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SECURE AND EFFICIENT DOMAIN KEY DISTRIBUTION FOR DEVICE REGISTRATION

  • US 20100169646A1
  • Filed: 12/29/2008
  • Published: 07/01/2010
  • Est. Priority Date: 12/29/2008
  • Status: Active Grant
First Claim
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1. A method of transferring a domain key between a first device and a second device in a network, the method comprising:

  • verifying the second device and the first device are authorized devices through certificates;

    receiving a first random number from the second device, wherein the first random number is encrypted;

    determining a second random number at the first device;

    sending the second random number from the first device to the second device;

    determining a Personal Identification Number (PIN) at the first device;

    instructing entry of the PIN in the second device;

    generating a session key from the first random number, the second random number, and the PIN; and

    sending the domain key encrypted with the session key from one device to the other device.

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