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6778992 Flexible and hierarchical user interfaces defined using a data definition language  
A flexible and hierarchical user interface, defined using a data definition language, such as the extensible Markup Language (XML), is disclosed. In one embodiment, such an interface is defined by...
6745328 Encryption using a user-known and personally valuable key to deter key sharing  
Using a user-known and personally valuable key for encryption and decryption of information is disclosed. The information can be multimedia information, such as audio, music, video, image and other...
Matches 1 - 2 out of 2