Cryptography is the most effective way to achieve data security and is essential to e-commerce activities such as online shopping, stock trading, and banking. This book explains the basics of encryption and various techniques and introduces readers to the terminology used in the subject.

Get expert advice on choosing and using cryptography products

Protect yourself and your business from online eavesdroppers — it’s easier than you think!

If you were hoping for a flame-throwing watch or a flying car, we’re sorry – this isn’t James Bond’s equipment manual. Cryptography is a common-sense way to secure stuff on the Internet, and this friendly guidebook makes it easy to understand. Discover how you can protect information with keys, ciphers, PKIs, certificates, and more.

Praise for Cryptography For Dummies

"Cryptography is absolutely fundamental to security, personal privacy and a trusted global economy. Everyone, and I mean everyone, should understand how to protect themselves and how cryptography is used to protect the world’s most important asset: information. Given her extraordinary background and practical experience in network security, Chey Cobb is uniquely qualified to simplify the mystique of cryptography for the average person."
– Winn Schwartau, President, GetInsightU.Com and author "Information Warfare"and "Pearl Harbor Dot Com"

Discover how to:

• Analyze off-the-shelf encryption products
• Decide what type of security you need
• Create and manage keys
• Issue digital signatures and certificates
• Set up SSL for e-commerce
• Enable wireless encryption

• Cryptography is the most effective way to achieve data security and is essential to e-commerce activities such as online shopping, stock trading, and banking
• This invaluable introduction to the basics of encryption covers everything from the terminology used in the field to specific technologies to the pros and cons of different implementations
• Discusses specific technologies that incorporate cryptography in their design, such as authentication methods, wireless encryption, e-commerce, and smart cards
• Based entirely on real-world issues and situations, the material provides instructions for already available technologies that readers can put to work immediately
• Expert author Chey Cobb is retired from the NRO, where she held a Top Secret security clearance, instructed employees of the CIA and NSA on computer security and helped develop the computer security policies used by all U.S. intelligence agencies