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Date: Wed, 3 Jun 2015 21:06:17 +0300
From: Aleksey Cherepanov <>
Subject: Re: [Johnny] Task 1.6.1 Multiple cracking session


On Tue, Jun 02, 2015 at 02:14:09PM -0400, Mathieu Laprise wrote:
> Also, I understand why we need to keep track of the input password files
> and .rec files to achieve this but why do we need to keep track of the .pot
> files as Shinnok said ?

Shinnok - did you mean something specific?

> Last but not least, will the "Open session" button becomes a file browser
> for any .rec files or will we manually keep track of the 5-10 or 20 last
> sessions and show them in a UI friendly drop down list.

Johnny has additional .johnny files (only 1 so far) to store its own
session description.

It is not possible to support .rec files from command line invocations
of john in general way: .rec stores paths as provided, so there may be
relative paths. To restore such session pwd should be known, it is not
trivial to guess it (at least with default .rec file).

AFAIK .pot files are not specified from johnny. Default .pot is used.
So it is not needed to track it. User can change .pot file through
john.conf but it is not something to handle in Johnny. To specify .pot
file is a separate task and I am not sure that it is needed. There are
scenarios to use it: user may want to crack from the very beginning to
collect statistics by attacks in form of .pot files (one attack - one
.pot, `wc -l *.pot` shows stats).


Aleksey Cherepanov

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