On Tuesdays the USPTO issues new patents. Both of today's Spotlight Patents concern aspects of digital rights management. Assigned to Disney, the first patent addresses techniques for indentifying a device implementing a digital rights management protocol. Assigned to Samsung, the second patent addresses techniques for managing digital rights of portable storage device.
7,870,273, "Method and system for indentifying a device implementing a digital rights management protocol," assigned to Disney.
A system and method is provided for identifying electronic devices belonging to the same authenticated user to allow access to shared media even if the electronic devices use incompatible digital rights management (DRM) schemes. By providing a method of registering electronic devices in a centralized rights server database, a user can acquire DRM licenses for the appropriate electronic device by simply registering the electronic devices. When the user later requests a DRM license, it only needs to provide cryptographic proof of a UID, or unique identifier, assigned to the device by the rights server. In this manner, media can he shared across devices Using incompatible DRM schemes.
7,870,397, "Method and apparatus for managing digital rights of portable storage device," assigned to Samsung (KR).
A method and apparatus for managing digital rights of a portable storage device are provided. The method comprises a device performing authentication together with the portable storage device and sharing an encryption key with the portable storage device as a result of the authentication, requesting a rights object list from the portable storage device, receiving the rights object list from the portable storage device, and processing and displaying the rights object list.