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发表于 2025-3-23 10:39:42
Introduction,stem as shown in Figure 1.1. Any program that is run on a computer system has instructions executed by that computer’s CPU, but these programs may also require the use of other peripheral resources of these complex systems. Consider a program that allows a user to enter her password. The operating s
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发表于 2025-3-23 16:31:42
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Commentary
发表于 2025-3-23 21:58:54
Multics,many of our fundamental operating systems concepts, including those for secure operating systems, were invented. For operating systems, these concepts include segmented and virtual memory, shared memory multiprocessors, hierarchical file systems, and online reconfiguration among others. For secure o
无能力之人
发表于 2025-3-23 23:59:35
Security in Ordinary Operating Systems,irements. In this chapter, we examine the UNIX and Windows operating systems and show why they are fundamentally not secure operating systems. We first examine the history these systems, briefly describe their protection systems, then we show, using the requirements of a secure operating system defi
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发表于 2025-3-24 04:14:37
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欢乐东方
发表于 2025-3-24 07:19:55
Security Kernels,d be constructed and that there was a market for such an operating system, within the US government anyway. Many of the leaders of these operating system projects were former members of the Multics team, but they now led other research groups or development groups. Even Honeywell, the owner of the M
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发表于 2025-3-24 14:14:39
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柱廊
发表于 2025-3-24 16:19:51
Case Study: Solaris Trusted Extensions, It is the latest in a series of MLS workstation and server operating systems that have been under development at Sun since 1988. The first version, SunOS MLS 1.0, which appeared in 1990, was based on the SunView window system. It was designed to meet the TCSEC B1 level , see Chapter 12. Howeve
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发表于 2025-3-24 20:19:40
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大暴雨
发表于 2025-3-25 02:15:10
Secure Capability Systems,s matrix identified two views of an access control policy: (1) an object-centric view, called ., where the policy is defined in terms of which subjects can access a particular object (the columns of the matrix) and (2) a subject-centric view, called ., where the policy is defined in terms of w