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Date: Thu, 3 Sep 2015 08:22:20 +0200
From: Dhiru Kholia <dhiru.kholia@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: Finding FileVault Password

On Thu, Sep 3, 2015 at 12:55 AM, Chinatinte <chinatinte@....ch> wrote:
> Here's my situation: I have a hard-drive from a Mac, fully encrypted.
> No password is available, so it seems that I will have to try a
> brute-force attack.
>
> Okay, I tried dmg2john against the encrypted harddrive. But no hash was
> shown but the message that it is "not an encrypted DMG file!". Well,
> what else could it be?

I am guessing that your Mac uses FileVault 2 (not supported by JtR,
yet) for encrypting the hard drive.

You can try writing a small brute-forcing script which wraps
https://github.com/libyal/libfvde, and it might just work (TM).

Dhiru

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