source: 3DVCSoftware/branches/0.3-poznan-univ/source/Lib/libmd5/MD5.h

Last change on this file was 2, checked in by hhi, 13 years ago

inital import

  • Property svn:eol-style set to native
File size: 962 bytes
Line 
1
2#pragma once
3#include "libmd5.h"
4
5class MD5 {
6public:
7  /**
8   * initialize digest state
9   */
10  MD5()
11  {
12    MD5Init(&m_state);
13  }
14
15  /**
16   * compute digest over @buf of length @len.
17   * multiple calls may extend the digest over more data.
18   */
19  void update(unsigned char *buf, unsigned len)
20  {
21    MD5Update(&m_state, buf, len);
22  }
23
24  /**
25   * flush any outstanding MD5 data, write the digest into @digest.
26   */
27  void finalize(unsigned char digest[16])
28  {
29    MD5Final(digest, &m_state);
30  }
31
32private:
33  context_md5_t m_state;
34};
35
36/**
37 * Produce an ascii(hex) representation of the 128bit @digest.
38 *
39 * Returns: a statically allocated null-terminated string.  DO NOT FREE.
40 */
41inline const char*
42digestToString(unsigned char digest[16])
43{
44  const char* hex = "0123456789abcdef";
45  static char string[33];
46  for (int i = 0; i < 16; i++)
47  {
48    string[i*2+0] = hex[digest[i] >> 4];
49    string[i*2+1] = hex[digest[i] & 0xf];
50  }
51  return string;
52}
53
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