opensc.conf

app default {
  
  debug = 3;
  debug_file = /tmp/opensc-debug.log;

  card_drivers = iasecc;
  force_card_driver = iasecc;

  card_atr 3b:df:18:ff:81:91:fe:1f:c3:00:31:38:64:47:90:ec:c2:73:14:01:50:82:90:00:ba {
    type = 25004;
		driver = "iasecc";
		name = "Card";
  }
}

app onepin-opensc-pkcs11 {
  pkcs11 {
    max_virtual_slots = 4;
    slots_per_card = 1;
  }
}

pam_pkcs11.conf

pam_pkcs11 {

  nullok = false;
  debug = true; 
  use_first_pass = false;
  try_first_pass = false;
  use_authtok = true;
  without_login = true;
  use_pkcs11_module = opensc;

  pkcs11_module opensc {
    module = /opt/opensc/lib/onepin-opensc-pkcs11.so;
    description = "OpenSC PKCS#11 module";
    slot_num = 0,
    ca_dir = /etc/pam_pkcs11/cacerts;
    crl_dir = /etc/pam_pkcs11/crls;
    cert_policy = crl_offline;  # bug
    token_type = "Smart card";
  }
}