Group Key Optimizations July 2003 Group Key Optimizations Tim Moore Microsoft Tim Moore, Microsoft

Allow GTK to be sent in Message 3 July 2003 Allow GTK to be sent in Message 3 Optimize number of round trips for key updates Removes key sync problem of installing Pairwise keys and sending group key update messages Removes delay in key update due to install of Pairwise key Removes sync issue in IBSS of installing Pairwise key while other STA is completing its 4-way Tim Moore, Microsoft

EAPOL-Key Use 2 reserved bytes for GTK length July 2003 EAPOL-Key Use 2 reserved bytes for GTK length Key id, RSC used for group key Secure bit set in 4-way message 3 and 4 Tim Moore, Microsoft

Change Authenticator state machine to use GTK length field July 2003 Change Authenticator state machine to use GTK length field Change STA pseudo code to check GTK length field Tim Moore, Microsoft

July 2003 Change text in 5.9.2, 5.9.3.2, 5.9.3.3 8.4.1, 8.4.8, 8.4.9 8.5.3.3, 8.5.3.5 Tim Moore, Microsoft

Motion! Insert changes described in 03/483-r0 to draft. July 2003 Tim Moore, Microsoft