(RADIATOR) EAP-MD5 WEP Key Rotation

Steve Caporossi capoross at musc.edu
Mon Jul 16 07:12:35 CDT 2007


Sorry for the delay in replying...I've been working on some other 
wireless issues.

I got this from the Radiator Manual...
  23.1 EAP MD5-Challenge

In EAP MD5-Challenge, the Radius server sends a random challenge to the 
client. The client forms an MD5 hash of the user's password and the 
challenge and sends the result back to the server. The server then 
validates the MD5 hash using the known correct plaintext password from 
the user database. EAP MD5-Challenge does support dynamic WEP keys.

Note the last sentence above.

Steve

Mike McCauley wrote:
> Hello Steve,
> 
> On Thursday 07 June 2007 03:43, Steve Caporossi wrote:
>> Is this a typo?
> 
> Yes. EAP MD5-Challenge on its own cannot generate the MPPE keys that are used 
> to create WEP keys.
> 
>> *****EAP MD5-Challenge does support dynamic WEP keys.*****
> 
> Where did you read that?
> 
> Cheers.
> 
>> Most documentation I see contradicts this...
>>
>>  From the Radiator documentation:
>>
>> 23.1 EAP MD5-Challenge
>> In EAP MD5-Challenge, the Radius server sends a random challenge to the
>> client. The client forms an MD5 hash of the user’s password and the
>> challenge and sends the result back to the server. The server then
>> validates the MD5 hash using the known correct plaintext password from
>> the user database.
>>
>> *****EAP MD5-Challenge does support dynamic WEP keys.*****
>>
>>
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