Contents: ch. 1 Basics of Security and Cryptography / Al-Sakib Khan Pathan ch. 2 Classical Cryptographic Algorithms / Saiful Azad ch. 3 Rotor Machine / Saiful Azad ch. 4 Block Cipher / Saiful Azad ch. 5 Data Encryption Standard / Saiful Azad ch. 6 Advanced Encryption Standard / Saiful Azad ch. 7 Asymmetric Key Algorithms / Saiful Azad ch. 8 The RSA Algorithm / Sa…
Content: An overview of the subject Divisibility and modular arithmetic The evolution of codemaking until the computer era Matrices and the Hill cryptosystem The evolution of codebreaking until the computer era Representation and arithmetic of integers in different bases Block cryptosystems and the data encryption standard (DES) Some number theory and algorithms Public key cry…