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๐Ÿ“‚Briefing

Foundations of Cryptography

How do computers communicate?

Across the internet, there are different ways that information is represented to make the whole world ultimately interconnected.

Activity: Let's try sending each other morse code messages!

๐Ÿ—๏ธCase 1: Starting from the Basics

What's an encoding scheme for letters?

One of the more well-known encoding schemes, the Caesar Cipher encodes English letters by shifting each letter forward by a certain number of steps.

๐Ÿฅ—Case 2: Caesar Cipher (Not the Salad)

Are these ciphers actually used?

Yes! A cool example is the Book Cipher, where a real book is used to hide messages. It has a history dating back to the American Revolution.

๐Ÿ“šCase 3: Reading About the Book Cipher

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