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| List of Figures | |
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| List of Tables | |
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| Setting the Scene | |
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| Basic Principles | |
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| Why information security? | |
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| Security risks | |
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| Security services | |
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| Fundamentals of cryptosystems | |
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| Cryptosystem security assumptions | |
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| Breaking cryptosystems | |
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| Summary | |
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| Further reading | |
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| Activities | |
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| Historical Cryptosystems | |
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| Monoalphabetic ciphers | |
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| Historical advances | |
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| Summary | |
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| Further reading | |
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| Activities | |
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| Theoretical versus Practical Security | |
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| Theoretical security | |
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| Practical security | |
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| Summary | |
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| Further reading | |
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| Activities | |
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| The Cryptographic Toolkit | |
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| Symmetric Encryption | |
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| Classification of symmetric encryption algorithms | |
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| Stream ciphers | |
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| Block ciphers | |
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| The Data Encryption Standard | |
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| The Advanced Encryption Standard | |
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| Modes of operation | |
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| Summary | |
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| Further reading | |
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| Activities | |
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| Public-Key Encryption | |
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| Public-key cryptography | |
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| RSA | |
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| ElGamal and elliptic curve variants | |
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| Comparison of RSA, ElGamal and elliptic curve variants | |
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| Uses in practice of public-key cryptosystems | |
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| Summary | |
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| Further reading | |
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| Activities | |
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| Data Integrity | |
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| Different levels of data integrity | |
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| Hash functions | |
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| Message authentication codes | |
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| Summary | |
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| Further reading | |
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| Activities | |
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| Digital Signature Schemes | |
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| Digital signatures | |
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| Non-repudiation using symmetric techniques | |
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| Digital signature schemes based on RSA | |
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| Digital signature schemes in practice | |
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| Summary | |
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| Further reading | |
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| Activities | |
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| Entity Authentication | |
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| Random number generation | |
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| Providing freshness | |
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| Fundamentals of entity authentication | |
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| Passwords | |
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| Dynamic password schemes | |
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| Zero-knowledge mechanisms | |
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| Summary | |
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| Further reading | |
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| Activities | |
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| Cryptographic Protocols | |
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| Protocol basics | |
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| From objectives to a protocol | |
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| Analysing a simple protocol | |
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| Authentication and key establishment protocols | |
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| Summary | |
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| Further reading | |
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| Activities | |
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| Key Management | |
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| Key Management | |
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| Key management fundamentals | |
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| Key lengths and lifetimes | |
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| Key generation | |
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| Key establishment | |
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| Key storage | |
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| Key usage | |
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| Governing key management | |
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| Summary | |
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| Further reading | |
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| Activities | |
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| Public-Key Management | |
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| Certification of public keys | |
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| The certificate lifecycle | |
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| Public-key management models | |
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| Alternative approaches | |
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| Summary | |
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| Further reading | |
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| Activities | |
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| Applications | |
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| Cryptographic Applications | |
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| Cryptography on the Internet | |
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| Cryptography for wireless local area networks | |
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| Cryptography for mobile telecommunications | |
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| Cryptography for secure payment card transactions | |
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| Cryptography for video broadcasting | |
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| Cryptography for identity cards | |
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| Cryptography for home users | |
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| Summary | |
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| Further reading | |
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| Activities | |
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| Closing Remarks | |
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| Mathematics Appendix | |
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| Decimal, binary and hex | |
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| Modular arithmetic | |
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| The mathematics of RSA | |
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| The mathematics of ElGamal | |
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| Further reading | |
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| Bibliography | |
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| Index | |