Dongle Setup — Gpg

enable-ssh-support Restart and add to shell profile ( ~/.bashrc or ~/.zshrc ):

# PC/SC driver pcsc-driver /usr/lib/libpcsclite.so # Disable CCID (for YubiKey) disable-ccid # Enable card removal notification card-timeout 5 Edit ~/.gnupg/gpg-agent.conf :

gpg --edit-key YOUR_KEYID gpg> keytocard Select destination slot (1=Sign, 2=Encrypt, 3=Authenticate). Repeat for each subkey. Extract the authentication key for SSH: gpg dongle setup

export SSH_AUTH_SOCK=$(gpgconf --list-dirs agent-ssh-socket) Test SSH:

sudo systemctl restart pcscd Edit ~/.gnupg/scdaemon.conf : enable-ssh-support Restart and add to shell profile ( ~/

gpgconf --kill gpg-agent Set admin PIN, user PIN, and reset code (optional):

Reader ...........: Yubico YubiKey OTP+FIDO+CCID 0 Application ID ...: D276000124010200... Version ..........: 3.4 Manufacturer .....: Yubico If not detected, restart pcscd : keytocard Select destination slot (1=Sign

enable-ssh-support default-cache-ttl 600 max-cache-ttl 7200 pinentry-program /usr/bin/pinentry-curses # or pinentry-mac on macOS Restart the agent: