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Message-ID: <CANO7a6xa-C7T1k+ovcDyzvUcBDujGoDYyGiFxmt5Dtjw-F=2qQ@mail.gmail.com>
Date: Mon, 10 Sep 2012 22:18:41 +0530
From: Dhiru Kholia <dhiru.kholia@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: Cracking Mountain Lion hashes (WIP)
On Mon, Sep 10, 2012 at 2:15 AM, Alexander Cherepanov <cherepan@...me.ru> wrote:
> 1. This format doesn't accept grub hashes without editing but I'm sure
> you know it.
Right. GRUB 2 hashes needs to be edited slightly (replacing the format
tag at the start).
> 2. Don't know about Mac OS but grub can use salt and hash of any
> length:
I didn't know this. Thanks for pointing it out.
> which your code doesn't seem to accommodate for. Don't know how
> popular it is and whether it's worth supporting.
It is not my code ;). Lukas wrote it. I can see if this can be fixed easily.
Lukas,
Any comments? I think we already calculate variables salt's length
correctly. We just need to apply the same code to actual hash string.
Correct?
> 3. Just found that passlib supports plain pbkdf2_sha512 (in
> addition to grub_pbkdf2_sha512). It looks like this:
> '$pbkdf2-sha512$6400$Y2wNgZByDgGgFEIIYay1Ng$y2Epfl7fAwx7v.Zw9hNnEKCfGmWvFZoF.dQMfjhjnM.sSmDI7yXRe8JcqrdPdf5nbFEgMBWSY2cPW1stdtD3oA'
Is this output format used by some real application? If yes, then we
will have to add support for it at some point. Thanks again.
--
Cheers,
Dhiru
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