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/*
Copyright (C) 2007 David Bateman
This file is part of Octave.
Octave is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version.
Octave 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 General Public License
for more details.
You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING. If not, see
<http://www.gnu.org/licenses/>.
*/
#include <string>
#include <vector>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "lo-error.h"
#include "oct-md5.h"
#include "md5.h"
std::string
oct_md5 (const std::string str)
{
md5_state_t state;
OCTAVE_LOCAL_BUFFER (md5_byte_t, digest, 16);
md5_init (&state);
md5_append (&state, reinterpret_cast<const md5_byte_t *>(str.c_str()),
str.length());
md5_finish (&state, digest);
OCTAVE_LOCAL_BUFFER (char, tmp, 33);
for (octave_idx_type i = 0; i < 16; i++)
sprintf (&tmp[2*i], "%02x", digest[i]);
tmp[32] = 0;
return std::string (tmp);
}
std::string
oct_md5_file (const std::string file)
{
FILE *ifile = fopen (file.c_str (), "rb");
if (! ifile)
{
(*current_liboctave_error_handler) ("unable to open file `%s' for writing",
file.c_str());
return std::string();
}
else
{
md5_state_t state;
size_t nel;
OCTAVE_LOCAL_BUFFER (md5_byte_t, digest, 16);
OCTAVE_LOCAL_BUFFER (md5_byte_t, buf, 1024);
md5_init (&state);
while ((nel = fread (buf, 1, 1024, ifile)))
md5_append (&state, buf, nel);
fclose (ifile);
md5_finish (&state, digest);
OCTAVE_LOCAL_BUFFER (char, tmp, 33);
for (octave_idx_type i = 0; i < 16; i++)
sprintf (&tmp[2*i], "%02x", digest[i]);
tmp[32] = 0;
return std::string (tmp);
}
}
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/
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