Cryptography Demystified

Part I: INTRODUCTION TO SYMMETRIC CRYPTOGRAPHY Module 1 First Considerations Exercise 1 Module 2 Plaintext Exercise 2 Module 3 Digitization of Plaintext Exercise 3 Module 4 Toward a Cryptographic Paradigm Exercise 4 Module 5 What We Want from the Keytext Exercise 5 Module 6 Randomness I Exercise 6 Module 7 Finite State Sequential Machines Exercise 7 Transition Matrix Module 8 m-sequences Exercise 8 Module 9 The Paradigm Attempted Exercise 9 Module 10 The Block Cipher Function - A Modern Keystoneto the Paradigm Exercise 10 Module 11 Confidentiality Modes: ECB and CTR Exercise 11 Module 12 Confidentiality Mode: Output Feedback (OFB) Exercise 12 Module 13 Confidentiality Modes: Cipher Feedback (CFB)and Cipher Block Chaining (CBC) Exercise 13 Part II NUMBER THEORY WE WILL NEED Module 14 Prime Numbers I Exercise 14 Module 15 Congruences Exercise 15 Module 16 Euler-Fermat Theorem Exercise 16 Module 17 The Euler Phi (f) Function Exercise 17 Module 18 The Binary Exponentiation Algorithm Exercise 18 Module 19 The Extended Euclidean Algorithm Exercise 19 Module 20 Primitive Roots Exercise 20 Module 21 Chinese Remainder Theorem Exercise 21 Part III INTRODUCTION TO PUBLIC KEY CRYPTOGRAPHY Module 22 Merkle's Puzzle Exercise 22 Module 23 The Diffie-Hellman Public Key Cryptographic System Exercise 23 Module 24 Split Search Exercise 24 Module 25 A Variant of the Diffie-Hellman System Exercise 25 Module 26 The RSA Public Key Cryptographic System Exercise 26 Module 27 Prime Numbers II Exercise 27 Part IV KEYING VARIABLES Module 28 Keying Variable Distribution Exercise 28 Module 29 Secret Sharing Exercise 29 Module 30 Randomness II Exercise 30 Module 31 Cryptovariables Exercise 31 Part V CRYPTO-OBSOLESCENCE Module 32 The Aging Cryptoalgorithm Exercise 32 Module 33 SUPERDES(tm) Exercise 33 Part VI CHANNEL-BASED CRYPTOGRAPHY Module 34 The Channel Is the Cryptovariable Exercise 34 Module 35 The Quantum Cryptographic Channel Exercise 35 Answers to Exercises Glossary Index