Re: Missing keyslot or broken header or still some hope?

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Hi,

first, please do not post HTML-'emails' to this list.
It cuts you off from most people here.

Second, from the 'acting up' I would deduce that you
have some kind of severe hardware problem. It may be that
this prevents the unlock. Can you try this disk in a 
different computer?

There is also the keyslot-checker in misc/keyslot_checker/
of the cryptsetup source distribution, that may tell
you more.

Regards,
Arno


On Thu, Nov 03, 2016 at 21:58:30 CET, Zero Tonin wrote:
>    Hi Michael,
> 
>    thank you very much for your response, I appreciate your time and
>    willingnes to help a stranger!
> 
> 
>     Below I will paste the output of --debug a well as, in case it
>    provides usefull information, the output of sfdisk -l for the
>    partitions on the drive.
> 
> 
>     Again, thank you ever so much, please do let me know if there is any
>    further detail or informaion I could provide to hopefulyl be bale  to
>    recover this.
> 
> 
>     Kind rgeards,
> 
>     Mark
> 
>    (I was unaware this mailing list is a "clear name" environemt, sorry
>    for the anonymity in my first mail)
> 
> 
> 
> 
>    user@debian:~$ sudo /sbin/sfdisk -l
> 
>    Disk /dev/sda: 77825 cylinders, 255 heads, 63 sectors/track
> 
>    sfdisk: Warning: extended partition does not start at a cylinder
>    boundary.
> 
>    DOS and Linux will interpret the contents differently.
> 
>    Units: cylinders of 8225280 bytes, blocks of 1024 bytes, counting from
>    0
> 
>       Device Boot Start     End   #cyls    #blocks   Id  System
> 
>    /dev/sda1   *      0+     31-     31-    248832   83  Linux
> 
>    /dev/sda2         31+  77825-  77795- 624880641    5  Extended
> 
>    /dev/sda3          0       -       0          0    0  Empty
> 
>    /dev/sda4          0       -       0          0    0  Empty
> 
>    /dev/sda5         31+  77825-  77795- 624880640   83  Linux
> 
>    user@debian:~$ sudo cryptsetup --debug luksOpen /dev/sda5 crypt1
> 
>    # cryptsetup 1.6.6 processing "cryptsetup --debug luksOpen /dev/sda5
>    crypt1"
> 
>    # Running command open.
> 
>    # Locking memory.
> 
>    # Installing SIGINT/SIGTERM handler.
> 
>    # Unblocking interruption on signal.
> 
>    # Allocating crypt device /dev/sda5 context.
> 
>    # Trying to open and read device /dev/sda5.
> 
>    # Initialising device-mapper backend library.
> 
>    # Trying to load LUKS1 crypt type from device /dev/sda5.
> 
>    # Crypto backend (gcrypt 1.6.3) initialized.
> 
>    # Detected kernel Linux 3.16.0-4-amd64 x86_64.
> 
>    # Reading LUKS header of size 1024 from device /dev/sda5
> 
>    # Key length 64, device size 1249761280 sectors, header size 4036
>    sectors.
> 
>    # Timeout set to 0 miliseconds.
> 
>    # Password retry count set to 3.
> 
>    # Password verification disabled.
> 
>    # Iteration time set to 1000 miliseconds.
> 
>    # Activating volume crypt1 [keyslot -1] using [none] passphrase.
> 
>    # dm version   OF   [16384] (*1)
> 
>    # dm versions   OF   [16384] (*1)
> 
>    # Detected dm-crypt version 1.13.0, dm-ioctl version 4.27.0.
> 
>    # Device-mapper backend running with UDEV support enabled.
> 
>    # dm status crypt1  OF   [16384] (*1)
> 
>    # Interactive passphrase entry requested.
> 
>    Enter passphrase for /dev/sda5:
> 
>    # Trying to open key slot 0 [ACTIVE_LAST].
> 
>    # Reading key slot 0 area.
> 
>    # Using userspace crypto wrapper to access keyslot area.
> 
>    # Trying to open key slot 1 [INACTIVE].
> 
>    # Trying to open key slot 2 [INACTIVE].
> 
>    # Trying to open key slot 3 [INACTIVE].
> 
>    # Trying to open key slot 4 [INACTIVE].
> 
>    # Trying to open key slot 5 [INACTIVE].
> 
>    # Trying to open key slot 6 [INACTIVE].
> 
>    # Trying to open key slot 7 [INACTIVE].
> 
>    No key available with this passphrase.
> 
>    On 3 Nov 2016, at 19:04, Michael Kjörling <[1]michael@xxxxxxxxxxx>
>    wrote:
> 
>    On 3 Nov 2016 18:30 +0000, from [2]zero.tonin@xxxxxx (Zero Tonin):
> 
>      user@debian:~$ sudo cryptsetup luksOpen /dev/sda5 crypt1
> 
>      Enter passphrase for /dev/sda5:
> 
>      No key available with this passphrase.
> 
>    Could you try running this again, but add the `--debug` option to
>    cryptsetup, then post the resulting log?
>    Make sure to sanitize the passphrase itself from the log if it's there
>    (I don't know), but leave everything else intact.
>    --
>    Michael Kjörling • [3]https://michael.kjorling.se
>    [4]michael@xxxxxxxxxxx
>                    “People who think they know everything really annoy
>                    those of us who know we don’t.” (Bjarne Stroustrup)
>    _______________________________________________
>    dm-crypt mailing list
>    [5]dm-crypt@xxxxxxxx
>    [6]http://www.saout.de/mailman/listinfo/dm-crypt
> 
> References
> 
>    1. mailto:michael@xxxxxxxxxxx
>    2. mailto:zero.tonin@xxxxxx
>    3. https://michael.kjorling.se/
>    4. mailto:michael@xxxxxxxxxxx
>    5. mailto:dm-crypt@xxxxxxxx
>    6. http://www.saout.de/mailman/listinfo/dm-crypt

> _______________________________________________
> dm-crypt mailing list
> dm-crypt@xxxxxxxx
> http://www.saout.de/mailman/listinfo/dm-crypt


-- 
Arno Wagner,     Dr. sc. techn., Dipl. Inform.,    Email: arno@xxxxxxxxxxx
GnuPG: ID: CB5D9718  FP: 12D6 C03B 1B30 33BB 13CF  B774 E35C 5FA1 CB5D 9718
----
A good decision is based on knowledge and not on numbers. -- Plato

If it's in the news, don't worry about it.  The very definition of 
"news" is "something that hardly ever happens." -- Bruce Schneier
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