2 * checksum.h: Converting and comparing checksums
4 * ====================================================================
5 * Licensed to the Apache Software Foundation (ASF) under one
6 * or more contributor license agreements. See the NOTICE file
7 * distributed with this work for additional information
8 * regarding copyright ownership. The ASF licenses this file
9 * to you under the Apache License, Version 2.0 (the
10 * "License"); you may not use this file except in compliance
11 * with the License. You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing,
16 * software distributed under the License is distributed on an
17 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
18 * KIND, either express or implied. See the License for the
19 * specific language governing permissions and limitations
21 * ====================================================================
24 #ifndef SVN_LIBSVN_SUBR_CHECKSUM_H
25 #define SVN_LIBSVN_SUBR_CHECKSUM_H
27 #include <apr_pools.h>
29 #include "svn_checksum.h"
33 #endif /* __cplusplus */
37 /* The digest of the given KIND for the empty string. */
39 svn__empty_string_digest(svn_checksum_kind_t kind);
42 /* Return the hex representation of DIGEST, which must be
43 * DIGEST_SIZE bytes long, allocating the string in POOL.
46 svn__digest_to_cstring_display(const unsigned char digest[],
47 apr_size_t digest_size,
51 /* Return the hex representation of DIGEST, which must be
52 * DIGEST_SIZE bytes long, allocating the string in POOL.
53 * If DIGEST is all zeros, then return NULL.
56 svn__digest_to_cstring(const unsigned char digest[],
57 apr_size_t digest_size,
61 /* Compare digests D1 and D2, each DIGEST_SIZE bytes long.
62 * If neither is all zeros, and they do not match, then return FALSE;
66 svn__digests_match(const unsigned char d1[],
67 const unsigned char d2[],
68 apr_size_t digest_size);
72 #endif /* __cplusplus */
74 #endif /* SVN_LIBSVN_SUBR_CHECKSUM_H */