#!/bin/sh

LEN="$1"

STR="$2"

PAD='\0'

STRLEN=`echo $STR | wc -c`

RES="$STR"

EXTRALEN=`expr $LEN - $STRLEN`

while [ "$EXTRALEN" -gt 32 ]; do

   RES="$RES$PAD$PAD$PAD$PAD$PAD$PAD$PAD$PAD$PAD$PAD$PAD$PAD$PAD$PAD$PAD$PAD$PAD$PAD$PAD$PAD$PAD$PAD$PAD$PAD$PAD$PAD$PAD$PAD$PAD$PAD$PAD$PAD"

   EXTRALEN=`expr $EXTRALEN - 32`

done

while [ "$EXTRALEN" -gt 0 ]; do

   RES="$RES$PAD"

   EXTRALEN=`expr $EXTRALEN - 1`

done

cat <<EOF

$RES

EOF