Virtual package pinentry-x11 is provided by:
dpkg-query: no packages found matching pinentry-fltk Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend ||/ Name Version Architecture +++-===============-==========-==================================== ii pinentry-gnome3 1.2.1-1 amd64 GNOME 3 PIN or pass-phrase entry dialog for GnuPG ii pinentry-gtk2 1.2.1-1 amd64 GTK+-2-based PIN or pass-phrase entry dialog for GnuPG ii pinentry-qt 1.2.1-1 amd64 Qt-based PIN or pass-phrase entry dialog for GnuPG 3 packages