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Wireshark-users: Re: [Wireshark-users] WEP & WPA decryption

From: Gerald Combs <gerald@xxxxxxxxxxxxx>
Date: Thu, 14 Jul 2011 13:04:11 -0700
The 802.11 WPA passphrase and SSID preferences let you encode
non-printable or otherwise troublesome characters using URI-style
percent escapes, e.g. %20 for a space. As a result you have to escape
the percent characters themselves using %25.

On 7/14/11 12:41 PM, kevin creason wrote:
> Just a thought- did you try escaping the % sign or enclosing with single quotes?
> So, try \&abcde1234\%, or single quotes as in '%abcde1234%'
> 
> Certain specials characters are extra special. :)
> 
> On windows, system variables are referenced as %NAME%.
> Other systems it can be Hash variable signifier...
> It's just a thought- I'm not sure if this is even remotely possible,
> but it's always good to check.
> 
> 
> 
> -Kevin
> /*“ I am looking for a lot of men who have an infinite capacity to not
> know what can't be done. ” -- Henry Ford  */
> 
> 
> 
> 
> On Thu, Jul 14, 2011 at 2:29 PM, Al Grant <bigal.nz@xxxxxxxxx> wrote:
>> HI All,
>>
>> A bit of a wireshark newbie here, but its such a powerful tool I am
>> experimenting and learning.
>>
>> So far my experiments have lead me to a few questions. With WPA decryption I
>> found that:
>>
>> With a WPA password of the format %word1234% I could not decrypt the
>> packets? I wonder if the '%' interfered with it? As soon as I changed the
>> password to abcd1234 it decrypted fine? Does anyone know what this was?
>>
>> Also with WEP decryption I assume that I do not need to capture the session
>> handshake?
>> With WEP decryption I have also had problems, I tried to enter the WEP Hex
>> value in several formats:
>>
>> wep:xx:xx:xx:xx:xx
>> xx:xx:xx:xx:xx
>> xxxxxxxxxx
>>
>> None of them worked - any ideas here?
>>
>> THanks in advance,
>>
>> -Al
>>
>>
>> --
>> Between stimulus and response there is a space. In that space is our power
>> to choose our response. In our response lies our growth and our freedom.
>>  - Viktor E. Frankl
>>
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