This file is indexed.

/usr/bin/lsh-authorize is in lsh-utils 2.1-8.

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

usage () {
    echo Usage: $0 key-file
}

while [ $# != 0 ]; do
    case $1 in
    	-help | --help | --hel | --he)
	    usage
	    exit 0
    	    ;;
	--*)
	    echo Unknown option $1
	    usage
	    exit 1
	    ;;
	*)
	    break
	    ;;
    esac

    options="$options $1"
    shift
done

if [ $# = 0 ] ; then
    usage
    exit 0
fi

create_dir () {
    if mkdir $1 2>/dev/null; then
	echo Created $1
	chmod $2 $1 || exit 1
    fi
}

# Create directories
create_dir $HOME/.lsh 0700
create_dir $HOME/.lsh/authorized_keys_sha1 0700

: ${SEXP_CONV:=sexp-conv}

if type "$SEXP_CONV" >/dev/null 2>&1 ; then : ; else
    echo "Can't find the sexp-conv program"
    exit 1
fi

while [ $# != 0 ]; do
    hash=`"$SEXP_CONV" < $1 --once --hash=sha1`
    if [ -z $hash ] ; then
	echo $0: File $1 not found.
	exit 1
    else
        "$SEXP_CONV" < $1 -s canonical --once \
	    > "$HOME/.lsh/authorized_keys_sha1/$hash" \
	    || exit 1
    fi
    shift
done