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Network Security Pen-Test
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Re: wireless WEP crack.

Subject: Re: wireless WEP crack.
Date: Tue, 21 Jun 2005 12:34:32 -0400
KoreK started to implement this attack in chopchop (which is basically an inverse adaptive chosen plaintext attack), but I haven't seen a released version of chopchop that had this attack completed. If you are interested in implementing this attack, you might consider finishing where KoreK started. Chopchop v0.1 is available at http://www.netstumbler.org/showthread.php?t=12489.

Note that the concept of traditionally weak IV's (b+3:ff:n) has largely been deprecated. Tools such as Aircrack and WepLab use a much larger group of IV's to recover the WEP key, making it impossible to filter all the new classes of "weak IV" possibilities (as this would significantly reduce the overall IV space for WEP).

-Josh

Michael Sierchio wrote:
Just out of curiosity, are there tools available to mount
the adaptive chosen plaintext attack against WEP?  This
attack always succeeds, and is not dependent on weak
keys.
--
-Joshua Wright
jwright@hasborg.com
http://home.jwu.edu/jwright/

pgpkey: http://home.jwu.edu/jwright/pgpkey.htm
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