[dm-crypt] Debian Boot

Arno Wagner arno at wagner.name
Thu Oct 25 12:47:13 CEST 2012

On Thu, Oct 25, 2012 at 10:07:13AM +0200, Yves-Alexis Perez wrote:
> Few precisions on Debian installer use of encryption. The ???default???
> encrypted setup is done using LVM, as:
> /dev/sda1 ??? /boot
> /dev/sda5 (logical partition, even though there's still room for other
> primary ones) ??? luks partition (using, afair, aes-essiv but I'm not
> completely sure) mapped as /dev/mapper/sda5_crypt
> /dev/mapper/sda5_crypt is a physical volume for LVM on top of which are
> a volume group (name from the hostname) and logical volumes
> (for /, /home and swap)
> So, in theory, cryptsetup luksDump /dev/sda5 should return the header
> for the encrypted partition.

About what I expected. He has by now sent me hexdumps of
sda5 and other partition starts, there is not even a trace
of a LUKS header in there. I think this is a complete loss.

Arno Wagner,    Dr. sc. techn., Dipl. Inform.,   Email: arno at wagner.name 
GnuPG:  ID: 1E25338F  FP: 0C30 5782 9D93 F785 E79C  0296 797F 6B50 1E25 338F
One of the painful things about our time is that those who feel certainty 
are stupid, and those with any imagination and understanding are filled 
with doubt and indecision. -- Bertrand Russell 

More information about the dm-crypt mailing list