https://kifarunix.com/encrypt-files-and-directories-with-ecryptfs-on-ubuntu-20-04/
sudo mount -t ecryptfs \
-o key=passphrase:no_sig_cache,ecryptfs_cipher=aes,ecryptfs_key_bytes=16,ecryptfs_enable_filename=y,ecryptfs_enable_filename_crypto=yes \
/data_cript/ /home/
after
sudo umount /home/