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Information management method using a recording medium with a secure area and a user-use area










Image Number 4 for United States Patent #7325247.

An information management method restoring electronic data using backup information upon the loss of electronic data stored on a recording medium. Information stored in a predetermined area of the recording medium having medium-specific information is encrypted using medium-specific information or a key generated therefrom and is derived outside the predetermined area.








 
 
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