source: UsbWattMeter/trunk/curl-7.47.1/lib/curl_hmac.h@ 164

Last change on this file since 164 was 164, checked in by coas-nagasima, 6 years ago

TOPPERS/ECNLサンプルアプリ「USB充電器電力計」を追加

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
  • Property svn:mime-type set to text/x-chdr
File size: 2.6 KB
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1#ifndef HEADER_CURL_HMAC_H
2#define HEADER_CURL_HMAC_H
3/***************************************************************************
4 * _ _ ____ _
5 * Project ___| | | | _ \| |
6 * / __| | | | |_) | |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
9 *
10 * Copyright (C) 1998 - 2010, 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
27typedef void (* HMAC_hinit_func)(void * context);
28typedef void (* HMAC_hupdate_func)(void * context,
29 const unsigned char * data,
30 unsigned int len);
31typedef void (* HMAC_hfinal_func)(unsigned char * result, void * context);
32
33
34/* Per-hash function HMAC parameters. */
35
36typedef 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
48typedef 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
57HMAC_context * Curl_HMAC_init(const HMAC_params * hashparams,
58 const unsigned char * key,
59 unsigned int keylen);
60int Curl_HMAC_update(HMAC_context * context,
61 const unsigned char * data,
62 unsigned int len);
63int Curl_HMAC_final(HMAC_context * context, unsigned char * result);
64
65#endif
66
67#endif /* HEADER_CURL_HMAC_H */
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