Titlebook: Security in Computing Systems; Challenges, Approach Joachim Biskup Book 2009 Springer-Verlag Berlin Heidelberg 2009 Access Control.Anonymiz

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Messages, Inferences, Information and Knowledgef ., which are based on . and .. More specifically, in Section 2.1 we outline and visualize two important patterns for treating security in computing systems: Subsection 2.1.2, with Figure 2.4, presents a general description of information flow based on message transmission and involving inferences,

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Preventive Inference Controlations. In this chapter, we concentrate on security mechanisms for . a participant of a computing system from gaining specific information about . parts of the system behavior from observing selected . parts. We examine some examples of basic constructs of computing systems regarding their potential

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Combined Techniquesoncerning security. In this chapter, we provide an introduction to such combinations and, additionally, consider two further important concepts: at run time, we nearly always have to properly . or at least suitably . agents and . them, and at design time, security administrators have to specify thei

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Conceptual Access Rightsed by an appropriate .. As with any other knowledge base, its ., usually referred to as the ., determine the structures that can be used to represent the intended permissions and prohibitions, and its . give rise to the available ., which in this case comprise at least the following ones:

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Techniques of Cryptography: Essentialss, which express which agents are permitted or prohibited to perform which operations on which objects. Within the computing system, the . actually declared and, if applicable, the . are persistently represented and managed by a ..

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Encryption Basically, this goal is achieved by transforming the data underlying the crucial information such that the transformed data looks as if it is .. Accordingly, an unauthorized eavesdropper should not be able to infer any meaningful information from the transformed data. However, the designated receiv

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