[dm-crypt] Encrypted fs in file
arno at wagner.name
Mon Apr 4 01:57:29 CEST 2016
Also refer to FAQ item 2.6
The zeroing out of the mapped container is advisable
if this needs high security, i.e. is not just for
On Sun, Apr 03, 2016 at 18:03:11 CEST, Sven Eschenberg wrote:
> And regarding 1):
> You might want to use dd for that and /dev/urandom. (Or use
> /dev/zero and then zero out the inner device before creating the
> Am 03.04.2016 um 10:41 schrieb Matthias Schniedermeyer:
> >On 03.04.2016 00:07, doark at mail.com wrote:
> >>I wanted to make certain that I got this process right since I've never
> >>done it before and I can't seem to find docs on the subject.
> >>1. Cat /dev/zero into a new file till it is big enough.
> >>2. Use cryptsetup on the file (format and open).
> >>3. Use mkfs on the loop device.
> >>4. Mount the loop device as if it were a block device.
> >>Does this look correct to you?
> >3) Not the loop device, but the dm-device, the loop it inbetween and is
> >handled automatically.
> >A symlink for the dm-device appears in /dev/mapper/ with the name you
> >provided for the open command.
> >Same for 4) You mount the dm-device
> dm-crypt mailing list
> dm-crypt at saout.de
Arno Wagner, Dr. sc. techn., Dipl. Inform., Email: arno at wagner.name
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