Definition of Key Terms

Define the following key terms from this chapter, and check your answers in the glossary:

Advanced Encryption Standard (AES), block cipher, cryptography, ciphertext, Data Encryption Standard (DES), Triple Data Encryption Standard (3DES), hashing, keyspace, Rivest Cipher (RC) algorithms, Software Encryption Algorithm (SEAL), stream cipher

This chapter covers the following topics:

Examining hash algorithms: This section explores the construction and use of hash algorithms. It examines a variety of hash algorithms and discusses their relative strengths and weaknesses in practical application.

Using digital signatures: This section examines the components that make up a digital signature, as well as the application of these as a means of proving the authenticity of a message.

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