Mastering Symmetric-Key Ciphers: Polyalphabetic & Transposition Techniques 🔐

In this video we take a look at: 1) Polyalphabetic Substitution Ciphers 2) Autokey Cipher 3) Playfair Cipher 4) Vigenere Cipher 5) Hill Cipher 6) Transposition Ciphers 7) Keyless Transposition Ciphers 8) Keyed Transposition Ciphers 9) Stream vs Block Ciphers Polyalphabetic Ciphers: (0:00) Autokey Cipher : (1:08) Playfair Cipher: (4:48) Playfair Cipher Rules: (5:46) Playfair Cipher Example: (7:53) Vigenere Cipher: (11:22) Hill Cipher: (14:09) Transposition Ciphers: (16:02) Keyless Ciphers: (16:43) Keyed Ciphers: (19:12) Keyed Ciphers Example: (22:22) Stream vs Block Ciphers: (24:44)