Re: WEP Encryption Detection

On Tue, Jul 16, 2002 at 10:51:28AM -0700, [email protected] said:
> Hi all,
>  I've successfully set up a system.
> CPQ M300
> OpenBSD 3.1-current (thank you jsyn)
> Linksys WPC11 (v2.5)  - Prism 2.5 chipset
> 
> 1. How can I detect if the network traffic is using WEP or is being sent
> clear-text?

you'll see a small 'w' in the top left box of the dstumbler display if the
network uses WEP.

> 2. If it is detected is there any way of determining what level of
> encryption is being used (40bit vs 104bit) without actually breaking the
> encryption?

Look at the docs in the BAT distribution; I seem to recall that there's not
any reliable way to tell, but collecting packets regardless and feeding them
to dwepcrack will generally get you a WEP key.
-- 
-= Scott Francis || darkuncle (at) darkuncle (dot) net =-
  GPG key CB33CCA7 has been revoked; I am now 5537F527
        illum oportet crescere me autem minui

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