#!/bin/bash

if [[ ! -x $(which openssl) ]] ; then
  printf "Didn't find openssl binary. Can't encode rsdf container.\n"
  return 1
fi

containerOut="${containerDir}/${containerFileNameFormat}.rsdf"
sed -n -e 's/^[^/]*\///p' "$1" > "${tmpdir}/links.txt"
echo -n "" > "$containerOut"

rm -f "${tmpdir}/in.step1" "${tmpdir}/in.step4"
lc=0
declare -a ll
ll[0]=0
while read ln ; do
  echo -n "CCF: $ln" >> "${tmpdir}/in.step1"
  lc=$(($lc+1))
  ll[$lc]=$(openssl enc -aes-192-cfb8 -K 8C35192D964DC3182C6F84F3252239EB4A320D2500000000 -iv A3D5A33CB95AC1F5CBDB1AD25CB0A7AA -in "${tmpdir}/in.step1" | wc -c)
done < "${tmpdir}/links.txt"
openssl enc -aes-192-cfb8 -K 8C35192D964DC3182C6F84F3252239EB4A320D2500000000 -iv A3D5A33CB95AC1F5CBDB1AD25CB0A7AA -in "${tmpdir}/in.step1" -out "${tmpdir}/in.step2"
i=0
while [[ $i -lt $lc ]] ; do
  laststart=${ll[$i]}
  i=$(($i+1))
  thisstart=${ll[$i]}
  let 'count = thisstart - laststart'
  dd bs=1 skip=$laststart count=$count if="${tmpdir}/in.step2" of="${tmpdir}/in.step3" 2>/dev/null
  openssl enc -base64 -in "${tmpdir}/in.step3" | tr -d '\n' >> "${tmpdir}/in.step4"
  echo -en "\n" >> "${tmpdir}/in.step4"
done
while read -n 1 byte ; do
  if [[ "X$byte" == "X" ]] ; then
    echo -n 0D0A
  else
    printf "%.2X" \'$byte
  fi
done < "${tmpdir}/in.step4" > "$containerOut"
echo -en "\r\n" >> "$containerOut"
// rm -f "${tmpdir}/in.step1" "${tmpdir}/in.step2" "${tmpdir}/in.step3" "${tmpdir}/in.step4"

return 0