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svn_md5.h
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1 /**
2  * @copyright
3  * ====================================================================
4  * Licensed to the Apache Software Foundation (ASF) under one
5  * or more contributor license agreements. See the NOTICE file
6  * distributed with this work for additional information
7  * regarding copyright ownership. The ASF licenses this file
8  * to you under the Apache License, Version 2.0 (the
9  * "License"); you may not use this file except in compliance
10  * with the License. You may obtain a copy of the License at
11  *
12  * http://www.apache.org/licenses/LICENSE-2.0
13  *
14  * Unless required by applicable law or agreed to in writing,
15  * software distributed under the License is distributed on an
16  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17  * KIND, either express or implied. See the License for the
18  * specific language governing permissions and limitations
19  * under the License.
20  * ====================================================================
21  * @endcopyright
22  *
23  * @file svn_md5.h
24  * @brief Converting and comparing MD5 checksums.
25  */
26 
27 #ifndef SVN_MD5_H
28 #define SVN_MD5_H
29 
30 #include <apr_pools.h> /* for apr_pool_t */
31 
32 #include "svn_types.h" /* for svn_boolean_t */
33 
34 #ifdef __cplusplus
35 extern "C" {
36 #endif /* __cplusplus */
37 
38 
39 
40 /**
41  * The MD5 digest for the empty string.
42  *
43  * @deprecated Provided for backward compatibility with the 1.5 API.
44  * */
46 const unsigned char *
48 
49 
50 /**
51  * Return the hex representation of @a digest, which must be
52  * @c APR_MD5_DIGESTSIZE bytes long, allocating the string in @a pool.
53  *
54  * @deprecated Provided for backward compatibility with the 1.5 API.
55  */
57 const char *
58 svn_md5_digest_to_cstring_display(const unsigned char digest[],
59  apr_pool_t *pool);
60 
61 
62 /**
63  * Return the hex representation of @a digest, which must be
64  * @c APR_MD5_DIGESTSIZE bytes long, allocating the string in @a pool.
65  * If @a digest is all zeros, then return NULL.
66  *
67  * @deprecated Provided for backward compatibility with the 1.5 API.
68  */
70 const char *
71 svn_md5_digest_to_cstring(const unsigned char digest[],
72  apr_pool_t *pool);
73 
74 
75 /**
76  * Compare digests @a d1 and @a d2, each @c APR_MD5_DIGESTSIZE bytes long.
77  * If neither is all zeros, and they do not match, then return FALSE;
78  * else return TRUE.
79  *
80  * @deprecated Provided for backward compatibility with the 1.5 API.
81  */
84 svn_md5_digests_match(const unsigned char d1[],
85  const unsigned char d2[]);
86 
87 #ifdef __cplusplus
88 }
89 #endif /* __cplusplus */
90 
91 #endif /* SVN_MD5_H */