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Derivation method for cached keys in wireless communication system

  • US 20060083377A1
  • Filed: 10/15/2004
  • Published: 04/20/2006
  • Est. Priority Date: 10/15/2004
  • Status: Active Grant
First Claim
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1. A system for communicating information over a wireless network, comprising:

  • an authentication server operable to generate a first authentication key;

    a controller operable to receive and store the first authentication key and to generate derived authentication keys therefrom;

    a plurality of access points operable to advertise;

    the cache depth (N) supported by a group of access points within said plurality of access points;

    an ordered list of the identifiers for a derivation path for derived authentication keys;

    wherein selected access points are operable to generate transient authentication keys; and

    a station operable to associate with selected access points in said plurality of access points and to mutually derive said transient keys therefrom to establish an authenticated connection within said wireless network.

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