Just in F/U this
Code:
tar -czf - * | openssl enc -e -aes256 -out /mnt/secured.tar.gz
worked without problems on an amd64 system.
extraction
Code:
openssl enc -d -aes256 -in /mnt/secured.tar.gz -out /home/user/unsecured.tar.gz
Then tar xvzf unsecured.tar.gz
Modified from
https://www.tecmint.com/encrypt-decr...openssl-linux/