Sorry for this delay: The library is needed according to this documentation for connecting firefox/iceweasel and chrome/chromium to the smart card crypto stuff:
https://live.gnome.org/CryptoGlue/Integration#Firefox (and following Chrome) There it is defined in configurations of these browsers explicitly -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org