Introduction

What?

Stage setting by puzzling with historical ciphers, and exploring some cryptography projects.

Why?

Building a contextual perspective.

How?

• Mono-alphabetic substitution: Caesar

• Poly-alphabetic substitution: Vigenère

• Transposition: Rail Fence

• Mono-alphabetic substitution: Polybe

• GEDEFU

• Enigma machine

• Poly-alphabetic substitution: One Time Pad