define md5_std md5_st.md5_state32[3]
#define md5_st8 md5_st.md5_state8
union
{
uint64 md5_count64;
uint8 md5_count8[8];
} md5_count;
#define md5_n md5_count.md5_count64
#define md5_n8 md5_count.md5_count8
unsigned int md5_i;
uint8 md5_buf[MD5_BUFLEN];
} pg_md5_ctx;
/* Interface routines for MD5 */
extern void pg_md5_init(pg_md5_ctx *ctx);
extern void pg_md5_update(pg_md5_ctx *ctx, const uint8 *data, size_t len);
extern void pg_md5_final(pg_md5_ctx *ctx, uint8 *dest);
#endif /* PG_MD5_INT_H */
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