Fun Functions Nsa Form

Instructions and help about Fun Functions Nsa

Okay, start the timer—I have exactly 6 minutes to explain how the world’s most advanced encryption algorithm works before I have to sell you a subscription to a stock photo website. We’re going to be talking about the Advanced Encryption Standard—otherwise known as the Rijndael algorithm—which is the encryption used by the NSA, Google, Facebook, and any other organization that doesn’t want you stealing their data about them stealing your data. It cannot be broken, and brute-forcing your way through the algorithm would take the world’s most powerful computer longer than the entire universe has existed. How does it work? Well, let’s see if I can explain. AES is what’s called a “block cipher,” which means that the first thing that it does is take your message and break it up into blocks that are, basically, 4 letters by 4 letters. If I’m sending the FBI a very sensitive tip on Facebook Messenger, for example, that message is going to be encrypted 16 characters at a