Understanding Modern Symmetric-Key Ciphers: P-Boxes, S-Boxes & Product Ciphers 🔐

In this video we take a look at:
1) Introduction to Modern Symmetric-Key Ciphers
2) Modern Block Ciphers
3) Susbtituiton or Transposition
4) Components of Modern Block Cipher
5) Transposition Unit: P-Boxes
6) Substitution Unit: S-Boxes
7) Exclusive-OR (XOR)
8) Product Ciphers
9) Product Ciphers: Diffusion
10) Product Ciphers: Confusion




Introduction: (0:00)
Modern Block Ciphers : (0:46)
Susbtituiton or Transposition: (1:48)
Components of Modern Block Cipher: (2:45)
Transposition Unit P-Boxes: (4:29)
Substitution Unit S-Boxes: (6:51)
Exclusive-OR (XOR): (9:25)
Product Ciphers: (13:34)
Product Ciphers Diffusion: (17:32)
Product Ciphers Confusion: (19:50)