librsync  2.3.4
mdfour.h
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1 /*= -*- c-basic-offset: 4; indent-tabs-mode: nil; -*-
2  *
3  * librsync -- the library for network deltas
4  *
5  * Copyright (C) 2000, 2001 by Martin Pool <mbp@sourcefrog.net>
6  * Copyright (C) 2002, 2003 by Donovan Baarda <abo@minkirri.apana.org.au>
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public License
10  * as published by the Free Software Foundation; either version 2.1 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful, but
14  * WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with this program; if not, write to the Free Software
20  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21  */
22 
23 /** \file mdfour.h
24  * MD4 message digest algorithm.
25  *
26  * \todo Perhaps use the MD4 routine from OpenSSL if it's installed. It's
27  * probably not worth the trouble.
28  *
29  * This was originally written by Andrew Tridgell for use in Samba. It was then
30  * modified by;
31  *
32  * 2002-06-xx: Robert Weber <robert.weber@Colorado.edu> optimisations and fixed
33  * >512M support.
34  *
35  * 2002-06-27: Donovan Baarda <abo@minkirri.apana.org.au> further optimisations
36  * and cleanups.
37  *
38  * 2004-09-09: Simon Law <sfllaw@debian.org> handle little-endian machines that
39  * can't do unaligned access (e.g. ia64, pa-risc). */
40 #ifndef MDFOUR_H
41 # define MDFOUR_H
42 
43 # include <stdint.h>
44 
45 /** The rs_mdfour state type. */
46 struct rs_mdfour {
47  unsigned int A, B, C, D;
48 # ifdef UINT64_MAX
49  uint64_t totalN;
50 # else
51  uint32_t totalN_hi, totalN_lo;
52 # endif
53  int tail_len;
54  unsigned char tail[64];
55 };
56 
57 #endif /* !MDFOUR_H */
The rs_mdfour state type.
Definition: mdfour.h:46