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<TITLE>RE: WPA PSK-key length problem?</TITLE>
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<P ALIGN=LEFT><FONT SIZE=2 FACE="Courier New">I</FONT><FONT SIZE=2 FACE="Courier New">n</FONT> <FONT SIZE=2 FACE="Courier New">fact here is the</FONT> <FONT SIZE=2 FACE="Courier New">packet which</FONT> <FONT SIZE=2 FACE="Courier New">is generated by the</FONT> <FONT SIZE=2 FACE="Courier New">WAP</FONT> <FONT SIZE=2 FACE="Courier New">cli</FONT><FONT SIZE=2 FACE="Courier New">e</FONT><FONT SIZE=2 FACE="Courier New">nt</FONT> <FONT SIZE=2 FACE="Courier New">I</FONT><FONT SIZE=2 FACE="Courier New"></FONT> <FONT SIZE=2 FACE="Courier New">am</FONT> <FONT SIZE=2 FACE="Courier New">using,</FONT></P>
<P ALIGN=LEFT><FONT SIZE=2 FACE="Courier New">00 0f 34 89 29 8d 00 40 17 8b 82 f5 88 8e 01 03</FONT><FONT SIZE=2 FACE="Courier New">00 77 fe 09 01 00 20 00 00 00 00 00 00 00 01 51</FONT><FONT SIZE=2 FACE="Courier New">2f d3 48 cd 31 98 0e b7 55 6b 6a 2f a9 57 88 0d</FONT><FONT SIZE=2 FACE="Courier New">11 c2 a3 42 4c 89 ee 42 a6 c5 26 7b 58 2c 94 45</FONT><FONT SIZE=2 FACE="Courier New">43 44 49 44 43 45 47 44 46 43 41 43 41 43 41 43</FONT><FONT SIZE=2 FACE="Courier New">41 43 41 43 41 41 41 00 00 20 00 01 c0 0c 00 f9</FONT><FONT SIZE=2 FACE="Courier New">86 a2 e4 75 54 a6 9b c3 33 ea 71 1e 94 23 ab</FONT><B> <FONT COLOR="#0000FF" SIZE=2 FACE="Courier New">18</FONT></B><B><FONT COLOR="#0000FF" SIZE=2 FACE="Courier New">00</FONT></B><FONT SIZE=2 FACE="Courier New"> dd 16 00 50 f2 01 01 00 00 50 f2 05 01 00 00</FONT><FONT SIZE=2 FACE="Courier New">50 f2 02 01 00 00 50 f2 02</FONT></P>
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<P ALIGN=LEFT><FONT SIZE=2 FACE="Courier New">a</FONT><FONT SIZE=2 FACE="Courier New">nd</FONT> <FONT SIZE=2 FACE="Courier New">here too the length is in</FONT><FONT SIZE=2 FACE="Courier New"></FONT> <FONT SIZE=2 FACE="Courier New">fact 18 i.e.</FONT> <FONT SIZE=2 FACE="Courier New">24.</FONT></P>
<P ALIGN=LEFT><FONT SIZE=2 FACE="Courier New">I</FONT><FONT SIZE=2 FACE="Courier New"></FONT> <FONT SIZE=2 FACE="Courier New">am also wondering</FONT> <FONT SIZE=2 FACE="Courier New">why AP is expecting 26 bytes</FONT><FONT SIZE=2 FACE="Courier New"> in your case</FONT><FONT SIZE=2 FACE="Courier New">...</FONT></P>
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<P ALIGN=LEFT><FONT SIZE=2 FACE="Courier New">-----Original Message-----<BR>
</FONT><FONT SIZE=2 FACE="Courier New">From:</FONT><FONT SIZE=2 FACE="Courier New"> hostap-bounces+manojv=noida.hcltech.com@shmoo.com [<A HREF="mailto:hostap-bounces+manojv=noida.hcltech.com@shmoo.com">mailto:hostap-bounces+manojv=noida.hcltech.com@shmoo.com</A>]</FONT> <FONT SIZE=2 FACE="Courier New">On Behalf Of</FONT> <FONT SIZE=2 FACE="Courier New">Holger</FONT> <FONT SIZE=2 FACE="Courier New">Schurig<BR>
