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+OpenCT implements drivers for several smart card readers. It comes as
+driver in ifdhandler format for PC/SC-Lite, as CT-API driver, or as
+a small and lean middleware, so applications can use it with minimal
+overhead. OpenCT also has a primitive mechanism to export smart card
+readers to remote machines via TCP/IP.
+
+This requires pcsc-lite (available on SlackBuilds.org).
+
+For serial and pcmcia readers only, for using it as a PC/SC ifdhandler,
+you have to edit file reader-openct.conf in /etc/reader.conf.d/, to
+comment lines in other file(s) and run "/usr/sbin/update-reader.conf".
+
+Compiling with "APIDOC=1 ./openct.SlackBuild" produces API .pdf
+documentation (mainly intended for developers).
+
+Compiling with "NONPRIV=1 ./openct.SlackBuild" enable non-privileged
+mode, but you need to modify /etc/rc.d/rc.openctd to allow 'chown' to
+change user/group.
+
+To start OpenCT daemon, run "/etc/rc.d/rc.openctd start". This is
+most easily accomplished by adding the following to /etc/rc.d/rc.local:
+ if [ -x /etc/rc.d/rc.openctd ]; then
+ /etc/rc.d/rc.openctd start
+ fi
+
+Beware!
+- OpenCT daemon is meant as _alternative_ to pcsc-lite: running rc.openctd
+and rc.pcscd at the same time can and will lead to unforseeable problems
+(specially with usb devices that can be managed by both of them, one daemon
+can claim one device, making it unavailable for other daemon).
+- for some unknown reasons, if you start rc.openctd and then stop it,
+you may need unplug and plug-in your usb smartcard reader in order
+to it to be seen again, so udev rule is re-applied.
+