SYSTEMS, METHODS AND APPARATUSES FOR THE SECURE TRANSMISSION AND RESTRICTED USE OF MEDIA CONTENT

摘要

The systems, methods and apparatuses described herein permit encrypted media content to be displayed by an apparatus for a restricted time period. The apparatus (120) may comprise a communication interface (128) configured to couple to a controlling device (100) to transmit a first nonce and to receive the encrypted media content and an association encryption envelope. The association encryption envelope may comprise at least a second nonce and a first time restriction expressed as a first time interval. The apparatus (120) may further comprise a counter (129), a storage configured to store a value of the counter representing a time of when the first nonce is transmitted, and an engine (130) configured to perform operations according to the first time restriction.