</FONT><FONT SIZE=2 FACE="Courier New">Sent:</FONT><FONT SIZE=2 FACE="Courier New"> Monday, March 07, 2005 4:37 PM<BR>
</FONT><FONT SIZE=2 FACE="Courier New">To:</FONT><FONT SIZE=2 FACE="Courier New"> hostap@shmoo.com<BR>
</FONT><FONT SIZE=2 FACE="Courier New">Subject:</FONT><FONT SIZE=2 FACE="Courier New"> Re: WPA PSK-key length problem?</FONT></P>
<P ALIGN=LEFT><FONT SIZE=2 FACE="Courier New">Hmm, I dissected the sent key and got this:</FONT></P>
<P ALIGN=LEFT><FONT SIZE=2 FACE="Courier New">Dest MAC: 00 12 7f 8b 62 30</FONT></P>
<P ALIGN=LEFT><FONT SIZE=2 FACE="Courier New">Source MAC: 00 10 c6 30 9b fe</FONT></P>
<P ALIGN=LEFT><FONT SIZE=2 FACE="Courier New">EAPOL: 88 8e = ETH_P_EAPOL</FONT></P>
<P ALIGN=LEFT><FONT SIZE=2 FACE="Courier New">Version: 01</FONT></P>
<P ALIGN=LEFT><FONT SIZE=2 FACE="Courier New">Packet Type: 03 = IEEE802_1X_TYPE_EAPOL_KEY</FONT></P>
<P ALIGN=LEFT><FONT SIZE=2 FACE="Courier New">Packet Body Len: 00 77 = 119</FONT></P>
<P ALIGN=LEFT><FONT SIZE=2 FACE="Courier New">key_type: fe = EAPOL_KEY_TYPE_WPA</FONT></P>
<P ALIGN=LEFT><FONT SIZE=2 FACE="Courier New">key_info: 01 09</FONT></P>
<P ALIGN=LEFT><FONT SIZE=2 FACE="Courier New">key_len: 00 20</FONT></P>
<P ALIGN=LEFT><FONT SIZE=2 FACE="Courier New">replay_counter: 00 00 00 00 00 00 00 02</FONT></P>
<P ALIGN=LEFT><FONT SIZE=2 FACE="Courier New">key_nonce: cf 1d 81 62 ab c0 30 7a 7e c0 31 43 c9 0d 49 7f</FONT></P>
<P ALIGN=LEFT><FONT SIZE=2 FACE="Courier New"> </FONT> <FONT SIZE=2 FACE="Courier New"> 79 97 12 8c 05 36 a7 cd 86 f0 b3 ef 7b 12 0d ec</FONT></P>
<P ALIGN=LEFT><FONT SIZE=2 FACE="Courier New">key_iv: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00</FONT></P>
<P ALIGN=LEFT><FONT SIZE=2 FACE="Courier New">key_rsc: 00 00 00 00 00 00 00 00</FONT></P>
<P ALIGN=LEFT><FONT SIZE=2 FACE="Courier New">key_id: 00 00 00 00 00 00 00 00</FONT></P>
<P ALIGN=LEFT><FONT SIZE=2 FACE="Courier New">key_mic: 96 5f c7 be 53 3f 7f a7 f9 36 d</FONT><FONT SIZE=2 FACE="Courier New">9 c3 e4 80 e7 62</FONT></P>
<P ALIGN=LEFT><FONT SIZE=2 FACE="Courier New">data_length 00 18 = 24 bytes</FONT></P>
<P ALIGN=LEFT><FONT SIZE=2 FACE="Courier New">WPA-IE: dd 16 00 50 f2 01 01 00 00 50 f2 02 01 00 00 50</FONT></P>
<P ALIGN=LEFT><FONT SIZE=2 FACE="Courier New"> f2 02 01 00 00 50 f2 02</FONT></P>
<P ALIGN=LEFT><FONT SIZE=2 FACE="Courier New">But I fail to see why the AP expects 26 bytes.</FONT></P>
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