1 /* General MD5 support.
2 Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007,
3 2008 Free Software Foundation, Inc.
5 This file is part of GNU Wget.
7 GNU Wget is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 GNU Wget is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with Wget. If not, see <http://www.gnu.org/licenses/>.
20 Additional permission under GNU GPL version 3 section 7
22 If you modify this program, or any covered work, by linking or
23 combining it with the OpenSSL project's OpenSSL library (or a
24 modified version of that library), containing parts covered by the
25 terms of the OpenSSL or SSLeay licenses, the Free Software Foundation
26 grants you additional permission to convey the resulting work.
27 Corresponding Source for a non-source form of such a combination
28 shall include the source code for the parts of OpenSSL used as well
29 as that of the covered work. */
31 #define USE_GNULIB_ALLOC
37 #ifdef HAVE_BUILTIN_MD5
39 typedef struct md5_ctx gen_md5_context_imp;
42 #ifdef HAVE_SOLARIS_MD5
44 typedef MD5_CTX gen_md5_context_imp;
47 #ifdef HAVE_OPENSSL_MD5
48 # include <openssl/md5.h>
49 typedef MD5_CTX gen_md5_context_imp;
52 struct gen_md5_context {
53 gen_md5_context_imp imp;
56 /* Originally I planned for these to be macros, but that's very hard
57 because some of these MD5 implementations use the same names for
58 their types. For example, it is impossible to include <md5.h> and
59 <openssl/ssl.h> on Solaris, because the latter includes its own MD5
60 implementation, which clashes with <md5.h>. */
63 gen_md5_context_size (void)
65 return sizeof (struct gen_md5_context);
69 gen_md5_init (gen_md5_context *ctx)
71 gen_md5_context_imp *ctx_imp = &ctx->imp;
73 #ifdef HAVE_BUILTIN_MD5
74 md5_init_ctx (ctx_imp);
77 #ifdef HAVE_SOLARIS_MD5
81 #ifdef HAVE_OPENSSL_MD5
87 gen_md5_update (unsigned const char *buffer, int len, gen_md5_context *ctx)
89 gen_md5_context_imp *ctx_imp = &ctx->imp;
91 #ifdef HAVE_BUILTIN_MD5
92 md5_process_bytes (buffer, len, ctx_imp);
95 #ifdef HAVE_SOLARIS_MD5
96 MD5Update (ctx_imp, (unsigned char *)buffer, len);
99 #ifdef HAVE_OPENSSL_MD5
100 MD5_Update (ctx_imp, buffer, len);
105 gen_md5_finish (gen_md5_context *ctx, unsigned char *result)
107 gen_md5_context_imp *ctx_imp = &ctx->imp;
109 #ifdef HAVE_BUILTIN_MD5
110 md5_finish_ctx (ctx_imp, result);
113 #ifdef HAVE_SOLARIS_MD5
114 MD5Final (result, ctx_imp);
117 #ifdef HAVE_OPENSSL_MD5
118 MD5_Final (result, ctx_imp);
123 /* A debugging function for checking whether an MD5 library works. */
128 debug_test_md5 (char *buf)
130 unsigned char raw[16];
135 ALLOCA_MD5_CONTEXT (ctx);
138 gen_md5_update ((unsigned char *)buf, strlen (buf), ctx);
139 gen_md5_finish (ctx, raw);
146 *p2++ = XNUM_TO_digit (*p1 >> 4);
147 *p2++ = XNUM_TO_digit (*p1 & 0xf);