Install scute by entering the following commands in the terminal:
sudo apt update sudo apt install scute
Description:
OpenPGP smartcard plugin for Mozilla Network Security Services
Scute is a PKCS #11 implementation for the GnuPG Agent using the GnuPG Smart Card Daemon which enables you to use your OpenPGP smart card for client authentication with SSL in Mozilla.
Homepage: http://www.scute.org/
Version: 1.5.0+git20160808+94eeb2d-2
Section: universe/utils