Slide 1 Slide 2 S OUNDS —Q UICK Q UIZ What do you know about sound? Let’s find out! Get READY!!! Slide 3 1. W HAT IS S OUND ? a.A virus b.A form of photosynthesis c.A…
* The Data Encryption Standard * Outline 4.1 Introduction 4.4 DES 4.5 Modes of Operation 4.6 Breaking DES 4.7 Meet-in-the-Middle Attacks * 4.1 Introduction In 1973, NBS,…