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CHAPTER 7Encrypting Files

About This Chapter

In this chapter, we introduce cryptography and encryption applications. To begin with, we use encryption as a way to protect individual files. We examine the following topics:

  • ■   Encryption fundamentals, including cryptanalysis

  • ■   Building blocks for computer-based encryption

  • ■   Features and properties of effective file encryption

  • ■   Digital rights management

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