Is it possible to edit the expiration date? If I try it with gpg --edit-key XXXXX and gpg --card-edit. After that I tried to change expire with expire. gpg: signing failed: No secret key gpg: make_keysig_packet failed: No secret key If there is no chance to update the expiration date, I have a ba…

The openpgp card keeps only 3 keys (encryption, signing and authentication). You can store the master key on signing slot and two sub keys (encryption and authentication) or use, for example, aseparate openpgp card to keep the master card and the nitrokey for three sub keys.

Nitrokey Support

Change expire date from gpg/pgp key on Nitrokey

Nitrokeys

nitroalex May 17, 2018, 3:56pm 8

Hi,

no, it is totally fine to have the main key on the device. I wonder if you may just did not moved the keys correctly.

It depends on how you did the key moving…

Kind regards
Alex