Patent ID: 7721111
Filing Date: 2010-05-18
Classification: G06F,H04L

Abstract:
1. In a content playback device capable of locally playing back content and equipped with a digital rights management agent, a method of transcoding a secure content object, the method comprising: identifying an input format of the secure content object; identifying capabilities of a receiving playback device to which the secure content object is to be transferred via a communication with the receiving playback device; determining an output format for the secure content object based upon the identified capabilities; identifying, using a digital certificate, a plurality of trusted processing components to collectively transcode the secure content object from the identified input format to the determined output format, wherein each of said plurality of trusted processing components is associated with a corresponding unique identifier and said digital certificate includes unique identifiers corresponding to each of the plurality of trusted processing components; authenticating each of the trusted processing components using said associated corresponding unique identifiers prior to the respective processing component operating on the secure content object; and causing a change in a memory to indicate that each of the trusted components has been authenticated.