Am Sat, 2 Apr 2016 11:44:32 +0200 schrieb Marc Haber <mh+linux-btrfs@xxxxxxxxxxxx>: > On Sat, Apr 02, 2016 at 11:03:53AM +0200, Kai Krakow wrote: > > Am Fri, 1 Apr 2016 07:57:25 +0200 > > schrieb Marc Haber <mh+linux-btrfs@xxxxxxxxxxxx>: > > > On Thu, Mar 31, 2016 at 11:16:30PM +0200, Kai Krakow wrote: > [...] > [...] > [...] > > > > > > I cryptsetup luksFormat'ted the partition before I mkfs.btrfs'ed > > > it. That should do a much better job than wipefsing it, shouldnt > > > it? > > > > Not sure how luksFormat works. If it encrypts what is already on the > > device, it would also encrypt orphan superblocks. > > It overwrites the LUKS metadata including the symmetric key that was > used to encrypt the existing data. Short of Shor's Algorithm and > Quantum Computers, after that operation it is no longer possible to > even guess what was on the disk before. If it was encrypted before... ;-) -- Regards, Kai Replies to list-only preferred. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
