×

Retrieval and transfer of encrypted hard drive content from DVR set-top boxes

  • US 20060041905A1
  • Filed: 08/18/2004
  • Published: 02/23/2006
  • Est. Priority Date: 08/18/2004
  • Status: Active Grant
First Claim
Patent Images

1. A method for retrieval and transfer of encrypted content from a first set-top box, said method comprising the following steps:

  • encrypting content to be stored on a first storage device of the first set-top box with a content instance key;

    encrypting said content instance key with a public key of the first set-top box; and

    encrypting a duplicate of said content instance key with one or more public keys of other than the first set-top box.

View all claims
  • 5 Assignments
Timeline View
Assignment View
    ×
    ×