remove dependency to md5 and awk

deploy/fritzbox.sh

@@ -64,9 +64,9 @@ fritzbox_deploy() {
   _info "Log in to the FRITZ!Box"
   _fritzbox_challenge="$(_get "${_fritzbox_url}/login_sid.lua" | sed -e 's/^.*<Challenge>//' -e 's/<\/Challenge>.*$//')"
   if _exists iconv; then
-    _fritzbox_hash="$(printf "%s-%s" "${_fritzbox_challenge}" "${_fritzbox_password}" | iconv -f ASCII -t UTF16LE | md5sum | awk '{print $1}')"
+    _fritzbox_hash="$(printf "%s-%s" "${_fritzbox_challenge}" "${_fritzbox_password}" | iconv -f ASCII -t UTF16LE | _digest md5 hex)"
   else
-    _fritzbox_hash="$(printf "%s-%s" "${_fritzbox_challenge}" "${_fritzbox_password}" | perl -p -e 'use Encode qw/encode/; print encode("UTF-16LE","$_"); $_="";' | md5sum | awk '{print $1}')"
+    _fritzbox_hash="$(printf "%s-%s" "${_fritzbox_challenge}" "${_fritzbox_password}" | perl -p -e 'use Encode qw/encode/; print encode("UTF-16LE","$_"); $_="";' | _digest md5 hex)"
   fi
   _fritzbox_sid="$(_get "${_fritzbox_url}/login_sid.lua?sid=0000000000000000&username=${_fritzbox_username}&response=${_fritzbox_challenge}-${_fritzbox_hash}" | sed -e 's/^.*<SID>//' -e 's/<\/SID>.*$//')"