Re: Can't open luks after switching distros

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On 06/09/2018 10:35 PM, David Niklas wrote:
> My computer broke and I am now regressed to a 32 bit p4.
> The problem is that my passphrase is said to be incorrect
> 
> % uname -a
> Linux P4 4.9.0-4-686-pae #1 SMP Debian 4.9.65-3+deb9u1 (2017-12-23) i686
> GNU/Linux
> 
> I am running Devuan (Debian derivative), Linux and I tried the native
> cryptsetup 1.7.3-4 and I also compiled and tried with 1.7.5 which is
> compiled by default against libgcrypt20 1.7.6-2+deb9u2 .
> 
> I tried several different ways to write my passphrase without success. I
> did type it out and then copy it via screen as soon as I noticed that I
> was having trouble so that there was no chance of typing errors.
> I last opened the container and partition using knoppix on this system.
> Container is a backup of of the files on a home filesystem which is also
> encrypted with the same passphrase. I have tried to luks open both the
> container and the filesystem without success.

> I have no recollection as to which gcrypt/crypsetup my 64-bit or knoppix
> live dvd use(s|d).

This is not important, all distros and combinations should work (for 1.7 stable) the same
if kernel has all needed crypto available.
(With some exceptions like broken Whirlpool in gcrypt but we have workaround for that.)

Could you please post cryptsetup command that fails (luksOpen) with debug log (add --debug option)
and luksDump?

Without it is hard to say what is really failing. If it is just passphrase and
your LUKS keyslot is corrupted, then there is unfortunately no way to recover it
without header backup.

Milan
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