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TICSA TruSecure™ ICSA Certified Security Associate Exam TU0-001 by Shawn Porter, Debra Littlejohn Shinder, Mike Chapple

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Chapter 9. Cryptography and Public Key Infrastructure

OBJECTIVES

This chapter covers the following TruSecure-specified objectives for the TICSA exam:

Identify key issues of cryptography and be able to explain basic cryptographic methods in use today.

  • Recognize the characteristics of encryption.

  • Identify encryption types.

  • Define the uses of hash functions.

  • Define the uses of digital signatures.

  • This chapter introduces you to the basic concepts behind encryption and the differences between symmetrical and asymmetrical encryption types. You learn what a hash function is and how it is used in encryption algorithms. We discuss how digital signatures are used to authenticate identity and ensure that the original content of a message has not been changed. ...

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