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Message-ID: <20110819171912.GA5464@openwall.com>
Date: Fri, 19 Aug 2011 21:19:12 +0400
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: Re: 45% wordlist boost just waiting to happen
magnum -
On Fri, Aug 19, 2011 at 06:34:11PM +0200, magnum wrote:
> There is one caveat though: We are now truncating words as we load them
> to memory.
This is unacceptable for the reason you give below.
> I'm not sure how things are supposed to work, maybe for a
> length 27 format we should be able to load eg. a length 32 word, delete
> 5 characters from the *beginning* of it with a rule, and end up with the
> remaining 27? If this is supposed to be supported we'll need to tweak it
> a little.
Yes, and it is extremely important for hashes with low truncation length
(7 and 8 with LM and DES-based crypt, respectively).
Thanks,
Alexander
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