libpam-poldi 0.4.2+git20161115.553060d-1.2 (amd64 binary) in ubuntu mantic

 This PAM module will allow you to login, screenlock and validate to
 services using your GnuPG smartcard.
 You might have expected to find this with a name of libpam-pgp, libpam-gpg,
 libpam-openpgp or libpam-gnupg.
 .
 This code is considered experimental and needs more testing. It is, however,
 already used for the daily login.