Graphical manipulation of encryption
Patent 5577125 Issued on November 19, 1996. Estimated Expiration Date: 
November 19, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 19, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesComputer data encryption system X window security system Patent #: 5073933 InventorsApplicationNo. 077172 filed on 06/14/1993US Classes:380/54, BY MODIFYING OPTICAL IMAGE (E.G., TRANSMISSIVE OVERLAY)380/44, Having particular key generator380/287, ELECTRIC SIGNAL MODIFICATION713/165File protectionExaminersPrimary: Cangialosi, SalvatoreAttorney, Agent or FirmInternational ClassH04L 009/00AbstractA method and apparatus for graphical manipulation of encryption. In one embodiment, the invention provides an encryption work area window within a graphical user interface. A user may encrypt an unencrypted object by dropping an icon associated with the unencrypted object on the encryption work area. An encrypted object located within the encryption work area is decrypted when opened and encrypted when closed. An encrypted object located within the encryption work area is decrypted if it is dragged and dropped outside the encryption work area and decryption is selected; alternatively, the encryption of the encrypted object is maintained if it is dragged and dropped outside the work area and maintain encryption is selected.Other References
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