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Date: Fri, 23 Sep 2011 05:53:59 +0400
From: Solar Designer <solar@...nwall.com>
To: john-users@...ts.openwall.com
Subject: Re: John the Ripper 1.7.8-jumbo-7

On Thu, Sep 22, 2011 at 07:36:28PM -0600, Stephen John Smoogen wrote:
> Ah so I guess I have been running up against CHARSET_MIN/MAX  in my
> previous tests. In the integer based calculations, I think  that if
> one wanted to make larger lengths, you needed to minimize the
> charsets.

Right.

> Which if I remember correctly to say make it from 32->126 to
> 32->255 the length would need to decrease by an amount to keep it from
> overflowing (length 5 off the top of my head.)

No, you could keep it at 8, and only decrease CHARSET_SCALE from 0x100
to 0x10 (lower fixed-point precision):

http://www.openwall.com/lists/john-users/2008/03/17/1

Alexander

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