Data alteration checking apparatus and method and recording...
Data alteration checking apparatus and method and recording...
Data application method
Data authentication system
Data authentication system
Data card verification system
Data card verification system
Data card verification system
Data certification method and apparatus
Data communication method and system
Data control system
Data copyright management system
Data copyright management system
Data copyright management system
Data depository and associated methodology providing secure...
Data encryption method, recording medium, data transfer...
Data encryption method, recording medium, data transfer...
Data file authentication device
Data hiding in digital multimedia
Data hiding method and data extraction method using...