Re: CGD - unable to open after closing, using '-V gpt', argon2id and adiantum

[mlelstv%serpens.de@localhost (Michael van Elst)]

luisvmendes%yandex.com@localhost (Luis Mendes) writes:

>== Now, trying to open the container again:
>cgdconfig -V gpt cgd0 NAME=nvme-crypt /etc/cgd/nvme-crypt
>After entering the four zeroes password, there's the message:
>"cgdconfig: verification failed, please reenter passphrase".

>What is wrong with this setup?

This way cgdconfig is looking inside the container for a GPT
label for validation. Did you create one ?

If you don't need to partition the container, you could
format a ffs filesystem for the whole disk (cgd0) and use
the 'ffs' verification method, which checks for a ffs 
superblock.

For other filesystems you need to partition (disklabel, mbr
or gpt) if you want the validation step and validate using
the partition information. But it's not strictly necessary to
validate, -V none will accept a wrong passphrase but e.g.
a mount will likely see garbage and fail.