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Date: Wed, 3 Oct 2012 00:13:32 +0400
From: Solar Designer <>
Subject: Re: Two questions (or feature suggestion) about JTR usage.

On Tue, Oct 02, 2012 at 09:16:12PM +0200, magnum wrote:
> Second, doc/EXTERNAL describes a way to achieve what you want, but it will be a bit of a hack:
> "John the Ripper 1.7.9 and newer pre-defines two additional variables: "abort" and "status", both of type "int".  When set to 1 by an external mode, these cause the current cracking session to be aborted or the status line to be displayed (just like on a keypress), respectively.  These actions are taken after having tested at least all of the candidate passwords that were in external mode's "word" so far.  In other words, the actions may be delayed in order to process any buffered candidate passwords."
> If you create an external filter that use this, it might affect performance for fast hashes though.

That's correct.  Just a minor addition: there are also predefined
external filters called AutoAbort and AutoStatus - they may be revised
as needed and used.


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