This file is indexed.

/usr/share/initramfs-tools/hooks/cryptopenct is in cryptsetup 2:1.4.1-2ubuntu4.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

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#!/bin/sh

set -e

PREREQ="cryptroot"

prereqs()
{
    echo "$PREREQ"
}

case $1 in
    prereqs)
        prereqs
        exit 0
        ;;
esac

. /usr/share/initramfs-tools/hook-functions

# Hooks for loading smartcard reading software into the initramfs

# Check whether cryptroot hook has installed decrypt_openct script
if [ ! -x ${DESTDIR}/lib/cryptsetup/scripts/decrypt_openct ] ; then
    exit 0
fi

# Install cryptroot key files into initramfs
keys=$(sed 's/^\(.*,\|\)key=//; s/,.*//' ${DESTDIR}/conf/conf.d/cryptroot)

if [ "${keys}" != "none" ]
then
	if [ -z "${keys}" ] ; then
	    echo $0: Missing key files in ${DESTDIR}/conf/conf.d/cryptroot >&2
	    cat ${DESTDIR}/conf/conf.d/cryptroot >&2
	    exit 1
	fi
	for key in ${keys} ; do
	    if [ ! -d ${DESTDIR}/$(dirname ${key}) ] ; then
	        mkdir -p ${DESTDIR}/$(dirname ${key})
	    fi
	    cp ${key} ${DESTDIR}/${key}
	done
fi

# Install directories needed by smartcard reading daemon, command, and
# key-script
for dir in etc etc/init.d etc/udev/rules.d lib/udev usr/bin usr/sbin var/run/openct tmp ; do
    if [ ! -d ${DESTDIR}/${dir} ] ; then mkdir -p ${DESTDIR}/${dir} ; fi
done

# Install openct tools, drivers, conf file
cp /etc/openct.conf ${DESTDIR}/etc/
cp /etc/udev/rules.d/z60_openct.rules ${DESTDIR}/etc/udev/rules.d/
cp /lib/udev/openct_pcmcia ${DESTDIR}/lib/udev/
cp /lib/udev/openct_serial ${DESTDIR}/lib/udev/
cp /lib/udev/openct_usb ${DESTDIR}/lib/udev/
copy_exec /usr/bin/openct-tool
copy_exec /usr/bin/pkcs15-tool
copy_exec /usr/sbin/ifdhandler
copy_exec /usr/sbin/openct-control