Authentification wpa failed - WPA: invalid MIC in msg 2/4 of 4-Way Handshake

jackbaker jackbaker at voila.fr
Fri Jan 29 06:16:54 EST 2010


hello,

Context : 

I work in a project which began in 2008 with wpa_supplicant 0.5.10 (A) and hostapd 0.5.10 (B) and Madwifi 9.3.2
Authentfication 802.1.x is working well between A and B with Mandriva 2008.

Services are working well with Manriva 2010 and I have installed Mandriva 2010 on A and B.
Authentfication 802.1.x is working well between A and B with Mandriva 2008.

Mandriva 2010 give me more services but I have to communicate with some computers with Mandriva 2008.


Default

But when A is working on Mandriva 2008 Madwifi 9.3.2 and B is working with Mandriva 2010 Madwifi 9.4.4,  Authentification wpa failed  for WPA: invalid MIC in msg 2/4 of 4-Way Handshake


1264761830.401944: ath1: STA 00:20:a6:51:a2:03 WPA: sending 1/4 msg of 4-Way Handshake
1264761830.401956: WPA: Send EAPOL(secure=0 mic=0 ack=1 install=0 pairwise=8 kde_len=0 keyidx=0 encr=0)
1264761830.401977: TX EAPOL - hexdump(len=113): 00 20 a6 51 a2 03 06 20 a6 61 37 cd 88 8e 02 03 00 5f fe 00 89 00 20 00 00 00 00 00 00 00 02 c7 35 0e 86 7d 58 3a ab e7 d7 e7 b2 22 62 f1 13 fd 42 14 36 0e 34 cf 69 7a a0 ca e8 66 ab 62 ca 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00              
IEEE 802.1X: 123 bytes from 00:20:a6:51:a2:03                                                       
   IEEE 802.1X: version=1 type=3 length=119                                                         
1264761830.403382: ath1: STA 00:20:a6:51:a2:03 WPA: received EAPOL-Key frame (2/4 Pairwise)         
1264761830.403399: WPA: 00:20:a6:51:a2:03 WPA_PTK entering state PTKCALCNEGOTIATING                 
1264761830.403464: PMK - hexdump(len=32): [REMOVED]                                                 
1264761830.403475: PTK - hexdump(len=64): [REMOVED]                                                 
1264761830.403500: ath1: STA 00:20:a6:51:a2:03 WPA: invalid MIC in msg 2/4 of 4-Way Handshake       
1264761830.608682: IEEE 802.1X: 00:20:a6:51:a2:03 REAUTH_TIMER entering state INITIALIZE            
1264761831.403061: ath1: STA 00:20:a6:51:a2:03 WPA: EAPOL-Key timeout                               
1264761831.403098: WPA: 00:20:a6:51:a2:03 WPA_PTK entering state PTKSTART                           
1264761831.403117: ath1: STA 00:20:a6:51:a2:03 WPA: sending 1/4 msg of 4-Way Handshake              
1264761831.403130: WPA: Send EAPOL(secure=0 mic=0 ack=1 install=0 pairwise=8 kde_len=0 keyidx=0 encr=0)                                                                                                 
1264761831.403151: TX EAPOL - hexdump(len=113): 00 20 a6 51 a2 03 06 20 a6 61 37 cd 88 8e 02 03 00 5f fe 00 89 00 20 00 00 00 00 00 00 00 03 c7 35 0e 86 7d 58 3a ab e7 d7 e7 b2 22 62 f1 13 fd 42 14 36 0e 34 cf 69 7a a0 ca e8 66 ab 62 ca 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00              
IEEE 802.1X: 123 bytes from 00:20:a6:51:a2:03                                                       
   IEEE 802.1X: version=1 type=3 length=119                                                         
1264761831.406711: ath1: STA 00:20:a6:51:a2:03 WPA: received EAPOL-Key frame (2/4 Pairwise)         
1264761831.406729: WPA: 00:20:a6:51:a2:03 WPA_PTK entering state PTKCALCNEGOTIATING                 
1264761831.406793: PMK - hexdump(len=32): [REMOVED]                                                 
1264761831.406805: PTK - hexdump(len=64): [REMOVED]                                                 
1264761831.406830: ath1: STA 00:20:a6:51:a2:03 WPA: invalid MIC in msg 2/4 of 4-Way Handshake       
1264761831.609069: IEEE 802.1X: 00:20:a6:51:a2:03 REAUTH_TIMER entering state INITIALIZE            
1264761832.404264: ath1: STA 00:20:a6:51:a2:03 WPA: EAPOL-Key timeout                               
1264761832.404301: WPA: 00:20:a6:51:a2:03 WPA_PTK entering state PTKSTART                           
1264761832.404321: ath1: STA 00:20:a6:51:a2:03 WPA: sending 1/4 msg of 4-Way Handshake              
1264761832.404334: WPA: Send EAPOL(secure=0 mic=0 ack=1 install=0 pairwise=8 kde_len=0 keyidx=0 encr=0)                                                                                                 
1264761832.404355: TX EAPOL - hexdump(len=113): 00 20 a6 51 a2 03 06 20 a6 61 37 cd 88 8e 02 03 00 5f fe 00 89 00 20 00 00 00 00 00 00 00 04 c7 35 0e 86 7d 58 3a ab e7 d7 e7 b2 22 62 f1 13 fd 42 14 36 0e 34 cf 69 7a a0 ca e8 66 ab 62 ca 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1264761832.404479: WPA: 00:20:a6:51:a2:03 WPA_PTK entering state DISCONNECT
1264761832.404498: hostapd_wpa_auth_disconnect: WPA authenticator requests disconnect: STA 00:20:a6:51:a2:03 reason 2
madwifi_sta_deauth: addr=00:20:a6:51:a2:03 reason_code=2


Solution ?

Is there a soluion ?

jacky forestier

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