Encfs

EncFS (Encrypted File System) is a userspace encryption method that creates an directory containing encrypted files with hashed filenames.

Emerge
Install :

Deployment
EncFS makes a hidden directory to store encrypted data then uses FUSE to mount a decrypted directory.

After running the command setup will ask if a directory should be made, press the  key then press. Another question will come up regarding setting up the encryption scheme, etc. Press to accept defaults. Enter the password to the prompt twice to finish the set up process.

Once finished encrypted files can be fed to

Locking
The command can be used to unmount FUSE file systems. To unmount the FUSE decrypted directory run:

Remember that the files located in will not be available while it is unmounted.

Unlocking
To mount the decrypted FUSE directory use the command:

Running this command will make encrypted files located in available in the  directory.

Examples
Running a simple on the  directory while the decrypted FUSE file system is mounted will display all the files that were fed into the EncFS storage area:

Running on the  directory will output hash encrypted filenames:

External resources
https://wiki.archlinux.org/index.php/EncFS - EncFS on the Arch wiki.