On Mon, Dec 01, 2008 at 06:22:17AM +0530, Sitaram Chamarty wrote: > On Mon, Dec 1, 2008 at 12:23 AM, Jan Engelhardt <jengelh@xxxxxxxxxx> wrote: > > It simply writes the LUKS header. Since ext3's header begins some 16-32KB > > from the start of the device, nothing is lost unless you start making > > a filesystem on the crypto device (/dev/mapper/...). > > I thought the luks header spans about 4000 blocks (8MB or so) due to > the anti-forensic key splitting. > > Perhaps it doesn't touch the first few blocks or so, and Marek's files > were well below that... The LUKS keys span those 8MB or so at maximum. But only if you actually have keys. Without them, there is only the ~600 Bytes header AFAIK. Arno -- 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
