System and method for detecting unauthorized copying of encrypted data

An apparatus for detecting unauthorized actions with respect to encrypted data on a media disk, the media disk including a first portion for pre-recorded content and a second portion for written content, the apparatus comprising:

• means for reading an identifier on the media disk, wherein the identifier includes one or more sections located in one of the first portion for prerecorded content, the second portion for written content, and both the first portion for pre-recorded content and the second portion for written content;
• means for comparing the identifier with one or more predetermined types of identifiers for which a section located in the second portion for written content is not authorized if the identifier includes a section located in the second portion for written content;
• and
• means for detecting an unauthorized action if the identifier is of a type that is one of the one or more predetermined types of identifiers.

An engine configured to detect unauthorized actions with respect to encrypted data on a media disk, the media disk including a first portion for pre-recorded content and a second portion for written content, the engine comprising:

• a firmware component located on an application specific integrated circuit (ASIC), the firmware component including:
• a block configured to read an identifier on the media disk, wherein the identifier includes one or more sections located in one of the first portion for pre-recorded content, the second portion for written content and both the first portion for pre-recorded content and the second portion for written content;
• a block configured to compare the identifier with one or more predetermined types of identifiers for which a section located in the second portion for written content is not authorized if the identifier includes a section located in the second portion for written content;
• and
• a block to configured to detect an unauthorized action if the identifier is of a type that is one of the one or more predetermined types of identifiers.

A computer program product, the computer program product comprising:

• signal bearing media bearing digital information adapted to include programming, the digital information including:
• a block configured to read an identifier on the media disk, wherein the identifier includes one or more sections located in one of the first portion for pre-recorded content, the second portion for written content and both the first portion for pre-recorded content and the second portion for written content;
• a block configured to compare the identifier with one or more predetermined types of identifiers for which a section located in the second portion for written content is not authorized if the identifier includes a section located in the second portion for written content;
• and
• a block to configured to detect an unauthorized action if the identifier is of a type that is one of the one or more predetermined types of identifiers.