Patent ID: 8532293
Filing Date: 2013-09-10
Classification: H04L,H04N

Abstract:
1. A method of operating a communication system comprising: communicating content signals to a gateway through one of a satellite or a terrestrial network; storing the content signals in a memory associated with the gateway; generating a request for content from a first user device of a plurality of user devices to the gateway; communicating an encrypted local key to the first user device from the gateway; decrypting the encrypted local key at the first user device to form a local key; encrypting a first content signal at the gateway with the local key to form a first encrypted content signal; communicating the first encrypted content signal to the first user device from the memory associated with the gateway in response to the request; decrypting the first encrypted content signal with the local key at the user device; generating a plurality of return signals from the plurality of user devices; and aggregating the plurality of return signals at the gateway to form an aggregate signal and communicating the aggregate signal to a head end.