So I’ve had this problem for ages, and couldn’t find anyone online writing about it. LocalConnection in AS3 is used to send messages between Flash SWFs in a browser window. It’s also used as a hack to invoke garbage collection in the Flash Player. I’ve been using it in some recently applications to ensure only [...]
Why you keep getting a computeSpectrum Security Error
Probably one of the worst and most frustrating bugs. Turns out computeSpectrum will NOT work if ANOTHER Flash is using audio. Meaning if you have a Flash that using SoundMixer.computeSpectrum one of those super annoying security sandbox runtime errors will pop up on the browser if YouTube, GMail, or any other Flash using audio is [...]
T-Square Security Holes
At Georgia Tech, the course system that is used by students is called T-Square (based on Sakai). It’s pretty nice system that supports forums, wikis, chats, blogs, and a bunch of other tools. Sakai is open source; consequently, Georgia Tech can maintain the software and fix and bugs it finds. Unfortunately, I found security holes [...]
Really Quick Tutorial on One Way Encryption
It’s difficult for beginning programmers to grasp the idea of one way encryption. “How can I make an encryption that is impossible to reverse? Even if I know the algorithm to encrypt? And why would I ever want to do this?” First let’s review a very basic two way encryption algorithm. Take a string of [...]