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AUTHENTICATION AND SECURITY IN WIRELESS COMMUNICATION SYSTEM

  • US 20030033522A1
  • Filed: 12/10/1997
  • Published: 02/13/2003
  • Est. Priority Date: 12/10/1997
  • Status: Active Grant
First Claim
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1. A method for authentication in a wireless communication system, comprising the steps of:

  • establishing a wireless connection between a wireless access communication unit and a network;

    transmitting a subscriber identifier from said wireless access communication unit to the network, said subscriber identifier corresponding to a subscriber port of said wireless access communication unit;

    transmitting a numeric value from the network to said wireless access communication unit;

    receiving said numeric value at said wireless access communication unit;

    generating a signed response at said wireless access communication unit based upon said numeric value and a locally stored user key value associated with said subscriber port of said wireless access communication unit;

    transmitting said signed response from said wireless access communication unit to the network;

    receiving said signed response at the network;

    comparing the signed response to an authentication parameter derived at the network; and

    disallowing access to the network for the subscriber associated with said subscriber identifier unless said signed response matches said authentication parameter.

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