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Date: Tue, 15 Apr 2014 14:51:34 +0200
From: Adriano Di Luzio <>
Subject: Re: EXTRA characters.

Thank you, great answer. :)

From: magnum
Date: 14 Apr 2014 at 02:41:47
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  


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