...standard. 4.4. EA P-T TLS Funk Software and Certicom developed the Extensible Authentication Protocol over TunnelledTransport Layer Security (EAP-TTLS) on the basis of EAP-TLS. This method does not require a PKI because only...
http://www.seh.de/download/document/2008-09_SEH-Whitepaper_SecureWLAN.pdf