What say you? Is this stuff realistic or lame?
http://www.fourmilab.ch/javascrypt/JavaScrypt runs entirely in your browser--nothing is sent to any
Web site when you use it. You can, if you wish, download JavaScrypt
to your own computer and use it when not connected to the Internet.
JavaScrypt's encryption facilities use the Advanced Encryption
Standard (AES) adopted by the United States as Federal Information
Processing Standard 197. AES supports key lengths of 128, 192, and
256 bits; JavaScrypt uses 256 bit keys exclusively.
If you're already familiar with encryption, proceed directly to the
pages which implement the various components of JavaScrypt. If
you're a newcomer, you may prefer to work through the JavaScrypt
Tutorial, which demonstrates how they're used.