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Methods and apparatus for a keying mechanism for end-to-end service control protection

  • US 20070263873A1
  • Filed: 05/15/2006
  • Published: 11/15/2007
  • Est. Priority Date: 05/15/2006
  • Status: Active Grant
First Claim
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1. A method comprising:

  • providing a mobile station (STA) with a service controller identification of a service controller, when associating the STA with a wireless network;

    forwarding to the service controller, on behalf of the STA, a service configuration request received from the STA, that includes a first random number generated by the STA in response to receipt of the service controller identification, for the service controller to symmetrically generate a temporal integrity pairwise key (TIPK) for secured control communication between the service controller the STA, the TIPK comprising the first random number and a second random number to be generated by the service controller in response to receipt of the first random number; and

    forwarding to the STA, on behalf of the service controller, a service configuration response received from the service controller that includes the second random number generated by the service controller, for the STA to symmetrically generate the TIPK for said secured control communication with the service controller.

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