If I remember correctly, there is no backup of the LUKS header. I think there are tools you can sue to make one yourself. As to data recovery for overweritten miodern HDDs, nobody admits to be able to do it. Arno On Fri, Oct 31, 2008 at 08:12:42PM +0100, Mathias Schnarrenberger wrote: > Hello, > > today I installed inteprid ibex (ubuntu). Under hardy (my old OS) I > had a luks-encrypted home partition. During install I've chosen my > crypted partition because I thought I could tell the installer to > use this partition as my /home (without formatting). But the problem > is, that the installer overwrote the luks data at the beginning of > the partition. So, the original hash was overwritten with the new > one and I suppose that both are different. > Is there any possibilty to get the old hash back so that I can > decrypt my partition properly and mount it? Possibly a backup of the > old hash in any sector of the partition? One further thing: For the > old and the new partition I took the same password. > > Is there any chance for me to get my data back? I backed up the most > important data before I installed, but there is less important data > which I hadn't backed up. It would be nice if I could get it back. > This tells cryptsetup: > root@MPS:/home/mathias# cryptsetup status meins > /dev/mapper/meins is active: > cipher: aes-cbc-essiv:sha256 > keysize: 256 bits > device: /dev/sda7 > offset: 2056 sectors > size: 249808631 sectors > mode: read/write > > I'm not sure which cipher my old encryption did use. > > If you need further information, tell it ;) > > Thanks, > Mathias Schnarrenberger > > > -- > Der GMX SmartSurfer hilft bis zu 70% Ihrer Onlinekosten zu sparen! > Ideal f?r Modem und ISDN: http://www.gmx.net/de/go/smartsurfer > > --------------------------------------------------------------------- > dm-crypt mailing list - http://www.saout.de/misc/dm-crypt/ > To unsubscribe, e-mail: dm-crypt-unsubscribe@xxxxxxxx > For additional commands, e-mail: dm-crypt-help@xxxxxxxx > -- Arno Wagner, Dr. sc. techn., Dipl. Inform., CISSP -- Email: arno@xxxxxxxxxxx GnuPG: ID: 1E25338F FP: 0C30 5782 9D93 F785 E79C 0296 797F 6B50 1E25 338F ---- Cuddly UI's are the manifestation of wishful thinking. -- Dylan Evans If it's in the news, don't worry about it. The very definition of "news" is "something that hardly ever happens." -- Bruce Schneier --------------------------------------------------------------------- dm-crypt mailing list - http://www.saout.de/misc/dm-crypt/ To unsubscribe, e-mail: dm-crypt-unsubscribe@xxxxxxxx For additional commands, e-mail: dm-crypt-help@xxxxxxxx
