Chapter 14. Cryptography

Today, the Internet provides the most efficient and commonly used information highway for communication and information exchange. With millions of people communicating on this highway, privacy has become an extremely important issue.

Secure communication is becoming pivotal in every network design. For this reason, cryptography is one of the essential elements of today’s information systems, providing secure access to information with greater reliability, authenticity, accuracy, and confidentiality.

This chapter provides an overview of cryptography solutions and various types of virtual private network (VPN) deployments. This chapter builds foundation knowledge of cryptographic algorithms and protocols for the next chapter ...

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