/usr/include/cxxtools/md5.h is in libcxxtools-dev 2.2.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 | /*
* Copyright (C) 2011 Tommi Maekitalo
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* As a special exception, you may use this file as part of a free
* software library without restriction. Specifically, if other files
* instantiate templates or use macros or inline functions from this
* file, or you compile this file and link it with other files to
* produce an executable, this file does not by itself cause the
* resulting executable to be covered by the GNU General Public
* License. This exception does not however invalidate any other
* reasons why the executable file might be covered by the GNU Library
* General Public License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef CXXTOOLS_MD5_H
#define CXXTOOLS_MD5_H
#include <cxxtools/md5stream.h>
#include <iterator>
#include <algorithm>
namespace cxxtools
{
template <typename iterator_type>
std::string md5(iterator_type from, iterator_type to)
{
Md5stream s;
std::copy(from, to, std::ostream_iterator<char>(s));
return s.getHexDigest();
}
template <typename data_type>
std::string md5(const data_type& data)
{
Md5stream s;
s << data;
return s.getHexDigest();
}
template <typename data_type> class md5_hash
{
std::string digest;
public:
explicit md5_hash(const data_type& data)
{
unsigned char _digest[16];
Md5stream s;
s << data;
s.getDigest(_digest);
digest.assign(reinterpret_cast<char*>(&_digest[0]), reinterpret_cast<char*>(&_digest[0] + 16));
}
md5_hash(typename data_type::const_iterator from,
typename data_type::const_iterator to)
{
unsigned char _digest[16];
Md5stream s;
std::copy(from, to, std::ostream_iterator<char>(s));
s.getDigest(_digest);
digest.assign(reinterpret_cast<char*>(&_digest[0]), reinterpret_cast<char*>(&_digest[0] + 16));
}
static const unsigned short blockSize = 64;
std::string getHexDigest() const
{
static const char hex[] = "0123456789abcdef";
std::string ret;
ret.reserve(32);
for (unsigned n = 0; n < 16; ++n)
{
ret.push_back(hex[(digest[n] >> 4) & 0xf]);
ret.push_back(hex[digest[n] & 0xf]);
}
return ret;
}
std::string getDigest() const
{ return digest; }
};
}
#endif // CXXTOOLS_MD5_H
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