xref: /third_party/curl/lib/curl_md5.h (revision 13498266) 
1#ifndef HEADER_CURL_MD5_H
2#define HEADER_CURL_MD5_H
3/***************************************************************************
4 *                                  _   _ ____  _
5 *  Project                     ___| | | |  _ \| |
6 *                             / __| | | | |_) | |
7 *                            | (__| |_| |  _ <| |___
8 *                             \___|\___/|_| \_\_____|
9 *
10 * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
11 *
12 * This software is licensed as described in the file COPYING, which
13 * you should have received as part of this distribution. The terms
14 * are also available at https://curl.se/docs/copyright.html.
15 *
16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
17 * copies of the Software, and permit persons to whom the Software is
18 * furnished to do so, under the terms of the COPYING file.
19 *
20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21 * KIND, either express or implied.
22 *
23 * SPDX-License-Identifier: curl
24 *
25 ***************************************************************************/
26
27#if (defined(USE_CURL_NTLM_CORE) && !defined(USE_WINDOWS_SSPI)) \
28    || !defined(CURL_DISABLE_DIGEST_AUTH)
29
30#include "curl_hmac.h"
31
32#define MD5_DIGEST_LEN  16
33
34typedef CURLcode (* Curl_MD5_init_func)(void *context);
35typedef void (* Curl_MD5_update_func)(void *context,
36                                      const unsigned char *data,
37                                      unsigned int len);
38typedef void (* Curl_MD5_final_func)(unsigned char *result, void *context);
39
40struct MD5_params {
41  Curl_MD5_init_func     md5_init_func;   /* Initialize context procedure */
42  Curl_MD5_update_func   md5_update_func; /* Update context with data */
43  Curl_MD5_final_func    md5_final_func;  /* Get final result procedure */
44  unsigned int           md5_ctxtsize;  /* Context structure size */
45  unsigned int           md5_resultlen; /* Result length (bytes) */
46};
47
48struct MD5_context {
49  const struct MD5_params *md5_hash;    /* Hash function definition */
50  void                  *md5_hashctx;   /* Hash function context */
51};
52
53extern const struct MD5_params Curl_DIGEST_MD5[1];
54extern const struct HMAC_params Curl_HMAC_MD5[1];
55
56CURLcode Curl_md5it(unsigned char *output, const unsigned char *input,
57                    const size_t len);
58
59struct MD5_context *Curl_MD5_init(const struct MD5_params *md5params);
60CURLcode Curl_MD5_update(struct MD5_context *context,
61                         const unsigned char *data,
62                         unsigned int len);
63CURLcode Curl_MD5_final(struct MD5_context *context, unsigned char *result);
64
65#endif
66
67#endif /* HEADER_CURL_MD5_H */
68