Multimedia - Cryptography - Classical Substitution Ciphers -substitution - Arabic - video 7

Encryption operations used
•substitution
•transposition
•product
number of keys used
•single-key or private
•two-key or public
way in which plaintext is processed
•block
•stream
Classical Substitution Ciphers
Caesar Cipher
Cryptanalysis of Caesar Cipher
Affine Cipher
Affine Cipher - Example
Monoalphabetic Cipher
Language Redundancy and Cryptanalysis
Cryptanalysis
Playfair Cipher
Encrypting and Decrypting
Polyalphabetic Ciphers
Vigenère Cipher