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Date: Sat, 12 Sep 2015 17:15:46 +0200
From: Frank Dittrich <frank.dittrich@...lbox.org>
To: john-dev@...ts.openwall.com
Subject: Re: mask + external as filter, generic combinable filters

On 09/12/2015 05:10 PM, magnum wrote:
> Yes, currently when combining mask mode with external, external is the
> generator and mask mode is an amplifier (eg. word -> word1, word2, word3).
> 
> We should probably support the other way round too, eg. mask generator
> and external filter. But what would the option syntax be for selecting
> behavior? If nothing else, an external mode that lacks generate(), like
> in your case, should automagically select mask mode as the generator.

Yes, I think if external mode lacks a generate() function, mask mode is
the generator.
If external mode has a generate() function, the mask must contain either
"?w" or "?W".
For --regex it would be similar. If the external mode has a generate()
function, it is the generator, and --regex must contain "\0".

Frank

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