Symmetric-Key Ciphers Part 1: Cryptanalysis & Subsitution (Caesar, Multiplicative, Affine) Ciphers

In this video we take a look at: 1) General Structure of Symmetric-Key Ciphers 2) Cryptanalysis and Cryptanalysis Attacks 3) Categories of Traditional Ciphers 4) Substitution Ciphers 5) Monoalphabetic Ciphers 6) Caesar/Additive Cipher 7) Multiplicative Cipher 8) Affine Cipher General Structure: (0:00) Cryptanalysis : (3:27) Cryptanalysis Attacks: (4:00) Categories of Traditional Ciphers: (7:02) Substitution Ciphers: (8:05) Monoalphabetic Ciphers: (9:00) Caesar/Additive Cipher: (9:53) Caesar/Additive Cipher Example: (13:48) Multiplicative Cipher: (15:35) Affine Cipher: (18:14)