Download Formal Aspects in Security and Trust: IFIP TC1 WG1.7 by Mario Bravetti, Nadia Busi, Roberto Gorrieri (auth.), Theo PDF

By Mario Bravetti, Nadia Busi, Roberto Gorrieri (auth.), Theo Dimitrakos, Fabio Martinelli (eds.)

ISBN-10: 0387240500

ISBN-13: 9780387240503

International Federation for info Processing

The IFIP sequence publishes cutting-edge leads to the sciences and applied sciences of knowledge and communique. The scope of the sequence comprises: foundations of computing device technological know-how; software program conception and perform; schooling; computing device functions in know-how; conversation platforms; platforms modeling and optimization; info platforms; pcs and society; computers know-how; safety and security in info processing structures; synthetic intelligence; and human-computer interplay. court cases and post-proceedings of referred overseas meetings in computing device technological know-how and interdisciplinary fields are featured. those effects usually precede magazine e-book and characterize the most up-tp-date examine. The crucial goal of the IFIP sequence is to inspire schooling and the dissemination and alternate of knowledge approximately all features of computing.

For additional information in regards to the three hundred different books within the IFIP sequence, please stopover at www.springeronline.com.

For additional information approximately IFIP, please stopover at www.ifip.or.at.

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Formal Aspects in Security and Trust: IFIP TC1 WG1.7 Workshop on Formal Aspects in Security and Trust (FAST), World Computer Congress, August 22–27, 2004, Toulouse, France

Overseas Federation for info ProcessingThe IFIP sequence publishes cutting-edge ends up in the sciences and applied sciences of knowledge and communique. The scope of the sequence comprises: foundations of computing device technological know-how; software program conception and perform; schooling; laptop purposes in expertise; conversation structures; structures modeling and optimization; details platforms; pcs and society; computers expertise; safety and security in info processing platforms; synthetic intelligence; and human-computer interplay.

Extra resources for Formal Aspects in Security and Trust: IFIP TC1 WG1.7 Workshop on Formal Aspects in Security and Trust (FAST), World Computer Congress, August 22–27, 2004, Toulouse, France

Sample text

As a consequence, automaton A is not PTNDC secure. Theorem 15 and Example 16 show that the PTNI property is not able to detect some potential deadlock due to high level activities, exactly as put in evidence in [8]. For this reason we resort to the PTNDC property, which implies PTNI, in order to capture these finer undesirable behaviors. It is worth noticing that, as it happens for the analogous properties defined in [1, 8, 9], the above definition of the PTNDC property is difficult to use in practice because of the universal quantification on the high level agents.

For simplicity, we assume that x does not appear in C, since a-conversion can always be used to rename x to another fresh variable. This assumption also applies to the typing rules. Rule (S4) is used to determine the subtyping on security types. The premise C h ßi < p2 is natural. The other premise C h £\ Q £2 guarantees that coercing data from r\ to r^ does not violate information flow policies. 2 Typing The type system of Xnsec prevents illegal information flows and guarantees that well-typed programs have a noninterference property.

Gray III. Toward a Mathematical Foundationfor Information Flow Secuhty. Journal ofComputerSecurity, 1:255-294, 1992. [12] P. R. Halmos: Measure Theory. Springer-Verlag, 1950. [13] M. Kwiatkowska, G. Norman, R. Segala, J. Sproston: Automatic Verification ofReal-time Systems with Discrete Probability Distribution. Theoretical Computer Science, 282:101150,2002. [14] M. Kwiatkowska, R. Norman, J. Sproston: Symbolic Model Checking of Probabilistic Timed Automata Using Backwards Reachability. Tech. rep.

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