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1 /* |
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2 |
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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 |
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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 3 of the License, or (at your |
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10 option) any 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 |
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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, see |
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19 <http://www.gnu.org/licenses/>. |
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20 |
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21 */ |
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22 |
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23 #include <string> |
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24 #include <vector> |
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25 |
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26 #ifdef HAVE_CONFIG_H |
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27 #include "config.h" |
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28 #endif |
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29 |
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30 #include "lo-error.h" |
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31 #include "oct-md5.h" |
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32 #include "md5.h" |
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33 |
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34 std::string |
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35 oct_md5 (const std::string str) |
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36 { |
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37 md5_state_t state; |
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38 |
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39 OCTAVE_LOCAL_BUFFER (md5_byte_t, digest, 16); |
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40 md5_init (&state); |
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41 md5_append (&state, reinterpret_cast<const md5_byte_t *>(str.c_str()), |
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42 str.length()); |
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43 md5_finish (&state, digest); |
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44 |
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45 OCTAVE_LOCAL_BUFFER (char, tmp, 33); |
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46 for (octave_idx_type i = 0; i < 16; i++) |
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47 sprintf (&tmp[2*i], "%02x", digest[i]); |
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48 tmp[32] = 0; |
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49 return std::string (tmp); |
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50 } |
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51 |
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52 std::string |
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53 oct_md5_file (const std::string file) |
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54 { |
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55 FILE *ifile = fopen (file.c_str (), "rb"); |
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56 |
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57 if (! ifile) |
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58 { |
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59 (*current_liboctave_error_handler) ("unable to open file `%s' for writing", |
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60 file.c_str()); |
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61 return std::string(); |
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62 } |
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63 else |
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64 { |
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65 md5_state_t state; |
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66 size_t nel; |
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67 |
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68 OCTAVE_LOCAL_BUFFER (md5_byte_t, digest, 16); |
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69 OCTAVE_LOCAL_BUFFER (md5_byte_t, buf, 1024); |
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70 |
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71 md5_init (&state); |
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72 |
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73 while ((nel = fread (buf, 1, 1024, ifile))) |
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74 md5_append (&state, buf, nel); |
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75 |
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76 fclose (ifile); |
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77 |
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78 md5_finish (&state, digest); |
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79 |
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80 OCTAVE_LOCAL_BUFFER (char, tmp, 33); |
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81 for (octave_idx_type i = 0; i < 16; i++) |
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82 sprintf (&tmp[2*i], "%02x", digest[i]); |
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83 tmp[32] = 0; |
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84 return std::string (tmp); |
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85 } |
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86 } |
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87 |
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88 /* |
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89 ;;; Local Variables: *** |
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90 ;;; mode: C++ *** |
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91 ;;; End: *** |
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92 */ |
