Cryptography

  1. Cryptanalysis and Security Analysis
    1. Attack Models and Classifications
      1. Cryptanalytic Attack Models
        1. Ciphertext-Only Attack
          1. Attack Scenario
            1. Information Available
              1. Success Criteria
              2. Known-Plaintext Attack
                1. Attack Scenario
                  1. Historical Examples
                    1. Countermeasures
                    2. Chosen-Plaintext Attack
                      1. Active vs. Passive Attacks
                        1. Adaptive Chosen-Plaintext
                          1. CPA Security
                          2. Chosen-Ciphertext Attack
                            1. CCA1 and CCA2 Security
                              1. Adaptive Attacks
                                1. Practical Scenarios
                              2. Computational Complexity
                                1. Attack Complexity Measures
                                  1. Time Complexity
                                    1. Space Complexity
                                      1. Data Complexity
                                      2. Security Levels
                                        1. Equivalent Key Lengths
                                          1. Security Margins
                                        2. Attack Success Metrics
                                          1. Total Break
                                            1. Partial Break
                                              1. Distinguishing Attack
                                                1. Key Recovery
                                              2. Classical Cryptanalysis Techniques
                                                1. Frequency Analysis
                                                  1. Letter Frequency
                                                    1. Bigram and Trigram Analysis
                                                      1. Index of Coincidence
                                                        1. Chi-squared Test
                                                        2. Pattern Analysis
                                                          1. Repeated Patterns
                                                            1. Word Patterns
                                                              1. Probable Word Attacks
                                                              2. Statistical Methods
                                                                1. Correlation Analysis
                                                                  1. Entropy Analysis
                                                                    1. Randomness Testing
                                                                    2. Dictionary Attacks
                                                                      1. Common Passwords
                                                                        1. Word Lists
                                                                          1. Rule-based Variations
                                                                        2. Modern Cryptanalysis Methods
                                                                          1. Brute Force Attacks
                                                                            1. Time-Memory Trade-offs
                                                                              1. Rainbow Tables
                                                                                1. Hellman Tables
                                                                                  1. Distinguished Points
                                                                                2. Mathematical Attacks
                                                                                  1. Linear Cryptanalysis
                                                                                    1. Linear Approximations
                                                                                      1. Bias Calculation
                                                                                        1. Data Requirements
                                                                                          1. Piling-up Lemma
                                                                                          2. Differential Cryptanalysis
                                                                                            1. Differential Characteristics
                                                                                              1. Probability Analysis
                                                                                                1. Chosen Plaintext Requirements
                                                                                                2. Algebraic Attacks
                                                                                                  1. System of Equations
                                                                                                    1. Gröbner Basis Methods
                                                                                                      1. SAT Solvers
                                                                                                      2. Integral Cryptanalysis
                                                                                                        1. Square Attack
                                                                                                          1. Multiset Properties
                                                                                                            1. Higher-Order Differentials
                                                                                                          2. Side-Channel Attacks
                                                                                                            1. Timing Attacks
                                                                                                              1. Execution Time Analysis
                                                                                                                1. Statistical Methods
                                                                                                                  1. Countermeasures
                                                                                                                  2. Power Analysis Attacks
                                                                                                                    1. Simple Power Analysis
                                                                                                                      1. Differential Power Analysis
                                                                                                                        1. Correlation Power Analysis
                                                                                                                          1. Template Attacks
                                                                                                                          2. Electromagnetic Analysis
                                                                                                                            1. EM Emanations
                                                                                                                              1. Near-field vs. Far-field
                                                                                                                                1. Shielding Countermeasures
                                                                                                                                2. Acoustic Cryptanalysis
                                                                                                                                  1. Sound-based Attacks
                                                                                                                                    1. Microphone Placement
                                                                                                                                      1. Signal Processing
                                                                                                                                      2. Fault Analysis
                                                                                                                                        1. Fault Injection Methods
                                                                                                                                          1. Differential Fault Analysis
                                                                                                                                            1. Safe-Error Attacks
                                                                                                                                          2. Implementation Attacks
                                                                                                                                            1. Cache Attacks
                                                                                                                                              1. Cache Timing
                                                                                                                                                1. Flush+Reload
                                                                                                                                                  1. Prime+Probe
                                                                                                                                                  2. Memory Attacks
                                                                                                                                                    1. Cold Boot Attacks
                                                                                                                                                      1. Memory Remanence
                                                                                                                                                        1. DMA Attacks
                                                                                                                                                        2. Physical Attacks
                                                                                                                                                          1. Invasive Attacks
                                                                                                                                                            1. Semi-invasive Attacks
                                                                                                                                                              1. Reverse Engineering
                                                                                                                                                          2. Protocol Analysis
                                                                                                                                                            1. Protocol Security Analysis
                                                                                                                                                              1. Formal Methods
                                                                                                                                                                1. Model Checking
                                                                                                                                                                  1. Protocol Verification Tools
                                                                                                                                                                  2. Common Protocol Vulnerabilities
                                                                                                                                                                    1. Replay Attacks
                                                                                                                                                                      1. Man-in-the-Middle Attacks
                                                                                                                                                                        1. Session Hijacking
                                                                                                                                                                          1. Downgrade Attacks
                                                                                                                                                                          2. Protocol Design Principles
                                                                                                                                                                            1. Authentication Mechanisms
                                                                                                                                                                              1. Key Freshness
                                                                                                                                                                                1. Perfect Forward Secrecy
                                                                                                                                                                              2. Countermeasures and Defenses
                                                                                                                                                                                1. Algorithm-Level Countermeasures
                                                                                                                                                                                  1. Increased Key Sizes
                                                                                                                                                                                    1. Algorithm Modifications
                                                                                                                                                                                      1. Security Margins
                                                                                                                                                                                      2. Implementation-Level Countermeasures
                                                                                                                                                                                        1. Constant-Time Implementations
                                                                                                                                                                                          1. Masking Techniques
                                                                                                                                                                                            1. Randomization
                                                                                                                                                                                              1. Blinding Methods
                                                                                                                                                                                              2. System-Level Countermeasures
                                                                                                                                                                                                1. Hardware Security Modules
                                                                                                                                                                                                  1. Secure Enclaves
                                                                                                                                                                                                    1. Tamper-Resistant Hardware
                                                                                                                                                                                                    2. Operational Countermeasures
                                                                                                                                                                                                      1. Key Rotation
                                                                                                                                                                                                        1. Monitoring and Detection
                                                                                                                                                                                                          1. Incident Response

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                                                                                                                                                                                                      9. Applied Cryptography and Security Protocols