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3

Cryptographic Concepts

IN THE FIELD OF INFORMATION SECURITY, there are a handful of essential topics that serve as the foundation to understanding other technologies. One of these topics is cryptography, which is a body of knowledge that deals with the protection and preservation of information. Cryptography is one of the techniques woven into the very fabric of other technologies including IP Security (IPSec), certificates, digital signatures, and many others. The technology is also included in devices such as cell phones, car computers, GPS devices, digital media layers, automated teller machines (ATMs), and countless others. Some other common examples of cryptography in use include Wired Equivalent Privacy (WEP), Wi-Fi ...

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