Patent ID: 8458459

Claim:
A client device comprising: a memory for storing a current version certificate, the current version certificate having a corresponding current version; at least one device interface for communications to and from a certification authority and a local station; a processing module, coupled to the memory and the at least one device interface, that: receives a current instance certificate, via the communications from the certificate authority, wherein the current instance certificate includes the current version identifier of the current version certificate and a current instance public key corresponding to a current instance private key; sends the current instance certificate, via the communications to the local station, during a registration with the local station; generates a request for video content and sends the request via the communications to the local station; receives first encrypted data, via the communications from the local station, wherein the first encrypted data includes a content key that is encrypted via the current instance public key; and receives second encrypted data via the communications from the local station, wherein the second encrypted data includes the video content that is encrypted via the content key.