Is this open source? The JavaScript that encrypts the file (sjcl.js) is minified and I don't feel like spending hours trying to figure out what it does. Is this a JavaScript library that was reused from somewhere?
Having a file encrpyt to an HTML file is pretty interesting, something I've never considered before. Very portable.
Here is one of my projects playing with that concept: https://github.com/srpeck/markdowned