Patent ID: 7644273

Claim:
A method for authenticating at least one of a media and data stored on said media, in order to prevent at least one of piracy, unauthorized access and unauthorized copying of the data stored on said media, wherein said data stored on said media is modulated via at least one modified modulation rule to generate at least one authentication key or component thereof for authenticating at least one of said media and said data, said method comprising the steps of: (a) reading the data from said media; (b) detecting the modulation of the at least one modified modulation rule associated with the data; (c) deriving an embedded authentication key or component thereof responsive to said detecting step (b); (d) comparing the embedded authentication key or component thereof, to at least one authentication key or component thereof; (e) authenticating the at least one of said media and said data responsive to said comparing step (d); and (f) outputting said data as at least one of audio, video, audio data, video data and digital data substantially free of the modulation of the at least one modified modulation rule.