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Message-ID: <CABh=JRETU8OibmBCVgrG3rwMZeZEM_GZSmCbA9_DNuYq5QgAvw@mail.gmail.com>
Date: Wed, 30 Jan 2013 19:54:58 +0200
From: Milen Rangelov <gat3way@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: dmg2john
Hello,
In the header structure, there is a member, uint32_t kdf_iteration_count
which holds the iteration count. I've never seen a dmg file having
iteration count different than 1000, but you could check that if the image
has different parameters. I am very interested in the results as well since
I have also fixed 1000 iterations.
On Wed, Jan 30, 2013 at 7:48 PM, magnum <john.magnum@...hmail.com> wrote:
> On 30 Jan, 2013, at 3:12 , magnum <john.magnum@...hmail.com> wrote:
> > I think the remaining problem is in the formats - I just found out that
> smaller files does not crack either, neither with this version or the
> original (this version outputs the same for small files). Not even a 100 MB
> file works. So we still have issues and I'm still not sure this dmg2john is
> right for large files (but it seems to be). I actually can't find any
> version of dmg in the git history that works at all for even a small file.
>
>
> Here's a thought: I bet there is an iteration count parameter stored
> somewhere that we fail to read. Our format is fixed at 1000. That would
> explain why I can't produce *any* crackable DMG file on this computer.
>
> magnum
>
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