METHOD AND APPARATUS FOR FINGERPRINTING AND COPY PROTECTING OPTICAL RECORDING MEDIA

摘要

A method for generating a unique identity for objects having measurable properties. The teachings include deriving unique features of the object and using them to generate a fingerprint for the device. The teachings also include techniques for providing appropriate signal processing for the incoming information from any physical device to be fingerprinted. The invention also includes methods for access control to optical recording media and physical devices.