Re: Suddenly unable to access encrypted LUKS partition

Hi Andrea,

Do you have a header backup from before this happened?

Regards,
Arno

On Sun, Dec 08, 2019 at 00:41:27 CET, ampica-g/[email protected] wrote:
>    Hello,
> 
>    I'm sorry to be the latest user which had a problem with the LUKS
>    header but I'm really desperate to recover my data and contacting this
>    mailing list is my last hope at this point.
> 
>    I use a dual-boot setup on a Lenovo T480 with Windows 10 and Arch Linux
>    on the same SSD drive, Arch is encrypted with LVM on LUKS as described
>    in the Arch Wiki
>    ([1]https://wiki.archlinux.org/index.php/Dm-crypt/Encrypting_an_entire_
>    system#LVM_on_LUKS).
> 
>    To make the story short and simple, since yesterday I've been suddenly
>    unable to decrypt my LVM on LUKS partition and started having "No key
>    available with this passphrase" despite the correctness of the
>    passphrase. Needless to say I made several attempts and checks and made
>    sure the password is correct. If you want to have a look at logs and
>    see all details I simply redirect you to the posts I made on Reddit
>    [2]https://www.reddit.com/r/archlinux/comments/e76se0/unable_to_access_
>    encrypted_luks_partition_wrong/ and on the Arch Linux forum
>    [3]https://bbs.archlinux.org/viewtopic.php?id=251218.
> 
>    As suggested in the FAQ and forums, I tried several things, like using
>    the keyslot check tool and analyzing the hexdump command output (no
>    evident damage from both), tried decrypting the header on another
>    system with the same result and filtered out all other possible
>    problems like keyboard layout, user error and system specific
>    configuration. The only relevant thing to say is that last time I shut
>    down my laptop before facing the issue I updated the linux kernel to
>    5.4.2 and run "mkinitcpio -p linux" but I didn't notice anything
>    unusual respect to other times in the output from command line.
> 
>    I've really no clue on what happened since I didn't do anything
>    accidentally. I'm already on the "Acceptance" phase but I still have
>    that 0.01% hope left to recover my system, so any help or suggestion is
>    really much appreciated. If you need more information, please let me
>    know (I've no problem sharing my LUKS header and passphrase for a
>    further analysis). Thank you very much in advance for everything.
> 
>    Best Regards,
> 
>    Andrea Piccione
> 
> References
> 
>    1. https://wiki.archlinux.org/index.php/Dm-crypt/Encrypting_an_entire_system#LVM_on_LUKS
>    2. https://www.reddit.com/r/archlinux/comments/e76se0/unable_to_access_encrypted_luks_partition_wrong/
>    3. https://bbs.archlinux.org/viewtopic.php?id=251218

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-- 
Arno Wagner,     Dr. sc. techn., Dipl. Inform.,    Email: [email protected]
GnuPG: ID: CB5D9718  FP: 12D6 C03B 1B30 33BB 13CF  B774 E35C 5FA1 CB5D 9718
----
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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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