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In today's national and global enterprises where business is conducted across time zones and continents, the "e" in email could stand for "essential." Even more critical is rock-solid email security. If you're the person charged with implementing that email security strategy, this book is for you. Backed with case studies, it offers the nuts-and-bolts information you need to understand your options, select products that meet your needs, and lock down your company's electronic communication systems.

Review how email operates and where vulnerabilities lie;

Learn the basics of cryptography and how to use it against invaders;

Understand PKI (public key infrastructure), who should be trusted to perform specific tasks, how PKI architecture works, and how certificates function;

Identify ways to protect your passwords, message headers, and commands, as well as the content of your email messages ;

Look at the different types of devices (or "tokens") that can be used to store and protect private keys.

作者简介：

Sean Turner, a founding member of the International Electronic Communication Analysts (IECA), has helped develop numerous standards including S/MIME, X.400, X.500, and P772, the content type for the US DMS. He is co-chair of the IETF S/MIME WG.

Russ Housley founded Vigil Security and has worked in the computer and network security field since 1982. He is the IETF chair.

Acknowledgments

Part I　Email and Security Background

Chapter 1　Introduction

　How This Book Is Organized

　　Part I: Email and Security Background

　　Part Ih PKI Basics

　　Part III: Secure Email

　　Part IV: Tokens

　　Part V: Case Studies

　　Part VI: Expectations for the Future

　　Appendices

　　Who Should Read This Book

Chapter 2 Understanding Email

　History and Evolution

　Internet Email

　　Wow! Email Is Just Like Snail Mail

　　　Process

　　　Formats

　　　Commands

　Mail Transfer System Architecture

　Emailing

　Email Client

　Webmail

Chapter 3 Security Fundamentals

　Who Wants to Read Your Email?

　Governments

　Businesses

　　Criminals

　　Hackers

　　Reporters and Bloggers

　　Friends and Family Members

　Where They Can Read Your Email

　How They Can Read Your Ernail

　　Eavesdrop

　　Masquerade

　What Else Can They Do to the MTS?

　How You Can Stop Them

　　Security Services

　 Fundamental Services

　 Derivative Services

　　Cryptographic Mechanisms

　 Encryption

　 Digital Signatures

　 One-Way Hash Functions

　　Basic Security Tools

　 Access Control Lists

　 Fake Traffic

　 Logs

　 Nonces

　 Signed Receipts

　 Sequence Numbering

　 Time

　More Attacks

Chapter 4　Cryptography Primer

　Symmetric Cryptography

　Types

　Algorithms

　Modes

　Symmetric Key Management

　Symmetric Integrity Functions

　Asymmetric Cryptography

　Public Key Encryption

　Digital Signatures

　Asymmetric Key Management

Part II PKI Basics

Chapter 5 Understandin$ Public Key Infrastructure

　Trust

　PKI Architectures

　 Single CA

　 Trust Lists

　 Hierarchical PKI

　　……

Part III Secure Email

Part IV Tokens

part v Case Studies

Part vI Expectations for the Future

Appendix A ABNF primer

Appendix B ASN.1 Primer

Appendix C MME Primer

Appendix D RFC Summaries

References

Index

Sean Turner，Russ Housley　著

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书籍介绍

It's your job to make email safe. Where do you start? In today's national and global enterprises where business is conducted across time zones and continents, the "e" in email could stand for "essential." Even more critical is rock-solid email security. If you're the person charged with implementing that email security strategy, this book is for you. Backed with case studies, it offers the nuts-and-bolts information you need to understand your options, select products that meet your needs, and lock down your company's electronic communication systems. Review how email operates and where vulnerabilities lie Learn the basics of cryptography and how to use it against invaders

Understand PKI (public key infrastructure), who should be trusted to perform specific tasks, how PKI architecture works, and how certificates function Identify ways to protect your passwords, message headers, and commands, as well as the content of your email messages Look at the different types of devices (or "tokens") that can be used to store and protect private keys