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* File: md5.h
* Purpose: Header for the fwknop md5.c.
* MD5 Message Digest Algorithm (RFC1321).
* Derived from cryptoapi implementation, originally based on the
* public domain implementation written by Colin Plumb in 1993.
* Copyright (c) Cryptoapi developers.
* Copyright (c) 2002 James Morris <>
* License (GNU Public License):
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
#ifndef MD5_H
#define MD5_H 1
#include "common.h"
#define MD5_DIGEST_LEN 16
#define MD5_B64_LEN 22
typedef struct _MD5Context {
uint32_t buf[4];
uint32_t bits[2];
unsigned char in[64];
} MD5Context;
void MD5Init(MD5Context*);
void MD5Update(MD5Context *ctx, unsigned char *buf, unsigned len);
void MD5Final(unsigned char digest[16], MD5Context *ctx);
void MD5Transform(uint32_t buf[4], uint32_t in[16]);
#endif /* MD5_H */
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