文件名称:
计算机安全与密码学 Computer.Security.And.Cryptography.
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文件大小: 14mb
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上传时间: 2012-02-07
详细说明： 英文原版书 部分目录 FOREWORD ix PREFACE xi ABOUT THE AUTHOR xvii CHAPTER 1 APERITIFS 1.1 The Lexicon of Cryptography 1 1.2 Cryptographic Systems 4 1.3 Cryptanalysis 4 1.4 Side Information 6 1.5 Thomas Jefferson and the M-94 6 1.6 Cryptography and History 7 1.7 Cryptography and Computers 8 1.8 The National Security Agency 9 1.9 The Giants 10 1.10 No Sex, Money, Crime or . . . Love 12 1.11 An Example of the Inference Process in Cryptanalysis 13 1.12 Warning! 15 CHAPTER 2 COLUMNAR TRANSPOSITION 2.1 Shannon’s Classification of Secrecy Tran sformations 18 2.2 The Rules of Columnar Transposition Encipherment 18 2.3 Cribbing 21 2.4 Examples of Cribbing 25 2.5 Plaintext Language Models 30 2.6 Counting k-Grams 33 2.7 Deriving the Parameters of a Markov Model from Sliding Window Counts 34 2.8 Markov Scoring 34 2.9 The ADFGVX Transposition System 47 2.10 CODA 49 2.11 Columnar Transposition Problems 50 CHAPTER 3 MONOALPHABETIC SUBSTITUTION 3.1 Monoalphabetic Substitution 63 3.2 Caesar’s Cipher 65 3.3 Cribbing Using Isomorphs 66 3.4 The x2-Test of a Hypothesis 67 3.5 Pruning from the Table of Isomorphs 68 3.6 Partial Maximum Likelihood Estimation of a Monoalphabetic Substitution 73 3.7 The Hidden Markov Model (HMM) 78 3.8 Hill Encipherment of ASCII N-Grams 90 3.9 Gaussian Elimination 102 3.10 Monoalphabetic Substitution Problems 111 CHAPTER 4 POLYALPHABETIC SUBSTITUTION 4.1 Running Keys 116 4.2 Blaise de Vigene`re 117 4.3 Gilbert S. Vernam 117 4.4 The One-Time Pad 119 4.5 Finding the Key of Vernam–Vigene`re Ciphertext with Known Period by Correlation 120 4.6 Coincidence 124 4.7 Venona 127 4.8 Polyalphabetic Substitution Problems 132 CHAPTER 5 STATISTICAL TESTS 5.1 Weaknesses in a Cryptosystem 136 5.2 The Kolmogorov–Smirnov Test 136 5.3 NIST’s Proposed Statistical Tests 138 5.4 Diagnosis 139 5.5 Statistical Tests Problems 143 CHAPTER 6 THE EMERGENCE OF CIPHER ...展开收缩
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