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Message-ID: <CA+DBe5uv_2-RHon3Kvf2Fn_6YiALP=WdoGpmDUcuZfK-r4VOwA@mail.gmail.com>
Date: Wed, 1 Nov 2017 10:11:11 -0700
From: John McNamara <johnnym1266@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: Kruptos encrypted file hash with John?
My apologies, the name of the software is "Kruptos 2.0"
It uses a Blowfish encryption algorithm.
The old version I was using isn't available on their site anymore. However
it was offered for free. I've uploaded it here
https://drive.google.com/file/d/0BzXrKLbbPqqLcGNfeXhsdmdBcEE/view?usp=sharing
On Wed, Nov 1, 2017 at 12:37 AM, Dhiru Kholia <dhiru.kholia@...il.com>
wrote:
> On Tue, Oct 31, 2017 at 10:42:44AM -0700, John McNamara wrote:
> > Jump to present day I found an old backup from 10 years ago that I
> > personally had encrypted files with Kryptos (.enc files) and some other
> > self-exacting EXE files I created with abi-coder. I cannot for the
> > life of me remember the password, or combination of passwords I used,
> > or what I put in the files and its become a personal project of mine
> > to gain access and started with the .enc files as it seemed easier
> > than an exe file. I'm not sure if its possible or if JtR is even the
> > proper tool to use?
>
> Hi,
>
> Where can be the "Kryptos" software downloaded from?
>
> ABI-Coder is available at http://www.adamberent.com/ABICoder (the
> author's homepage).
>
> > I downloaded the version of Krytpos I think that I used to create the
> > .enc files and created another .enc file with a weak password
> > (testtest or hello) to see if I could figure it out with an easy
> > password to see if I was on the right track instead of waiting a long
> > time working on the real file.
> >
> > I think this is kind of like running it on a zip file, but I'm assuming
> the
> > .enc file is a very different format. Just for the heck of it I tried
> > zip2john on it, didn't work. Also tried running john on the .enc file
> > directly, I don't think that worked because it thinks its a type
> > whirlpool? Doesn't seem to find the password.
> >
> > I'm sorry if this is a stupid question, but I've gone through the
> tutorials
> > and some history of this email list and can't seem to find anything
> > relating to working with other file types that someone hasn't directly
> > written a tool to extract the hashes from? Perhaps JtR isn't used in
> this
> > capacity and I'm heading in the wrong direction.
>
> JtR is indeed the right tool for this job.
>
> However, JtR does not have support for brute-forcing Kryptos (Kruptos?) and
> ABI-Coder encrypted files currently.
>
> Given the relative obscurity of these proprietary (?) file encryption
> tools, it is quite likely that no one would volunteer to add such
> support in JtR Jumbo anytime soon.
>
> Perhaps https://github.com/magnumripper/JohnTheRipper/issues/2553
> (Support for cracking Dekart DPD files) is relevant to this topic.
>
> Thanks,
> Dhiru
>
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