Patent ID: 7356513

Claim:
A method for validating 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 predetermined errors are introduced with the data and storing the data on said media, the predetermined errors comprising at least one authentication key or component thereof, for validating whether the at least one of said media and data is authorized, said method comprising the steps of: (a) obtaining the data from said media; (b) obtaining the predetermined errors from the data; (c) comparing the predetermined errors to the at least one authentication key or component thereof; (d) validating the at least one of the media and the data responsive to the comparing step; (e) removing the predetermined errors from the data resulting in substantially the data; and (f) outputting the data as at least one of audio, video, audio data, video data and digital data substantially free of the predetermined errors.