Description of problem:

clevis luks bind fails when using a locale other than English.


Version-Release number of selected component (if applicable):
Tested with clevis-luks-11-9.el8.x86_64

How reproducible: always


Steps to Reproduce:
1. use a locale other than English, e.g. Italian (dnf install langpacks-it && localectl set-locale LANG=it_IT.utf8 && export LANG=it_IT.utf8)
2. try to use "clevis luks bind"

Actual results:

* LUKS1:

luksmeta show -d /dev/sda1
Device is not initialized (/dev/sda1)

clevis luks bind -d /dev/sda1 tang '{"url":"http://localhost"}'
2

luksmeta show -d /dev/sda1
0   active empty
1   active empty
2 inactive cb6e8904-81ff-40da-a84a-07ab9ab5715e
3 inactive empty
4 inactive empty
5 inactive empty
6 inactive empty
7 inactive empty

* LUKS2:
clevis luks bind -d /dev/sda1 tang '{"url":"http://localhost"}'
Importazione del token da file non riuscita.
Error while saving Clevis metadata as a LUKS token!


Expected results:

clevis luks bind succeeds and we are be able to use clevis luks unlock with the the device, afterwards.

* LUKS1:

luksmeta show -d /dev/sda1
0   active empty
1 inactive cb6e8904-81ff-40da-a84a-07ab9ab5715e
2 inactive empty
3 inactive empty
4 inactive empty
5 inactive empty
6 inactive empty
7 inactive empty


* LUKS2:
No error when saving the token

Additional info:
Reported (and fixed) upstream: https://github.com/latchset/clevis/issues/108