1/* General MD5 header file.
2   Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
3   Free Software Foundation, Inc.
4
5This file is part of GNU Wget.
6
7GNU Wget is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 3 of the License, or
10(at your option) any later version.
11
12GNU Wget is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with Wget.  If not, see <http://www.gnu.org/licenses/>.
19
20Additional permission under GNU GPL version 3 section 7
21
22If you modify this program, or any covered work, by linking or
23combining it with the OpenSSL project's OpenSSL library (or a
24modified version of that library), containing parts covered by the
25terms of the OpenSSL or SSLeay licenses, the Free Software Foundation
26grants you additional permission to convey the resulting work.
27Corresponding Source for a non-source form of such a combination
28shall include the source code for the parts of OpenSSL used as well
29as that of the covered work.  */
30
31#ifndef GEN_MD5_H
32#define GEN_MD5_H
33
34typedef struct gen_md5_context gen_md5_context;
35
36/* Use a forward declaration so we don't have to include any of the
37   includes.  */
38struct gen_md5_context;
39
40#define MD5_HASHLEN 16
41
42#define ALLOCA_MD5_CONTEXT(var_name)			\
43  gen_md5_context *var_name =				\
44  (gen_md5_context *) alloca (gen_md5_context_size ())
45
46int gen_md5_context_size (void);
47void gen_md5_init (gen_md5_context *);
48void gen_md5_update (const unsigned char *, int, gen_md5_context *);
49void gen_md5_finish (gen_md5_context *, unsigned char *);
50
51#endif /* GEN_MD5_H */
52