Public Key Cryptography

Applications and Attacks

Lynn Margaret Batten

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English

Wiley-IEEE Press
15 January 2013

Data encryption; Network security

Series: IEEE Press Series on Information and Communication Networks Security

Complete coverage of the current major public key cryptosystems their underlying mathematics and the most common techniques used in attacking them Public Key Cryptography: Applications and Attacks introduces and explains the fundamentals of public key cryptography and explores its application in all major public key cryptosystems in current use, including ElGamal, RSA, Elliptic Curve, and digital signature schemes. It provides the underlying mathematics needed to build and study these schemes as needed, and examines attacks on said schemes via the mathematical problems on which they are based – such as the discrete logarithm problem and the difficulty of factoring integers.

The book contains approximately ten examples with detailed solutions, while each chapter includes forty to fifty problems with full solutions for odd-numbered problems provided in the Appendix. Public Key Cryptography:

• Explains fundamentals of public key cryptography

• Offers numerous examples and exercises

• Provides excellent study tools for those preparing to take the Certified Information Systems Security Professional (CISSP) exam

• Provides solutions to the end-of-chapter problems

Public Key Cryptography provides a solid background for anyone who is employed by or seeking employment with a government organization, cloud service provider, or any large enterprise that uses public key systems to secure data.

By: Lynn Margaret Batten
Imprint: Wiley-IEEE Press
Country of Publication: United States
Dimensions: Height: 236mm, Width: 160mm, Spine: 23mm
Weight: 476g
ISBN: 9781118317129
ISBN 10: 1118317122
Series: IEEE Press Series on Information and Communication Networks Security
Pages: 224
Publication Date: 15 January 2013
Audience: Professional and scholarly , Undergraduate
Format: Hardback
Publisher's Status: Active

Preface xii 0 Introduction 1 0.1 The Meaning of the Word Cryptography 2 0.2 Symmetric Key Cryptography 2 0.3 Public Key (Asymmetric) Cryptography 5 0.4 Key Establishment 8 0.5 Cryptography — more than just Hiding Secrets 9 0.6 Standards 10 0.7 Attacks 11 1 Congruence Equations 13 1.1 Congruence Arithmetic 13 1.1.1 Computer Examples 17 1.1.2 Problems 18 1.2 The Euclidean Algorithm — Finding Inverses 19 1.2.1 Computer Examples 26 1.2.2 Problems 27 1.3 Discrete Logarithms and Diffie-Hellman Key Exchange 27 1.3.1 Computer Examples 34 1.3.2 Problems 35 1.4 Attacking the Discrete Logarithm 37 1.4.1 Computer Examples 45 1.4.2 Problems 46 2 The ElGamal Scheme 49 2.1 Primitive Roots 49 2.1.1 Computer Examples 55 2.1.2 Problems 55 2.2 The ElGamal Scheme 56 2.2.1 Computer Examples 58 2.2.2 Problems 60 2.3 Security of the ElGamal Scheme 62 2.3.1 Computer Examples 64 2.3.2 Problems 64 3 The RSA Scheme 67 3.1 Euler's Theorem 67 3.1.1 Computer Examples 71 3.1.2 Problems 71 3.2 The RSA Algorithm 71 3.2.1 Computer Examples 76 3.2.2 Problems 78 3.3 RSA Security 79 3.3.1 Computer Examples 85 3.3.2 Problems 87 3.4 Implementing RSA 88 3.4.1 Computer Examples 90 3.4.2 Problems 91 4 Elliptic Curve Cryptography 93 4.1 Elliptic Curves and Elliptic Curve Groups 93 4.1.1 Computer Examples 102 4.1.2 Problems 103 4.2 Elliptic Curve Cryptography 104 4.2.1 Computer Examples 109 4.2.2 Problems 112 4.3 The Elliptic Curve Factoring Scheme 113 4.3.1 Computer Examples 115 4.3.2 Problems 116 5 Digital Signatures 117 5.1 Hash Functions 117 5.1.1 Computer Examples 129 5.1.2 Problems 130 5.2 Digital Signature Schemes 132 5.2.1 Computer Examples 139 5.2.2 Problems 141 5.3 Attacks on Digital Signatures 142 5.3.1 Computer Examples 150 5.3.2 Problems 152 6 Primality Testing 155 6.1 Fermat's Approach and Wilson's Theorem 156 6.1.1 Computer Examples 157 6.1.2 Problems 158 6.2 The Miller-Selfridge-Rabin Primality Test 158 6.2.1 Computer Examples 164 6.2.2 Problems 164 6.3 True Primality Tests 165 6.3.1 Computer Examples 168 6.4 Mersenne Primes and the Lucas-Lehmer Test 169 6.4.1 Computer Examples 171 6.4.2 Problems 171 6.5 Primes is in P 171 6.5.1 Computer Examples 175 6.5.2 Problems 176 7 Factoring Methods 179 7.1 Fermat Again 180 7.1.1 Computer Examples 183 7.1.2 Problems 185 7.2 The Quadratic Sieve 185 7.2.1 Computer Examples 187 7.2.2 Problems 189 7.3 Pollard's p - 1 and rho Methods 189 7.3.1 Computer Examples 193 7.3.2 Problems194 7.4 Continued Fractions and Factoring194 7.4.1 Computer Examples 200 7.4.2 Problems 203 Appendix: Solutions to Problems 207 References 231 Index 236 Notation 239

Professor Lynn Batten holds the Deakin Chair in Mathematics and is the Director of the Information Security Research Group at Deakin University. Her research interests include combinatorial geometry, computer network security and computational chemistry. As Associate Dean for Academic and Industrial Research at the University of Manitoba, her former institution, she established a number of agreements between the University and various industry and government sectors.

Reviews for Public Key Cryptography: Applications and Attacks

The book is suitable as a university text for years three and above, and I recommend that every computer scientist read it. I would be inclined to describe this book as offering what every computer scientist should know about public key cryptography. ( Computing Reviews , 9 September 2013)