+# do not edit this file, it will be overwritten on update
+
+SUBSYSTEM!="tty", GOTO="ipfire_hwrng_end"
+KERNEL!="ttyACM[0-9]*", GOTO="ipfire_hwrng_end"
+
+SUBSYSTEMS=="usb-serial", ENV{.ID_PORT}="$attr{port_number}"
+
+IMPORT{builtin}="usb_id"
+ENV{ID_SERIAL}=="", GOTO="ipfire_hwrng_end"
+SUBSYSTEMS=="usb", ENV{ID_USB_INTERFACE_NUM}="$attr{bInterfaceNumber}"
+ENV{ID_USB_INTERFACE_NUM}=="", GOTO="ipfire_hwrng_end"
+
+ATTRS{manufacturer}=="IPFire.org", ATTRS{product}=="Random Number Generator*", ENV{.ID_PORT}=="", SYMLINK+="hwrngtty" RUN+="/bin/stty raw -echo -ixoff -F /dev/hwrngtty 115200" RUN+="/etc/rc.d/init.d/rngd udev-event"
+
+LABEL="ipfire_hwrng_end"