METHOD AND APPARATUS FOR PROTECTING DATA VIA APPLICATION OF CORRUPTING FUNCTION AND COMPLIMENTARY RESTITUTION AT VIDEO PROCESSING ENDPOINTS

摘要

A system, method and apparatus for protecting a media program having a plurality of frames is disclosed. In one embodiment, the method comprises receiving an encrypted plurality of compressed frames in a client device, wherein at least a first portion of the plurality of frames is corrupted before encryption according to one or more corruption operations; decrypting the plurality of compressed frames, decompressing the plurality of compressed frames to recover the plurality of frames, including the first portion of frames corrupted according to the one or more corruption operations, storing the plurality of frames in a frame buffer, extracting the stored plurality of frames from the frame buffer for processing by a graphics processing unit of the client device, at least substantially decorrupting at least some of the corrupted plurality of frames according to one or more decorruption operations in the graphics processing unit, and providing the plurality of frames including the decorrupted plurality of frames for display.