802.11r: Iinvalid MIC in msg 2/4 of 4-Way Handshake

[Jouni Malinen]

On Tue, Jan 20, 2009 at 02:01:32PM -0800, Ahmad Ali Tabassam wrote:

> I am working on 802.11r, my?initial 802.11r authentication and association is working fine (completed successfully) using the wpa_suppliant-0.6.7 and hostapd-0.6.7. But the 4-way handshake authentication always failed.

> FT: PMK-R0 - hexdump(len=32): [REMOVED]
> FT: PMKR0Name - hexdump(len=16): 6a 6f b8 ff 07 bf 81 45 12 e3 ff a2 14 08 ae 61
> FT: PMK-R1 - hexdump(len=32): [REMOVED]
> FT: PMKR1Name - hexdump(len=16): 6f 22 35 14 63 54 cc 6b 33 7d 8f 60 27 b9 ba 9a
> FT: PTK - hexdump(len=64): [REMOVED]
> FT: PTKName - hexdump(len=16): 55 a9 4c cb c5 4e 87 a5 bc 46 0d 45 83 25 2b 0c
> wlan0: STA 00:1d:0f:f9:22:77 WPA: invalid MIC in msg 2/4 of 4-Way Handshake

I have been unable to reproduce this. Could you please send me verbose
debug log (-ddK on command line) from both hostapd and wpa_supplicant
for the same 4-way handshake?

-- 
Jouni Malinen                                            PGP id EFC895FA