nss_authenticate
rv = nss_authenticate(handle, nss_slot, &cred);
rv = nss_authenticate(handle, nss_slot, &cred);
rv = nss_authenticate(handle, nss_slot, cred);
rv = nss_authenticate(handle, slot, cred);
rv = nss_authenticate(handle, nss_slot, &cred);
ret = nss_authenticate(handle, nss_slot, &oldcred);
rv = nss_authenticate(handle, nss_slot, &cred);
rv = nss_authenticate(handle, nss_slot, &cred);