yocto-poky/meta/recipes-connectivity/bind/bind/generate-rndc-key.sh

#!/bin/sh

if [ ! -s /etc/bind/rndc.key ]; then
    echo -n "Generating /etc/bind/rndc.key:"
    /usr/sbin/rndc-confgen -a -b 512 -r /dev/urandom
    chmod 0640 /etc/bind/rndc.key
fi