Introduction to Cryptography with Java Applets > 보안

Codes
Monoalphabetic Substitution
Ciphers
Frequency Analysis on Caesar Ciphers
Frequency Analysis on Monoalphabetic Substitution Ciphers
Polyalphabetic Substitution Ciphers
The Vigenere Cipher and Code Wheels
Breaking Simple Vigenere Ciphers
The Kaisiski Method of Determining Key Length
The Full Vigenere Cipher
The Auto-Key Vigenere Cipher
The Running Key Vigenere Cipher
Breaking Auto Key and Running Key Vigenere Ciphers
The One-Time Pad
Transposition Ciphers
Polygram Substitution Ciphers
The Playfair Cipher
Breaking Simple Polygram Ciphers
The Jefferson Cylinder
Homophonic Substitution Ciphers
Combination Substitution/Transposition Ciphers
Exercises
Chapter 2: Large Integer Computing

Constructors
Comparison Methods
Arithmetic Methods
The Java BigInteger Class
Constructors
Methods
Exercises
Chapter 3: The Integers

The Division Algorithm
The Euclidean Algorithm
Fundamental Theorem of Arithmetic
Exercises
Chapter 4: Linear Diophantine Equations & Linear Congruences

Linear Diophantine Equations
Linear Congruences
Modular Inverses
Exercises
Chapter 5: Linear Ciphers

The Caesar Cipher
Weaknesses of the Caesar Cipher
Affine Transformation Ciphers
Weaknesses of Affine Transformation Ciphers
The Vigenere Cipher
Block Affine Ciphers
Weaknesses of the Block Affine Cipher-Known Plaintext Attack
Padding Methods
Exercises
Chapter 6: Systems of Linear Congruences-Single Modulus

Modular Matrices
Modular Matrix Inverses
Exercises
Chapter 7: Matrix Ciphers

Weaknesses of Matrix Cryptosystems
Transposition Ciphers
Combination Substitution/Transposition Ciphers
Exercises
Chapter 8: Systems of Linear Congruences-Multiple Moduli

The Chinese Remainder Theorem
Exercises
Chapter 9: Quadratic Congruences

Quadratic Congruences Modulo a Prime
Fermat’s Little Theorem
Quadratic Congruences Modulo a Composite
Exercises
Chapter 10: Quadratic Ciphers

The Rabin Cipher
Weaknesses of the Rabin Cipher
Strong Primes
Salt
Cipher Block Chaining-CBC
Blum-Goldwasser Probabilistic Cipher
Weaknesses of the Blum-Goldwasser Probabilistic Cipher
Exercises
Chapter 11: Primality Testing

Miller’s Test The Rabin-Miller Test
Exercises
Chapter 12: Factorization Techniques

Fermat Factorization
Monte Carlo Factorization
The Pollard p-1 Method of Factorization
Exercises
Chapter 13: Exponential Congruences

Order of an Integer
Generators
Generator Selection
Calculating Discrete Logarithms
Exercises
Chapter 14: Exponential Ciphers

Diffie-Hellman Key Exchange
Weaknesses of Diffie-Hellman
The Pohlig-Hellman Exponentiation Cipher
Weaknesses of the Pohlig-Hellman Cipher
Cipher Feedback Mode-CFB
The ElGamal Cipher Weaknesses of ElGamal
The RSA Cipher
Weaknesses of RSA
Exercises
Chapter 15: Establishing Keys and Message Exchange

Establishing Keys
Diffie-Hellman Key Exchange Application
Message Exchange
Cipher Chat Application
Exercises
Chapter 16: Cryptographic Applications

Shadows
Database Encryption
Large Integer Arithmetic
Random Number Generation
Signing Messages
Message Digests
Signing with ElGamal
Attacks on Digest Functions
Zero Knowledge Identification
Exercises
Appendix: List of Propositions

Appendix II: Information Theory

Entropy of a Message
Rate of a Language
Cryptographic Techniques
Confusion
Diffusion
Compression
Recommended Reading
Index