Encfs

encfs is a simple userspace encryption method that is very simple, and not very secure. It's good enough to keep the random passerby out.

Emerge
Install :

Deployment
Encfs makes a hidden directory to store encrypted data, then fuse to mount a decrypted directory.

After running the command setup will ask you if .encfs should be made, type Y and hit enter. another question will come up regarding setting up encryption scheme etc. press enter to accept defaults.

Enter the password to the prompt twice and you're done. You're ready to feed to be encrypted files to ~/encfs

Locking
To unmount the fuse decrypted directory:

Unlocking
To mount the decrypted fuse directory:

Examples
mkultra@spaceball-1 ~ $ ls encfs/

foo bar

mkultra@spaceball-1 ~ $ ls .encfs/

OtyK9QEW3,1a1qnC5Um5tc-S s9CN,iacV1bM5SxN1TOI8JB2

External Resources
encfs on arch's wiki