Download e-book for kindle: Access control, security, and trust : a logical approach by Shiu-Kai Chin

By Shiu-Kai Chin

ISBN-10: 1584888628

ISBN-13: 9781584888628

"Developed from the authors' classes at Syracuse college and the U.S. Air strength study Laboratory, entry regulate, safety, and belief: A Logical strategy equips readers with an entry keep watch over common sense they could use to specify and make sure their safeguard designs. in the course of the textual content, the authors use a unmarried entry regulate good judgment according to an easy propositional modal logic.

The first a part of the e-book provides the syntax and semantics of entry keep an eye on common sense, easy entry keep an eye on suggestions, and an advent to confidentiality and integrity guidelines. the second one part covers entry keep an eye on in networks, delegation, protocols, and using cryptography. within the 3rd part, the authors specialise in and digital machines. the ultimate half discusses confidentiality, integrity, and role-based entry control.

Taking a logical, rigorous method of entry keep an eye on, this e-book indicates how good judgment is an invaluable software for examining safety designs and spelling out the stipulations upon which entry regulate judgements count. it truly is designed for computing device engineers and desktop scientists who're chargeable for designing, enforcing, and verifying safe laptop and data systems."--Pub. desc.  Read more...

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Extra info for Access control, security, and trust : a logical approach

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Conjunction: A conjunctive formula ϕ1 ∧ ϕ2 is considered true in those worlds for which both ϕ1 and ϕ2 are true: that is, ϕ1 ∧ ϕ2 is true in those worlds w for which w ∈ EM [[ϕ1 ]] and w ∈ EM [[ϕ2 ]]. Thus, we can define EM [[ϕ1 ∧ ϕ2 ]] in terms of set intersection: EM [[ϕ1 ∧ ϕ2 ]] = EM [[ϕ1 ]] ∩ EM [[ϕ2 ]]. 30 Access Control, Security, and Trust: A Logical Approach Disjunction: Likewise, a disjunctive formula ϕ1 ∨ ϕ2 is considered true in those worlds for which at least one of ϕ1 and ϕ2 is true: that is, ϕ1 ∨ ϕ2 is true in those worlds w for which w ∈ EM [[ϕ1 ]] or w ∈ EM [[ϕ2 ]].

Proving that an “if and only if” statement is true involves two steps: (1) demonstrating that, whenever Property 1 holds, Property 2 must also hold; and (2) demonstrating that, whenever Property 2 holds, Property 1 must also hold. The following example demonstrates this proof approach to prove a property that will be useful for calculations in subsequent sections. 3 Property: Let A, X, and Y be sets such that X and Y are both subsets of A. Then A ⊆ (A − X) ∪Y if and only if X ⊆ Y . A Language for Access Control 15 Proof: Our analysis involves two steps: 1.

In this chapter, we introduce a collection of inference rules that will provide the basis for reasoning rigorously about access control. These rules describe a system for manipulating well-formed formulas as a way of calculating the consequences of various assumptions. A crucial property for these rules is that they must be sound with respect to the Kripke-structure semantics. That is, the rules should ensure that, in any situation where a given Kripke structure satisfies all of a rule’s premises, the Kripke structure also satisfies the rule’s consequent.

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Access control, security, and trust : a logical approach by Shiu-Kai Chin

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