Lesson 15. Capstone: Secret messages!
This capstone covers
- Learning about the basics of cryptography
- Using basic types to model your data
- Making practical use of Enum and Bounded
- Writing and making instances of your own Cipher class
Everybody loves the idea of being able to communicate with a friend in secret. In this capstone, you’re going to take your knowledge of types and type classes to build out a few example ciphers. A cipher in cryptography is a means of encoding a message so that others can’t read it. Ciphers are the foundation of cryptography, but they’re also just plain fun to play around with. You’ll first look at an easy-to-implement and easy-to-break cipher, then you’ll learn more about the basics of encrypting characters, ...
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