[dm-crypt] question

Arno Wagner arno at wagner.name
Fri Dec 12 13:11:08 CET 2014

On Thu, Dec 11, 2014 at 23:04:53 CET, Matthias Schniedermeyer wrote:
> On 11.12.2014 18:30, Sayler, Craig A. (AFRC-MI)[InuTeq, LLC] wrote:
> > Is there a way to decrypt a drive permanently with out reinstalling?
> Yes.
> But the much safer way is:
> Backup, make a new filesystem on the previous backing-device & Restore 
> from backup.
> The unsafe(!) 'inplace' method (that as an advantage doesn't need 
> additional storage):
> Just open the container normally, 'dd' the mapped container over the 
> backing device and pray that process isn't interruped. Because it will 
> be a huge PITA if it gets interruped.
> But don't risk it, Backup & Restore is the way this should be done.

Interesting approach! Should work though. But you are right that this
is very high risk.


Arno Wagner,     Dr. sc. techn., Dipl. Inform.,    Email: arno at wagner.name
GnuPG: ID: CB5D9718  FP: 12D6 C03B 1B30 33BB 13CF  B774 E35C 5FA1 CB5D 9718
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