Patent ID: 8687801

Claim:
A content import apparatus for acquiring data regarding a domain, the apparatus comprising: an import function apparatus which receives domain information comprising a domain key identifier corresponding to the domain from a domain information providing apparatus and which receives content from an external source; and a digital rights management (DRM) manager client apparatus which receives an updated domain key which is a valid domain key currently being used in the domain from a digital rights management (DRM) object providing apparatus which is a separate apparatus from the domain information providing apparatus, wherein the DRM client apparatus determines whether a domain key stored in the DRM client apparatus needs to be updated by using the domain information, and receives the updated domain key when it is determined that the domain key needs to be updated, wherein the content import apparatus converts the received content into domain content using the domain information and the updated domain key, wherein the content import apparatus communicates with the domain information providing apparatus of a home network that provides the domain information and with the data rights management (DRM) object providing apparatus of the home network that provides the updated domain key, the domain information comprises the domain key identifier, an identifier of a policy followed by the domain, location information of the predetermined domain, location information of the DRM object providing apparatus, an identifier of the domain, membership state information that is utilized in license generation for the imported content, and the content import apparatus provides the imported content with the updated domain key to the devices in the home network for playback.