annotate liboctave/oct-md5.cc @ 6469:a848b846cb3a ss-2-9-10

[project @ 2007-03-27 18:42:11 by jwe]
author jwe
date Tue, 27 Mar 2007 18:42:11 +0000
parents 65e9cf5c7718
children 93c65f2a5668
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1 /*
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2
5fced7a5eee8 [project @ 2007-03-01 17:23:39 by dbateman]
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3 Copyright (C) 2007 David Bateman
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4
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5 This file is part of Octave.
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6
5fced7a5eee8 [project @ 2007-03-01 17:23:39 by dbateman]
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 2, or (at your option) any
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10 later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
5fced7a5eee8 [project @ 2007-03-01 17:23:39 by dbateman]
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, write to the Free
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19 Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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20 02110-1301, USA.
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21
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22 */
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23
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24 #include <string>
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25 #include <vector>
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26
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27 #ifdef HAVE_CONFIG_H
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28 #include "config.h"
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29 #endif
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30
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31 #include "lo-error.h"
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32 #include "oct-md5.h"
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33 #include "md5.h"
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34
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35 std::string
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36 oct_md5 (const std::string str)
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37 {
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38 md5_state_t state;
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39
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40 OCTAVE_LOCAL_BUFFER (md5_byte_t, digest, 16);
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41 md5_init (&state);
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42 md5_append (&state, reinterpret_cast<const md5_byte_t *>(str.c_str()),
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43 str.length());
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44 md5_finish (&state, digest);
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45
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46 OCTAVE_LOCAL_BUFFER (char, tmp, 33);
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47 for (octave_idx_type i = 0; i < 16; i++)
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48 sprintf (&tmp[2*i], "%02x", digest[i]);
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49 tmp[32] = 0;
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50 return std::string (tmp);
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51 }
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52
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53 std::string
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54 oct_md5_file (const std::string file)
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55 {
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56 FILE *ifile = fopen (file.c_str (), "rb");
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57
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58 if (! ifile)
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59 {
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60 (*current_liboctave_error_handler) ("unable to open file `%s' for writing",
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61 file.c_str());
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62 return std::string();
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63 }
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64 else
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65 {
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66 md5_state_t state;
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67 size_t nel;
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68
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69 OCTAVE_LOCAL_BUFFER (md5_byte_t, digest, 16);
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70 OCTAVE_LOCAL_BUFFER (md5_byte_t, buf, 1024);
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71
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72 md5_init (&state);
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73
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74 while ((nel = fread (buf, 1, 1024, ifile)))
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75 md5_append (&state, buf, nel);
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76
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77 fclose (ifile);
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78
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79 md5_finish (&state, digest);
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80
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81 OCTAVE_LOCAL_BUFFER (char, tmp, 33);
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82 for (octave_idx_type i = 0; i < 16; i++)
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83 sprintf (&tmp[2*i], "%02x", digest[i]);
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84 tmp[32] = 0;
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85 return std::string (tmp);
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86 }
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87 }
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88
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89 /*
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90 ;;; Local Variables: ***
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91 ;;; mode: C++ ***
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92 ;;; End: ***
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93 */