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Secure remote control for audio/video receiver/decoder

  • US 8,837,731 B2
  • Filed: 07/25/2011
  • Issued: 09/16/2014
  • Est. Priority Date: 07/26/2010
  • Status: Active Grant
First Claim
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1. A system, comprising:

  • a remote control device; and

    a security device, the remote control device and the security device being configured to share at least one attribute that is specific to a pair formed by the remote control device and the security device, the at least one attribute being one of a key and an algorithm/protocol, the pair being formed during an initialization phase of the remote control and security devices, the initialization phase occurring during manufacturing of the system, whereinthe remote control device is configured to communicate wirelessly with a receiver associated with the security device,the remote control device includes a transmitter configured to transmit a pairing data download request to the security device, the pairing data download request being a request for data associated with the pair formed by the remote control device and the security device,the security device is configured to forward the pairing data download request to a managing center and receive pairing data associated with the pairing data download request from the managing center, the pairing data including the at least one attribute,the remote control device is configured to receive the pairing data from the security device,the remote control device sends data to the receiver,the remote control device includes a first memory configured to store the key, and an encryption device configured to encrypt the data with the key stored in the first memory, andthe security device includes a decryption device, and a second memory configured to store the key, the decryption device being configured to decrypt the data received from the remote control device with the key stored in the second memory.

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