Re: [dm-crypt] No key available with this passphrase

[Arno Wagner <arno@wagner.name>]

On Sat, Jun 22, 2013 at 01:24:59PM +0800, Packets wrote:
> On Tue, Jun 11, 2013 at 2:21 AM, Milan Broz <gmazyland@gmail.com> wrote:
> 
> > To properly run locally compiled keyslot checker tool try
> >
> > cd ~/Downloads/cryptsetup-1.6.1/misc/keyslot_checker
> > sudo LD_LIBRARY_PATH="../../lib/.libs;$LD_LIBRARY_PATH"
> > ./chk_luks_keyslots /dev/sdb1
> >
> 
> Thanks Milan. Here is the output
> 
> nelson@kazekage:~/Downloads/cryptsetup-1.6.1/misc/keyslot_checker$ sudo
> LD_LIBRARY_PATH="../../lib/.libs;$LD_LIBRARY_PATH" ./chk_luks_keyslots
> /dev/sdb1
> 
> parameters (commandline and LUKS header):
>   sector size: 512
>   threshold:   0.900000
> 
> - processing keyslot 0:  start: 0x001000   end: 0x020400
>   low entropy at: 0x010000    entropy: 0.593573

Definitely header damage in Key-Slot 0.
To find out what the damage is, re-run with -v.

> - processing keyslot 1:  keyslot not in use
> - processing keyslot 2:  keyslot not in use
> - processing keyslot 3:  keyslot not in use
> - processing keyslot 4:  keyslot not in use
> - processing keyslot 5:  keyslot not in use
> - processing keyslot 6:  keyslot not in use
> - processing keyslot 7:  keyslot not in use
> 

> >From the output above, could you tell if there the header is damage? Is
> > my storage still possible to open?

In any case, you need a header backup to access your data,
this keyslot is permanently broken.

Arno
-- 
Arno Wagner,     Dr. sc. techn., Dipl. Inform.,    Email: arno@wagner.name
GnuPG: ID: CB5D9718  FP: 12D6 C03B 1B30 33BB 13CF  B774 E35C 5FA1 CB5D 9718
----
There are two ways of constructing a software design: One way is to make it
so simple that there are obviously no deficiencies, and the other way is to
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