Patent ID: 8015613

Claim:
A method comprising: selecting from an MPEG-type transport stream a first plurality of packets according to an identifier that is referenced in a first table, wherein each packet of the first plurality of packets includes the identifier, wherein the first plurality of packets comprises data that form a data structure comprising a second table having a first field and a second field, wherein the first field is for containing an identity of one of a plurality of providers of copy protection technology, wherein the first field further is for enabling a creation of a plurality of instances of the second table when the first plurality of packets includes a plurality of identities of the plurality of providers of copy protection technology, wherein each of the plurality of instances is for a different identity of the plurality of identities of the plurality of providers of copy protection technology, wherein the second field is for containing identities of a plurality of devices that are unauthorized for use of content and wherein the plurality of devices are associated with the one of the plurality of providers of copy protection technology identified in the first field, and wherein the selecting of the first plurality of packets is performed by at least one central processing unit (CPU); and preventing the use of the content in accordance with the data of the first plurality of packets, wherein the MPEG-type transport stream further includes a second plurality of packets that include the content, and wherein none of the packets of the first plurality of packets contains the content.