Any code that starts with a long quote from V for Vendetta is not worth my time.
I think anyone thinking about attempting this should read the story about the boy who cried wolf. If anything you reduce trust in the emergency broadcast system. This would be very bad, especially if a genuine emergency shortly followed a B.S. hacker broadcast
http://anonymous-lulzsec.com/entries/encoders/same_enc-same_...
http://pastebin.com/gT7qErZF