03.11.2012 Views

Wireless LAN Security with 802.1x, EAP-TLS, and PEAP - Black Hat

Wireless LAN Security with 802.1x, EAP-TLS, and PEAP - Black Hat

Wireless LAN Security with 802.1x, EAP-TLS, and PEAP - Black Hat

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Windows P<strong>EAP</strong> authentication<br />

First phase<br />

�� Supplicant performs regular 802.11<br />

association<br />

�� Supplicant sets up <strong>TLS</strong> channel <strong>with</strong><br />

authenticator <strong>and</strong> requests authentication<br />

server’s certificate<br />

�� Supplicant—<br />

Verifies name <strong>and</strong> dates on certificate<br />

Validates chain

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