wpa_supplicant in adhoc WPA-PSK mode

Ujjal Roy royujjal
Fri Nov 6 04:37:22 PST 2009

Jouni Malinen wrote:

If I can create a network with the configuration RSN IBSS (proto = 
WPA2), should I use wpa_supplicant to join with this network? That 
means, wpa_supplicant can do the handshake mechanism?

> On Fri, Nov 06, 2009 at 03:24:18PM +0530, Ujjal Roy wrote:
>> Is that possible in wpa_supplicant-0.6.9 ? I am right about my question  
>> and the configuration is correct.
> The network block you described (IBSS network with WPA(v1) PSK) is
> invalid. There is no such mechanism. IBSS can either use WPA-None (no
> 4-way handshake, just fixed TKIP/CCMP keys) or RSN IBSS (proto=WPA2) and
> 4-way handshake.
>> I have created a network in which iwconfig displays like -
>>          ESSID:"UJJAL"  Nickname:""
>>          Mode:Ad-Hoc  Frequency:2.437 GHz  Cell: 02:21:01:4D:70:31        
>>    Bit Rate:54 Mb/s   Tx-Power=9 dBm           Retry limit:9   RTS 
>> thr=2347 B   Fragment thr=2346 B           Encryption key:<too big>   
>> Security mode:open
>>          Power Management:off
>>          Link Quality:0/100  Signal level:-98 dBm  Noise level:-98 dBm
>>          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:110771
>>          Tx excessive retries:12  Invalid misc:260   Missed beacon:0
>> I want to join with this network. Is there any application, if  
>> wpa_supplicant will not work, which can join to this network?
> How is that network configured as far as security policy is concerned?

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