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Message-ID: <CANO7a6y6Dz4+7iO=u6a-JDOxk7PvqK_H_Tq1r8xXVnSz7EGp4A@mail.gmail.com>
Date: Thu, 23 Aug 2012 20:14:17 +0530
From: Dhiru Kholia <dhiru.kholia@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: [PATCH] Add support for cracking DMG files
On Wed, Aug 22, 2012 at 9:50 PM, Dhiru Kholia <dhiru.kholia@...il.com> wrote:
> On Wed, Aug 22, 2012 at 9:28 PM, Dhiru Kholia <dhiru.kholia@...il.com> wrote:
>> However it fails to work for "testimage.AES-256.64k.header_v2.dmg"
>> from VileFault sample set due to missing "heuristics".
>
> This bug has been fixed now. Attaching latest patch.
>
> This patch is working for all sample files so far but we need to
> generate more encrypted DMG files (with different options) for
> testing. Both, me and Milen don't have a Mac OS X machine to
> experiment with. Any volunteers to do this task?
Ataching latest version (v3) of the DMG cracker patch. Added
"heuristics" for files like challenge19.dmg from CMIYC 2011.
v3 patch also uses Lukas's PBKDF2 code and as a result is now 2.2x faster!
✗ ../run/john -fo:dmg -t
Benchmarking: Apple DMG PBKDF2-HMAC-SHA-1 3DES / AES [32/64]... DONE
Raw: 1437 c/s real, 1452 c/s virtual
In comparison, Passware manages to do almost 2000 p/s on the same CPU.
--
Cheers,
Dhiru
Download attachment "0001-v3-Add-support-for-cracking-DMG-files.patch.gz" of type "application/x-gzip" (53192 bytes)
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