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

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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 <michael@xxxxxxxxxxx> wrote:

On 3 Nov 2016 18:30 +0000, from 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 • https://michael.kjorling.semichael@xxxxxxxxxxx
                “People who think they know everything really annoy
                those of us who know we don’t.” (Bjarne Stroustrup)
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