Substitution Techniques: Polyalphabetic Cipher, Vigenère , Vernam Ciphers, One Time Pad #21is71#vtu

Explore substitution techniques in cryptography, focusing on Polyalphabetic Ciphers, including Vigenère and Vernam ciphers. Learn how these ciphers enhance security and the principles behind the One Time Pad, a key method in cryptographic security. This session provides a detailed explanation of these classical encryption methods, essential for understanding modern cryptography.