How the "Unbreakable" Vigenere Cipher Was Broken
29:42
Why 4d geometry makes me sad
15:37
AES: How to Design Secure Encryption
22:36
The British Typex Cipher Machine Explained
7:51
So Why Do We Treat It That Way?
10:58
Flaw in the Enigma Code - Numberphile
17:58
What P vs NP is actually about
10:23
The Mystery of the Copiale Cipher
15:33