Shiu-Kai Chin's Access control, security, and trust : a logical approach PDF

By Shiu-Kai Chin

ISBN-10: 1584888628

ISBN-13: 9781584888628

"Developed from the authors' classes at Syracuse collage and the U.S. Air strength examine Laboratory, entry keep watch over, safeguard, and belief: A Logical procedure equips readers with an entry regulate good judgment they could use to specify and make sure their defense designs. through the textual content, the authors use a unmarried entry keep watch over good judgment in accordance with an easy propositional modal logic.

The first a part of the booklet offers the syntax and semantics of entry keep an eye on common sense, uncomplicated entry keep watch over suggestions, and an advent to confidentiality and integrity rules. the second one part covers entry regulate 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 regulate, this booklet exhibits how common sense is an invaluable device for studying safeguard designs and spelling out the stipulations upon which entry regulate judgements rely. it truly is designed for machine engineers and desktop scientists who're accountable for designing, enforcing, and verifying safe machine and data systems."--Pub. desc.  Read more...

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

Example text

B |= Val | Wyn says r g. A |= Wyn controls (p ∧ r) h. 6 For each of the following formulas ϕ, find Kripke structures Mx and My such that Mx |= ϕ and My |= ϕ. a. Ned says (p ≡ q) b. Olaf controls q c. Pam says (Rue controls r) d. 7 Prove that, for any Kripke structure M = W, I, J , principal P, and formulas ϕ1 and ϕ2 , the following relationship holds: EM [[P says (ϕ1 ≡ ϕ2 )]] ∩ EM [[P says ϕ1 ]] ⊆ EM [[P says ϕ2 ]]. 8 Prove that, for every Kripke structure M = W, I, J , principal P, and formulas ϕ1 and ϕ2 , the following relationship holds: M |= P says (ϕ1 ≡ ϕ2 ) ⊃ (P says ϕ1 ⊃ P says ϕ2 ).

To be explicit, the logic is a useful tool for analyzing security designs and for making explicit the conditions upon which access-control decisions depend. Although the logic can be used to inform an implementation, it is not a programming language, and we are not suggesting that access controllers be implemented as theorem provers. , certificates and credentials) against existing policies and trust assumptions; these checklists correspond to provably sound inference rules in the logic. Two chapters (Chapter 2 and Chapter 3) are devoted to formally defining the syntax and semantics of the logic.

This machine has four states: A, B, C, and D. The column labeled “Present State” lists the possible present states of M. The two columns under the label “Next State” list the next states of M if the input x is either 0 or 1, respectively. 2 describes M’s behavior whenever it is currently in state B: if the input is x is 0, then the next state will be A; if x is 1, then the next state will be C. We can construct a Kripke structure W2 , I2 , J2 to model this machine by defining W2 to be the set of M’s states: W2 = {A, B,C, D}.

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

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