full-disclosure - Re: Cracking the entire set of DES-based crypt(3) hashes. Interested ?

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Date: Mon, 30 Jul 2007 15:38:28 -0400
From: Michael Holstein <michael.holstein@...ohio.edu>
To: full-disclosure@...ts.grok.org.uk
Subject: Re: Cracking the entire set of DES-based crypt(3)
 hashes. Interested ?

>
> JtR will only succeed if the password is based on frequently used
> characters. If it is truly random and 8 characters long, JtR will not
> be able to crack it.
>   

Sure it will, it just takes adjustments to john.conf and a *lot* longer.
djohn (distributed JtR) was written to address this :

http://ktulu.com.ar/blog/software/djohn
> I am talking about cracking the *entire* set of DES-based crypt hashes.
>   
The EFF built a gizmo (in 1998 no less) that could to it in 4.5 days on 
average :

http://www.schneier.com/crypto-gram-9808.html

I'd bet a good VHDL programmer with the cash to cough up for top-notch 
Xlinix gear could do it cheaper and faster.

Is this what you're planning on doing?

~Mike.

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