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Managing Cisco Network Security, 2nd Edition by Syngress

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Chapter 6

Cryptography

Introduction

Cryptography is everywhere these days, from hashed passwords to encrypted mail, to Internet Protocol Security (IPSec) virtual private networks (VPNs) and even encrypted filesystems. Security is the reason why people opt to encrypt data, and if you want your data to remain secure you’d best know a bit about how cryptography works. This chapter certainly can’t teach you how to become a professional cryptographer—that ...

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