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Date: Thu, 13 Aug 2015 09:10:12 +0200
From: Frank Dittrich <frank.dittrich@...lbox.org>
To: john-dev@...ts.openwall.com
Subject: Re: Lei's weekly report #15

On 08/13/2015 06:46 AM, jfoug@....net wrote:
> On Wed, 12 Aug 2015 23:05:14 -0500, Lei Zhang <zhanglei.april@...il.com>
> wrote:
>> I found those 24 uncracked passwords are indeed the longest passwords,
>> with a length of 25, while the SIMD build of episerver only support
>> plaintext length of up to 19.
>>
>> So I guess the number 1476 will need to be put in jtrts.dat.
>>
>>
>> Lei
> 
> $ ./count_finder.pl 25 19 1500 pw.dic
> Found 1500 of length 25  (required 1556 total lines to do)
> Found 1476 of length 19
> 
> I had to change the script to allow it to also look into pw.dic, but
> once done, my counter script validates that if you can only handle 19
> byte words, but the file was originally built with 25 byte words, that
> your run will only find 1476 of them.  I can easily change the TS to fix
> this for your update to the format.

If some formats optimized for speed reduce the supported max. password
length, do we need an autoconf option to prefer max. password length
over max speed?

In most cases, you will not crack many passwords of length 20, but
sometimes it will matter.

Frank

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