802.1X Unicast Keys?

raghu at sraamerica.com raghu at sraamerica.com
Fri Dec 20 22:39:31 EST 2002


Hi,   
   
My Setup is XSupplicant, HostAP(client), HostAP(AP),   
Hostapd (Authenticator), FreeRADIUS.   
I modified Xsupplicant code to work with EAPOL key frames.   
   
Hostapd -b13 option is working as expected. ie EAPOL key   
frame   
is properly sent from hostapd to xsupplicant after EAP/TLS   
authentication is successful.   
   
$ ./hostapd -x -b13 -o192.168.1.1 -a192.168.1.1 -stest   
-SSSID wlan0   
......   
IEEE 802.1X: 00:04:5a:0d:f4:68 BE_AUTH entering state   
SUCCESS   
IEEE 802.1X: 00:04:5a:0d:f4:68 REAUTH_TIMER entering state   
INITIALIZE   
IEEE 802.1X: 00:04:5a:0d:f4:68 AUTH_PAE entering state   
AUTHENTICATED   
IEEE 802.1X: Authorizing station 00:04:5a:0d:f4:68   
IEEE 802.1X: 00:04:5a:0d:f4:68 BE_AUTH entering state IDLE   
DEBUG: STATE_MACHINE KEY TRANSMIT   
IEEE 802.1X: 00:04:5a:0d:f4:68 AUTH_KEY_TX entering state   
KEY_TRANSMIT   
IEEE 802.1X: Sending EAPOL-Key(s) to 00:04:5a:0d:f4:68   
(identifier 6)   
Station 00:04:5a:0d:f4:68 authenticated (open system)   
Station 00:04:5a:0d:f4:68 associated (aid 1)   
   
   
But with -i13 option, I didnot find EAPOL AUTH_KEY_TX   
state machine   
getting triggered after EAP/TLS authentication is   
successful.   
   
$ ./hostapd -x -i13 -o192.168.1.1 -a192.168.1.1 -stest   
-SSSID wlan0   
......   
IEEE 802.1X: 00:04:5a:0d:f4:68 BE_AUTH entering state   
SUCCESS   
IEEE 802.1X: 00:04:5a:0d:f4:68 REAUTH_TIMER entering state   
INITIALIZE   
IEEE 802.1X: 00:04:5a:0d:f4:68 AUTH_PAE entering state   
AUTHENTICATED   
IEEE 802.1X: Authorizing station 00:04:5a:0d:f4:68   
IEEE 802.1X: 00:04:5a:0d:f4:68 BE_AUTH entering state IDLE   
   
   
Can someone please let me know, how hosapd unicast keys   
are supposed to work ? 
   
regards,   
-Raghu   
   




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