Ethereal-users: [Ethereal-users] WPA AES Malformed Group key EAPOL ?

Note: This archive is from the project's previous web site, ethereal.com. This list is no longer active.

From: "mmmgrrrl" <mmmgrrrl@xxxxxxxxxxx>
Date: Sun, 25 Jan 2004 17:43:52 -0800

         I'm successfully using a Linksys WPC54G adapter with a WRT54G router AP and WPA-PSK AES on an XP notebook.
         However, I'm curious about why ethereal indicates that the group key eapol sent from my AP to my pc is MALFORMED. 
         Any ideas? Thanks
         Here's a copy...
     
    Frame 6 (137 bytes on wire, 137 bytes captured)
    Arrival Time: Jan 24, 2004 23:40:41.059921000
    Time delta from previous packet: 0.005241000 seconds
    Time since reference or first frame: 1.196815000 seconds
    Frame Number: 6
    Packet Length: 137 bytes
    Capture Length: 137 bytes
   ...
    Type: 802.1X Authentication (0x888e)
    802.1x Authentication
    Version: 1
    Type: Key (3)
    Length: 119
    Descriptor Type: EAPOL WPA key (254)
    Key Information: 0x03a2
        .... .... .... .010 = Key Descriptor Version: AES-CBC-MAC for MIC and HMAC-SHA1 for encryption (2)
        .... .... .... 0... = Key Type: Group key
        .... .... ..10 .... = Key Index: 2
        .... .... .0.. .... = Install flag: Not set
        .... .... 1... .... = Key Ack flag: Set
        .... ...1 .... .... = Key MIC flag: Set
        .... ..1. .... .... = Secure flag: Set
        .... .0.. .... .... = Error flag: Not set
        .... 0... .... .... = Request flag: Not set
    Key Length: 16
    Replay Counter: 2
    Nonce: 8F1A989E3BDF073B6CC6A88F74A229B4...
    Key IV: 74297C8E78CD523B8E2FE64E3E812BFF
    WPA Key RSC: 0000000000000000
    WPA Key ID: 0000000000000000
    WPA Key MIC: ED2ECC053E76B53B2C4487A62531B22A
    WPA Key Length: 24
    WPA Key: 89D4D411809C36D9C044F5AA02877C7F...
        Tag Number: 137 (Reserved tag number)
        Tag length: 212
[Malformed Packet: EAPOL]