| http://www.w3.org/ns/prov#value | - When the user intends to play back content on a device such as a personal computer (PC), the device is to first read the unique information ???A??? of the recording medium ???A???, generate the media unique key ???A??? from the read unique information ???A???, decrypt the approval information ???A??? by using the generated media unique key ???A???, and then decrypt encrypted content by using the d
|
