Master Classical Encryption Techniques: Substitution & Transposition 🔐

# cryptography
Network Security: Classical Encryption Techniques
Topics discussed:
1) Explanation of the classical encryption techniques.
2) Differences between substitution and transposition techniques with example.
3) Various substitution techniques such as Caesar Cipher, Monoalphabetic Cipher, Playfair Cipher, Hill Cipher, Polyalphabetic Cipher, and One-Time Pad.
4) Various transposition techniques such as Rail-fence and Row-Column transposition.