In case you hadn’t heard, the NSA records and scans most if not all emails and phone calls in the United States.
Silent Circle is a service that allows you to encrypt your online and telecommunications communications. As part of their sign-up process, they happen to have a particularly impressive password strength algorithm. I’ve extracted it from their site to make it easy to play around with. All copyright to the code remains with Silent Circle!
Remember, privacy is important, even if you have nothing to hide!