Section 5.8: Cryptography

5.8 Outline

A.  Definition
B. Simple codes
C. Modular codes
     1. definition
     2. encrypt
     3. encoding key
     4. ciphertext
     5. decoding key
D. Unbreakable codes

5.8 Essential Ideas

Cryptography is the art of writing or deciphering messages in code. This is an applied section which uses essential ideas from other sections.