A secure wireless LAN system retaining privacy

We propose a secure wireless LAN system for casual users at event sites or Hotspots who want safer and easier access to the networks. It protects users' privacy by creating separated SSL sessions for each user, while the WEP shares one encryption key among all users. In the proposed system, in order to access the Internet, a user shows "SPKI-based authorization ticket" in SSL client-authentication phase instead of an ordinary X.509 certificate....