[dm-crypt] Data recovery

Nico Gevers ingevious at gmail.com
Sun Oct 9 20:54:10 CEST 2011


Thanks for all your help, Arno. I've learned a lot in the last few days, and
am grateful for your time in helping me.

On Sun, Oct 9, 2011 at 7:51 PM, Arno Wagner <arno at wagner.name> wrote:

> Hi Nico,
>
> On Sun, Oct 09, 2011 at 07:17:31PM +0200, Nico Gevers wrote:
> > Hi Arno
> >
> > Thanks for the help. I'll consider the data lost and move on.
> >
> > Incidentally, is there any way to recover deleted files from an encrypted
> > drive. eg, you delete some files (and empty the trash), and then recover
> > them afterwards. I know there are tools available, but I'm not sure i
> they
> > would work on an encrypted drive (while mounted of course). Will
> encrypting
> > a drive remove all possibilities of undelete?
>
> This will behave exactly the same as with a non-encrypted device.
> The encryption layer just translates the raw encrypted device into
> a raw non-encrypted device, which for all intents and purposes
> (except performance) can be treated the same as a non-encrypted
> device.
>
> The filesystem sits on top of that and difficulty-level of
> recovering deleted files depends on the filesystem used.
> For example, with ext2/3 it is pretty difficult, but you
> may find fragments easily if you know what you are looking
> for. With FAT is is generally easy. BTRFS, XFS, ZFS, etc.
> I have no idea.
>
> Arno
> --
> Arno Wagner, Dr. sc. techn., Dipl. Inform., CISSP -- Email:
> arno at wagner.name
> GnuPG:  ID: 1E25338F  FP: 0C30 5782 9D93 F785 E79C  0296 797F 6B50 1E25
> 338F
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