Chapter 31
Program Security
CLOWN: What is he that builds stronger than either the mason, the shipwright, or the carpenter?OTHER CLOWN: The gallows-maker; for that frame outlives a thousand tenants.
— Hamlet, V, i, 42–45.
The software on systems implements many mechanisms that support security. Some of these mechanisms reside in the operating system, whereas others reside in application and system programs. This chapter discusses the design and implementation of a program to grant users increased privileges. It also presents common programming errors that create security problems, and offers suggestions for avoiding those problems. Finally, testing and distribution are discussed.
This chapter shows the development of the program from requirements ...
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