Cryptography

• Notes
• Videos & Interactives
• Questions

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Encryption Methods
RSA 
El Gamal 
Elliptic Curve 

Signatures
RSA 
El Gamal 
DSA 

Theorems 
Primality Testing 

Elliptic Curve Calculator (Christel Bach Interactive)
​The Math Behind Bitcoin (CoinDesk Article)
The Art of Cryptology (ABC Radio Podcast)
​Encryption and Public Keys (Khan Academy Video)
This Completely Changed the Way I See Numbers (Zach Star Video)​
Cryptography (Crash Course Video)

Modulo Arithmetic: Equivalence (Variation Theory)
Modulo Arithmetic: Addition (Variation Theory)
Modulo Arithmetic: Multiplication (Variation Theory)
Modulo Arithmetic: Multiplicative Inverse (Variation Theory)

Crypto Corner - Home (Interactive Maths Website)
BOSS Training Division - National Cipher Challenge (University of South Hampton Website)
The Alan Turing Cryptography Competition edition 2022 (University of Manhester Website)