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Date: Fri, 31 Jul 2015 16:14:14 +0200
From: Frank Dittrich <frank.dittrich@...lbox.org>
To: john-dev@...ts.openwall.com
Subject: Re: Johnny: core/jumbo differences
On 07/31/2015 03:55 PM, Mathieu Laprise wrote:
> On Fri, Jul 31, 2015 at 9:28 AM, Shinnok <admin@...nnok.com
> <mailto:admin@...nnok.com>> wrote:
>
> > --loopback[=FILE] like --wordlist, but fetch words from a .pot file
> > --prince[=FILE] PRINCE mode, read words from FILE
> > --mask=MASK mask mode using MASK
> > --markov[=OPTIONS] "Markov" mode (see doc/MARKOV)
>
> Are these the four attack methods specific to Jumbo? If yes, then
> I'd like these to be supported next by Johnny as part of the jumbo
> coverage objective, unless there are some other more important
> option candidates suggested here.
>
> Mathieu, you can start playing with these a bit at the command line.
> Try at least two attacks for each mode so you get a sense of what
> they do.
>
>
> Shinnok, thanks for reviving that thread, I've never seen it back in
> april, it was lost in my mailbox. It has interesting informations. I'll
> start playing with these 4 modes to understand them.
prince mode is not mentioned in the docs at all, see
https://github.com/magnumripper/JohnTheRipper/issues/1428
The issue also mentions a PDF document describing the attack:
https://hashcat.net/events/p14-trondheim/prince-attack.pdf
Loopback mode is only mentioned in doc/OPTIONS.
Markov mode and mask mode mode are mentioned in doc/MODES. They also
have separate doc/MARKOV and doc/MASK files.
May be all the modes should be mentioned in doc/OPTIONS as well.
Let us know if you think the docs need to be improved.
Frank
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