File protection method
The invention provides a file protection method that includes: (1) creating a permission with an identification code corresponding to a file; (2) using the permission to perform encryption protection for the file; (3) using the permission to declassify the file that is done with encryption protectio...
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| Hauptverfasser: | , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | The invention provides a file protection method that includes: (1) creating a permission with an identification code corresponding to a file; (2) using the permission to perform encryption protection for the file; (3) using the permission to declassify the file that is done with encryption protection; using the invention technology and combine with such file process apparatus as televisions and personal computers, and such storage apparatus as flash disks and network storage disks to realize the digitalization of and cross platform for file release and copyright protection; thus, it is not necessary to produce CD to avoid resource waste and environment pollution; the invention can save file release cost and lower cost in file release and use for the user, and is characterized in simple and convenient operation and easy expansion. |
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