david@work:~$ gpg --generate-key david@work:~$ gpg -a --export B5E9EDA402C454AC722FEAC5F8C04FB60964CCAE david@work:~$ gpg --recipient B5E9EDA402C454AC722FEAC5F8C04FB60964CCAE --encrypt klartext2023-11-20.txt david@work:~$ gpg --decrypt klartext2023-11-20.txt.gpg