Just migrated my #offline #gnupg and #ssh key setup to a new #smartcard. This only took about 8 hours whereas when I last did this in 2015, it took much longer. I guess this is a sign of process! But these things are still too painful. At least now, the software just works right out of #Debian.
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Ok, my final struggle was getting #GnuPG to switch to the new #smartcard. It seems that GnuPG was architected around a single smartcard per private key. Seems fine as a recommendation, but problematic as a strict requirement. It seems that GnuPG 2.4 has changed this, but I don't know the details.
Here's my switch scripted hack:
https://gitlab.com/-/snippets/3638931
