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Method and System for Protecting Cable Television Subscriber-Specific Information Allowing Limited Subset Access

  • US 20100122276A1
  • Filed: 12/18/2009
  • Published: 05/13/2010
  • Est. Priority Date: 01/24/2005
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • generating, by a computer, program usage records comprising program usage information for a plurality of households, and corresponding household identification information; and

    encrypting the program usage information in each of the records, wherein said each record'"'"'s encrypted program usage information is decryptable using a distinct decryption key that is based on the record'"'"'s corresponding household identification information.

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