source: 3DVCSoftware/trunk/source/Lib/libmd5/MD5.h @ 1405

Last change on this file since 1405 was 1405, checked in by tech, 8 years ago

Merged HTM-16.1-dev@1404.

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1/* The copyright in this software is being made available under the BSD
2 * License, included below. This software may be subject to other third party
3 * and contributor rights, including patent rights, and no such rights are
4 * granted under this license.
5 *
6 * Copyright (c) 2010-2016, ITU/ISO/IEC
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions are met:
11 *
12 *  * Redistributions of source code must retain the above copyright notice,
13 *    this list of conditions and the following disclaimer.
14 *  * Redistributions in binary form must reproduce the above copyright notice,
15 *    this list of conditions and the following disclaimer in the documentation
16 *    and/or other materials provided with the distribution.
17 *  * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
18 *    be used to endorse or promote products derived from this software without
19 *    specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31 * THE POSSIBILITY OF SUCH DAMAGE.
32 */
33#pragma once
34#include "libmd5.h"
35#include <string>
36
37//! \ingroup libMD5
38//! \{
39
40static const UInt MD5_DIGEST_STRING_LENGTH=16;
41
42class MD5
43{
44public:
45  /**
46   * initialize digest state
47   */
48  MD5()
49  {
50    MD5Init(&m_state);
51  }
52
53  /**
54   * compute digest over buf of length len.
55   * multiple calls may extend the digest over more data.
56   */
57  void update(unsigned char *buf, unsigned len)
58  {
59    MD5Update(&m_state, buf, len);
60  }
61
62  /**
63   * flush any outstanding MD5 data, write the digest into digest.
64   */
65  void finalize(unsigned char digest[MD5_DIGEST_STRING_LENGTH])
66  {
67    MD5Final(digest, &m_state);
68  }
69
70private:
71  context_md5_t m_state;
72};
73
74
75//! \}
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