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comparison mupdf-source/thirdparty/curl/lib/curl_hmac.h @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1:1d09e1dec1d9 2:b50eed0cc0ef
1 #ifndef HEADER_CURL_HMAC_H
2 #define HEADER_CURL_HMAC_H
3 /***************************************************************************
4 * _ _ ____ _
5 * Project ___| | | | _ \| |
6 * / __| | | | |_) | |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
9 *
10 * Copyright (C) 1998 - 2016, 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.haxx.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 ***************************************************************************/
24
25 #ifndef CURL_DISABLE_CRYPTO_AUTH
26
27 typedef void (* HMAC_hinit_func)(void *context);
28 typedef void (* HMAC_hupdate_func)(void *context,
29 const unsigned char *data,
30 unsigned int len);
31 typedef void (* HMAC_hfinal_func)(unsigned char *result, void *context);
32
33
34 /* Per-hash function HMAC parameters. */
35
36 typedef struct {
37 HMAC_hinit_func hmac_hinit; /* Initialize context procedure. */
38 HMAC_hupdate_func hmac_hupdate; /* Update context with data. */
39 HMAC_hfinal_func hmac_hfinal; /* Get final result procedure. */
40 unsigned int hmac_ctxtsize; /* Context structure size. */
41 unsigned int hmac_maxkeylen; /* Maximum key length (bytes). */
42 unsigned int hmac_resultlen; /* Result length (bytes). */
43 } HMAC_params;
44
45
46 /* HMAC computation context. */
47
48 typedef struct {
49 const HMAC_params *hmac_hash; /* Hash function definition. */
50 void *hmac_hashctxt1; /* Hash function context 1. */
51 void *hmac_hashctxt2; /* Hash function context 2. */
52 } HMAC_context;
53
54
55 /* Prototypes. */
56
57 HMAC_context * Curl_HMAC_init(const HMAC_params *hashparams,
58 const unsigned char *key,
59 unsigned int keylen);
60 int Curl_HMAC_update(HMAC_context *context,
61 const unsigned char *data,
62 unsigned int len);
63 int Curl_HMAC_final(HMAC_context *context, unsigned char *result);
64
65 #endif
66
67 #endif /* HEADER_CURL_HMAC_H */