Patent ID: 11886545
Assignee: DIVX, LLC
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 27:
28. A content provider system comprising:
a set of one or more processors; and
a memory, wherein the memory comprises an application for causing the set of processors to perform the steps of:
encrypting a set of video content using a set of content keys that are encrypted using a set of one or more user encryption keys associated with a client device;
providing the set of content keys for the set of video content from the content provider system to a trusted server system;
receiving a first request from a client device for the set of video content;
sending a second request associated with the set of video content from the content provider system to the trusted server system;
receiving a playback certification based on the second request and the set of content keys, wherein the playback certification comprises an encrypted copy of the set of content keys, wherein the encrypted copy of the set of content keys are encrypted using at least one user encryption key specific to a unique user account of the client device, wherein the at least one user encryption key specific to the unique user account is known to one or more playback devices associated with the user account and the trusted server system; and
providing the requested set of video content and the playback certification to the client device.