gpg --card-status

Example output with line numbers: 01 Reader ...: Yubico YubiKey CCID 00 00 02 Application ID ...: D276000124010304000618698015 03 Application type .: OpenPGP 04 Version ..: 3.4 05 Manufacturer .: Yubico 06 Serial number : 18698015 07 Name of

Re: Cannot export SSH public key

Thanks, Ingo! Looking at my log, I realize that I indeed uploaded the primary key when I did `keytocard`. I did not do `key 2` to select the authentication sub key. Instead I was assuming that GnuPG does automatically select the right sub key. There was a warning about moving the primary key, whic