Log Message:
Import pyaes-1.6.0 as security/py-aes

A pure-Python implmentation of the AES block cipher algorithm and the common
modes of operation (CBC, CFB, CTR, ECB and OFB).

Features:
 - Supports all AES key sizes
 - Supports all AES common modes
 - Pure-Python (no external dependancies)
 - BlockFeeder API allows streams to easily be encrypted and decrypted
 - Python 2.x and 3.x support (make sure you pass in bytes(), not strings for
   Python 3)