[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
-- 
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 


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