1 /* Licensed to the Apache Software Foundation (ASF) under one or more
2 * contributor license agreements. See the NOTICE file distributed with
3 * this work for additional information regarding copyright ownership.
4 * The ASF licenses this file to You under the Apache License, Version 2.0
5 * (the "License"); you may not use this file except in compliance with
6 * the License. You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 /************************************************************************
19 * Software Development Group
20 * National Center for Supercomputing Applications
21 * University of Illinois at Urbana-Champaign
22 * 605 E. Springfield, Champaign, IL 61820
25 * Copyright (C) 1995, Board of Trustees of the University of Illinois
27 ************************************************************************
29 * md5.c: NCSA HTTPd code which uses the md5c.c RSA Code
31 * Original Code Copyright (C) 1994, Jeff Hostetler, Spyglass, Inc.
32 * Portions of Content-MD5 code Copyright (C) 1993, 1994 by Carnegie Mellon
33 * University (see Copyright below).
34 * Portions of Content-MD5 code Copyright (C) 1991 Bell Communications
35 * Research, Inc. (Bellcore) (see Copyright below).
36 * Portions extracted from mpack, John G. Myers - jgm+@cmu.edu
37 * Content-MD5 Code contributed by Martin Hamilton (martin@net.lut.ac.uk)
43 /* md5.c --Module Interface to MD5. */
44 /* Jeff Hostetler, Spyglass, Inc., 1994. */
46 #include "ap_config.h"
47 #include "apr_portable.h"
48 #include "apr_strings.h"
51 #include "util_ebcdic.h"
53 AP_DECLARE(char *) ap_md5_binary(apr_pool_t *p, const unsigned char *buf, int length)
56 unsigned char hash[APR_MD5_DIGESTSIZE];
57 char result[2 * APR_MD5_DIGESTSIZE + 1];
60 * Take the MD5 hash of the string argument.
63 apr_md5_init(&my_md5);
64 #if APR_CHARSET_EBCDIC
65 apr_md5_set_xlate(&my_md5, ap_hdrs_to_ascii);
67 apr_md5_update(&my_md5, buf, (unsigned int)length);
68 apr_md5_final(hash, &my_md5);
70 ap_bin2hex(hash, APR_MD5_DIGESTSIZE, result);
72 return apr_pstrndup(p, result, APR_MD5_DIGESTSIZE*2);
75 AP_DECLARE(char *) ap_md5(apr_pool_t *p, const unsigned char *string)
77 return ap_md5_binary(p, string, (int) strlen((char *)string));
80 /* these portions extracted from mpack, John G. Myers - jgm+@cmu.edu */
82 /* (C) Copyright 1993,1994 by Carnegie Mellon University
83 * All Rights Reserved.
85 * Permission to use, copy, modify, distribute, and sell this software
86 * and its documentation for any purpose is hereby granted without
87 * fee, provided that the above copyright notice appear in all copies
88 * and that both that copyright notice and this permission notice
89 * appear in supporting documentation, and that the name of Carnegie
90 * Mellon University not be used in advertising or publicity
91 * pertaining to distribution of the software without specific,
92 * written prior permission. Carnegie Mellon University makes no
93 * representations about the suitability of this software for any
94 * purpose. It is provided "as is" without express or implied
97 * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
98 * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
99 * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
100 * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
101 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
102 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
103 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
108 * Copyright (c) 1991 Bell Communications Research, Inc. (Bellcore)
110 * Permission to use, copy, modify, and distribute this material
111 * for any purpose and without fee is hereby granted, provided
112 * that the above copyright notice and this permission notice
113 * appear in all copies, and that the name of Bellcore not be
114 * used in advertising or publicity pertaining to this
115 * material without the specific, prior written permission
116 * of an authorized representative of Bellcore. BELLCORE
117 * MAKES NO REPRESENTATIONS ABOUT THE ACCURACY OR SUITABILITY
118 * OF THIS MATERIAL FOR ANY PURPOSE. IT IS PROVIDED "AS IS",
119 * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES.
122 static char basis_64[] =
123 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
125 AP_DECLARE(char *) ap_md5contextTo64(apr_pool_t *a, apr_md5_ctx_t *context)
127 unsigned char digest[18];
132 encodedDigest = (char *) apr_pcalloc(a, 25 * sizeof(char));
134 apr_md5_final(digest, context);
135 digest[sizeof(digest) - 1] = digest[sizeof(digest) - 2] = 0;
138 for (i = 0; i < sizeof(digest); i += 3) {
139 *p++ = basis_64[digest[i] >> 2];
140 *p++ = basis_64[((digest[i] & 0x3) << 4) | ((int) (digest[i + 1] & 0xF0) >> 4)];
141 *p++ = basis_64[((digest[i + 1] & 0xF) << 2) | ((int) (digest[i + 2] & 0xC0) >> 6)];
142 *p++ = basis_64[digest[i + 2] & 0x3F];
147 return encodedDigest;
150 AP_DECLARE(char *) ap_md5digest(apr_pool_t *p, apr_file_t *infile)
152 apr_md5_ctx_t context;
153 unsigned char buf[4096]; /* keep this a multiple of 64 */
155 apr_off_t offset = 0L;
157 apr_md5_init(&context);
158 nbytes = sizeof(buf);
159 while (apr_file_read(infile, buf, &nbytes) == APR_SUCCESS) {
160 apr_md5_update(&context, buf, nbytes);
161 nbytes = sizeof(buf);
163 apr_file_seek(infile, APR_SET, &offset);
164 return ap_md5contextTo64(p, &context);