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md5.h

/*    $PostgreSQL$ */
/*       $KAME$      */

/*
 * 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 _NETINET6_MD5_H_
#define _NETINET6_MD5_H_

#define MD5_BUFLEN      64

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];
}     md5_ctxt;

extern void md5_init(md5_ctxt *);
extern void md5_loop(md5_ctxt *, const uint8 *, unsigned int);
extern void md5_pad(md5_ctxt *);
extern void md5_result(uint8 *, md5_ctxt *);

/* compatibility */
#define MD5_CTX         md5_ctxt
#define MD5Init(x)      md5_init((x))
#define MD5Update(x, y, z)    md5_loop((x), (y), (z))
#define MD5Final(x, y) \
do {                    \
      md5_pad((y));           \
      md5_result((x), (y));   \
} while (0)

#endif   /* ! _NETINET6_MD5_H_ */

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