Simple Steps to Data Encryption

1st Edition

A Practical Guide to Secure Computing

Authors: Peter Loshin
Paperback ISBN: 9780124114838
eBook ISBN: 9780124078826
Imprint: Syngress
Published Date: 25th April 2013
Page Count: 86
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Description

Everyone wants privacy and security online, something that most computer users have more or less given up on as far as their personal data is concerned. There is no shortage of good encryption software, and no shortage of books, articles and essays that purport to be about how to use it. Yet there is precious little for ordinary users who want just enough information about encryption to use it safely and securely and appropriately--WITHOUT having to become experts in cryptography.

Data encryption is a powerful tool, if used properly. Encryption turns ordinary, readable data into what looks like gibberish, but gibberish that only the end user can turn back into readable data again. The difficulty of encryption has much to do with deciding what kinds of threats one needs to protect against and then using the proper tool in the correct way. It's kind of like a manual transmission in a car: learning to drive with one is easy; learning to build one is hard.

The goal of this title is to present just enough for an average reader to begin protecting his or her data, immediately. Books and articles currently available about encryption start out with statistics and reports on the costs of data loss, and quickly get bogged down in cryptographic theory and jargon followed by attempts to comprehensively list all the latest and greatest tools and techniques. After step-by-step walkthroughs of the download and install process, there's precious little room left for what most readers really want: how to encrypt a thumb drive or email message, or digitally sign a data file.

There are terabytes of content that explain how cryptography works, why it's important, and all the different pieces of software that can be used to do it; there is precious little content available that couples concrete threats to data with explicit responses to those threats. This title fills that niche.

By reading this title readers will be provided with a step by step hands-o

Key Features

  • Simple descriptions of actual threat scenarios
  • Simple, step-by-step instructions for securing data
  • How to use open source, time-proven and peer-reviewed cryptographic software
  • Easy-to-follow tips for safer computing
  • Unbiased and platform-independent coverage of encryption tools and techniques

Table of Contents

To the Reader

Preface. What Is This?

What Is Cryptography?

What Can Cryptography Do?

Basic Cryptographic Functions

Does “Secret” Mean the Same as “Private”?

What OS Should I Use?

How Do I Do All This Stuff?

Introduction

Chapter 1. Using Gnu Privacy Guard

1.1 Keeping Data Secret, for a Novice GnuPG User

1.2 The Simplest Example: GnuPG Symmetric Encrypting Text

1.3 Decrypting a File (Symmetric Key)

1.4 Encrypting Interactively

1.5 ASCII Armor

1.6 Command Summary and Review

1.7 Review Questions

Chapter 2. Selected FAQs on Using GnuPG

2.1 Why Use GnuPG

2.2 Why Start with the Command Line

2.3 Why Use the Command Line

2.4 Getting to the Command Line

2.5 Is GnuPG Even Installed?

2.6 GnuPG Commands and Options

2.7 Simple Examples

2.8 Options: Getting More Information

2.9 Options: Text or Binary

2.10 Command Summary and Review

2.11 Review Questions

Chapter 3. Public Keys

3.1 Getting Someone’s Public Key

3.2 Generating a Public Key

3.3 Why Two Key Pairs?

3.4 Key Length

3.5 Key Expiration and Key Revocation

3.6 Reasons for Key Revocation

3.7 Generating a Public Key Pair, Completed

3.8 Exporting a Public Key

3.9 Command Summary and Review

3.10 Review Questions

Chapter 4. Public Key Functions

4.1 Decrypting and Verifying

4.2 Web of Trust

4.3 Encrypt and Sign

4.4 Benefits of Digital Signatures

4.5 Command Summary and Review

4.6 Review Questions

Chapter 5. More About Signatures

5.1 “Decrypting” a Digital Signature

5.2 More About Signatures

5.3 Digital Signature Types

5.4 Signing and Verifying, Summarized

5.5 Review Questions

Details

No. of pages:
86
Language:
English
Copyright:
© Syngress 2013
Published:
Imprint:
Syngress
eBook ISBN:
9780124078826
Paperback ISBN:
9780124114838

About the Author

Peter Loshin

Pete Loshin writes and consults about Internet protocols and open source network technologies. Formerly on staff at BYTE Magazine, Information Security Magazine and other publications, his work appears regularly in leading trade publications and websites including CPU, Computerworld, PC Magazine, EarthWeb, Internet.com, and CNN. Pete Loshin, Independent Consultant

Affiliations and Expertise

Internet-Standard.com, Arlington, MA, USA

Reviews

"This book couldn’t have come at a more opportune time...The message here is that everyone can benefit from protecting their information, and you should be doing it as a matter of habit in your everyday life."--Network Security, September 1 2013