run_hook ()
{
    source encrypt2.conf
    echo "Waiting 10 seconds for device $cryptkey_device ..."
    read dummy
    unset dummy
    
    mkdir encrypt2_device
    mount $cryptkey_device encrypt2_device &> /dev/null

    cat encrypt2_file.list | while read keyfile; do
        dd  if=/dev/urandom of="encrypt2_device/$keyfile" \
            bs=1024 count=2 &> /dev/null
        dd  if=/dev/urandom of="encrypt2_device/$keyfile" \
            bs=1024 count=2 &> /dev/null
        dd  if=/dev/urandom of="encrypt2_device/$keyfile" \
            bs=1024 count=2 &> /dev/null
    done
    
    umount encrypt2_device &> /dev/null
}