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Date: Thu, 08 Jan 2015 20:46:37 +0100
From: magnum <>
Subject: Re: How to force John to count duplicate guesses?

Hmm you seem to have found a bug for us. Without rules, we have no
consecutive dupe supression at all now. We have had it in the past but
somehow it's not there now. This begs the question what *other* reason
make your figures lower...


On 2015-01-08 20:29, Rafael Veras wrote:
> Hi magnum,
> Yes, I can build it myself. Can you point me to the file/function I need to
> edit?
>> The exact fix depends on your exact command line (-pipe, -stdin or pure
> -wordlist, and
> whether you use rules or not).
> I don't use rules and prefer -stdin.
> Thanks,
> Rafael
> On Wed, Jan 7, 2015 at 9:15 PM, magnum <> wrote:
>> On 2015-01-07 21:51, Rafael Veras wrote:
>>> By the end of the experiment a get the following status line:
>>> 1956366g *7942070363p* 0:00:21:18 1530g/s 6214Kp/s 6214Kc/s 25268GC/s
>>> lyngemita..LynGemItA
>>> In bold is the number of password candidates tried. I expected to see
>>> 8000000000 there.
>>> After some toy experiments, I realized John might not be counting
>>> candidates that were already tried.
>>> From the status lines, I generate a graph with the performance of
>> guessing
>>> methods. Not counting duplicates artificially boosts the performance of
>>> this particular guessing method, in terms of hits/guesses.
>>> So is it possible to easily alter this behavior, either in john.conf or
>> in
>>> the source code?!
>> Even without the --dupe-suppression option, *consecutive* dupes are
>> suppressed and there is no option to turn that off. You can probably
>> hack that away fairly easy - can you build John yourself? The exaxt fix
>> depends on your exact command line (-pipe, -stdin or pure -wordlist, and
>> whether you use rules or not).
>> magnum

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