Lecture Data security and encryption - Chapter 4: Basic concepts in number theory and finite fields
Lecture Data security and encryption - Chapter 4: Basic concepts in number theory and finite fields
This chapter presents the following content: Classical cipher techniques and terminology, brute force, cryptanalysis of brute force, caesar cipher, cryptanalysis of caesar cipher, monoalphabetic substitution ciphers, playfair cipher, polyalphabetic ciphers, vigenère cipher.