From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <miklos.bagi@mbjr.hu>
Received: from mail.bgds.hu (mail.basz.hu [217.27.219.43])
 by mail.saout.de (Postfix) with ESMTP
 for <dm-crypt@saout.de>; Thu,  2 Dec 2010 15:16:00 +0100 (CET)
Received: from localhost (sausage.mbjr.hu [127.0.0.1])
 by mail.mbjr.hu (Postfix) with ESMTP id 7F18745402D
 for <dm-crypt@saout.de>; Thu,  2 Dec 2010 15:36:24 +0100 (CET)
Received: from mail.bgds.hu ([127.0.0.1])
 by localhost (mail.mbjr.hu [127.0.0.1]) (amavisd-new, port 10024)
 with LMTP id 4qb98a-zq339 for <dm-crypt@saout.de>;
 Thu,  2 Dec 2010 15:36:21 +0100 (CET)
Received: from [192.168.56.11] (catv-80-98-232-58.catv.broadband.hu
 [80.98.232.58])
 (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits))
 (No client certificate requested)
 by mail.bgds.hu (Postfix) with ESMTP id B7D23454028
 for <dm-crypt@saout.de>; Thu,  2 Dec 2010 15:36:21 +0100 (CET)
Message-ID: <4CF7AA62.2060601@mbjr.hu>
Date: Thu, 02 Dec 2010 15:17:06 +0100
From: Miklos Bagi <miklos.bagi@mbjr.hu>
MIME-Version: 1.0
References: <slrniff4dc.9qh.Mario.Holbe@darkside.dyn.samba-tng.org>
In-Reply-To: <slrniff4dc.9qh.Mario.Holbe@darkside.dyn.samba-tng.org>
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Subject: Re: [dm-crypt] Is partial LUKS recovery possible?
List-Id: <dm-crypt.saout.de>
List-Unsubscribe: <http://www.saout.de/mailman/options/dm-crypt>,
 <mailto:dm-crypt-request@saout.de?subject=unsubscribe>
List-Archive: <http://www.saout.de/pipermail/dm-crypt>
List-Post: <mailto:dm-crypt@saout.de>
List-Help: <mailto:dm-crypt-request@saout.de?subject=help>
List-Subscribe: <http://www.saout.de/mailman/listinfo/dm-crypt>,
 <mailto:dm-crypt-request@saout.de?subject=subscribe>
To: dm-crypt@saout.de

Hi Mario,

Gave this a try, cryptsetup create worked fine as suggested.
FS is XFS, there are a number of superblock backups, but can't seem to find one.

Does salt get generated out of this info, or is it something totally random?

Thanks,
Miklos

> Well, since you know cipher, keysize, offset and the master key, you
> should be able to set up the dm-crypt device manually without the help
> of LUKS via `cryptsetup create'.
>If your suspicion is true, your chances to recover anything primarily
>depend on the filesystem type you created on top of the crypted device.
>Try to find a superblock backup and try to recover the filesystem.

>No need to mention: Keep the original data safe and unmodified, base
>your recovery attempts on image-copies only.