libpam-poldi 0.4.2+git20151221.338f78b-1 (s390x binary) in ubuntu xenial

 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.