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System and method for providing WLAN security through synchronized update and rotation of WEP keys

  • US 20060078124A1
  • Filed: 11/15/2005
  • Published: 04/13/2006
  • Est. Priority Date: 05/21/2002
  • Status: Active Grant
First Claim
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1. A system for improved security for wireless local area networks, and comprised of:

  • a wireless local area network providing wireless communications links for the transmission of data between the two or more communicating entities;

    one or more generators for creating pseudorandom encryption keys for the communicating entities; and

    one or more controllers for selecting a transmission encryption key index on a rotating basis to point to a pseudorandom encryption key from a set of active pseudorandom encryption keys, and updating the set of active pseudorandom encryption keys for each communicating entity;

    wherein the step of selecting the transmission encryption key index and the step of updating are not required to be precisely synchronous.

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