true <_summary> Whether or not to allow fingerprint readers for login <_description> The login screen can optionally allow users who have enrolled their fingerprints to log in using those prints. false <_summary> Whether or not to allow smartcard readers for login <_description> The login screen can optionally allow users who have smartcards to log in using those smartcards. '' <_summary> Path to small image at top of user list <_description> The login screen can optionally show a small image at the top of its user list to provide site administrators and distributions a way to provide branding.