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Method for Requesting, Generating and Distributing Service-Specific Traffic Encryption Key in Wireless Portable Internet System, Apparatus for the Same, and Protocol Configuration Method for the Same

  • US 20070281665A1
  • Filed: 12/08/2004
  • Published: 12/06/2007
  • Est. Priority Date: 12/09/2003
  • Status: Active Grant
First Claim
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1. A method for requesting a service-specific traffic encryption key from a subscriber station to a base station in a wireless portable Internet system, the method comprising:

  • (a) determining a service type for the requested traffic encryption key to be used for security on a traffic connection to the base station prior to establishing the traffic connection;

    (b) generating a Key Request message for requesting a traffic encryption key corresponding to the determined service type; and

    (c) sending the generated Key Request message to the base station using a media access control (MAC) message.

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