Some changes/additions that could occur:

Give refugee the ability to make "interesting" output -- ie encrypted files
appear as English plaintext or 'C' code or something else.

Add .png and .wav steganography

Recursive file encryption/decryption.

diff to vi, nano, fte, or some other editor that would allow an encrypted file
to be decrypted, edited, and encrypted all in one step.

Implement CBC and/or CFB and/or OFB mode.
