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Two-Factor Content Protection

  • US 20070300080A1
  • Filed: 06/22/2006
  • Published: 12/27/2007
  • Est. Priority Date: 06/22/2006
  • Status: Abandoned Application
First Claim
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1. A method for protecting content stored in a first device, the method comprising:

  • encrypting a content protection key belonging to the first device using a public key of a public/private key pair belonging to a second, different, device, wherein the second device is an authentication device that is used to limit use of the first device solely to authorized users.

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