Introduction to ciphers and substitution. Alice and Bob and Carl and Julius: terminology and Caesar Cipher ; The key to the matter: generalizing the Caesar Cipher ; Multiplicative ciphers ; Affine ...

This is the age where technology is expected to do more, faster, anonymously, and often invisibly. And it’s supposed to use less power, with smaller footprints, unobtrusively and intuitively. And all ...

You're about to wind up your day and use your smartphone to check what's in your smart fridge to decide if you need to pass by the store or request delivery before you get home. You quickly pay for ...