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Methods and systems for re-securing a compromised channel in a satellite signal distribution environment

  • US 10,321,201 B2
  • Filed: 04/25/2017
  • Issued: 06/11/2019
  • Est. Priority Date: 12/21/2009
  • Status: Active Grant
First Claim
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1. A set top box comprising:

  • a communications interface configured to communicate with a channel stacking switch over a communication channel, the channel stacking switch distributing satellite signals to a plurality of receivers; and

    a processing entity configured to encrypt data destined for the channel stacking switch using a public key of the channel stacking switch, obtain a message from a head end via the communications interface, extract electronic counter measure (ECM) data from the message, send the ECM data to the channel stacking switch via the communication interface, receive a new public key of the channel stacking switch via the communications interface and begin encrypting subsequent data destined for the channel stacking switch using the new public key of the channel stacking switch.

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