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Date: Tue, 15 Apr 2014 14:51:34 +0200
From: Adriano Di Luzio <adrianodl@...mail.it>
To: john-users@...ts.openwall.com
Subject: Re: EXTRA characters.

Thank you, great answer. :)

From: magnum john.magnum@...hmail.com
Reply: john-users@...ts.openwall.com john-users@...ts.openwall.com
Date: 14 Apr 2014 at 02:41:47
To: john-users@...ts.openwall.com john-users@...ts.openwall.com
Subject:  Re: [john-users] EXTRA characters.  

On 2014-04-14 02:33, magnum wrote:  
> Now bump CharCount to 38 and add a line "Extra = XY" in john.conf for  
> that mode. It will now generate passwords using lower alpha, digits and  
> those two upper-case characters. Check the tail for length 4 again and  
> you'll see that the last candidate is YYYY. The first word containing  
> any of the extra characters (a single "X") is #22984 when limited to  
> length 4, but beyond 400 million if not (I aborted after a couple of  
> minutes).  
>  
> BTW the "Extra" stuff is apparently b0rken in bleeding-jumbo. I'll have  
> a look at that.  

That was a red herring, it was because I did not bump CharCount. Maybe  
John should warn about that, or better use the Extra even if we exceed  
CharCount (just like when your training data has more characters than  
CharCount).  

magnum  




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