2:36The Caesar cipher | Journey into cryptography | Computer Science | Khan AcademyKhan Academy826.9K viewsView & Download
22:36How to Use a Basic Cipher to Encode and Decode a Secret MessageAndrew Bustamante73.3K viewsView & Download
9:30Ep. 010 - Homophonic Substitution, encryption and decryptionThe Black Chamber14.2K viewsView & Download
2:02How to Create a Coded Message - Zig Zag Method - Secret Code - Step by Step InstructionsHow to... Solve Puzzles57.3K viewsView & Download
11:29Substitution and transposition techniques | Monoalphabetic and polyalphabetic substitution ciphersAbhishek Sharma612.8K viewsView & Download