Get Data and Applications Security and Privacy XXVIII: 28th PDF

By Vijay Atluri, Günther Pernul

ISBN-10: 3662439352

ISBN-13: 9783662439357

ISBN-10: 3662439360

ISBN-13: 9783662439364

This booklet constitutes the refereed lawsuits of the twenty eighth IFIP WG 11.3 overseas operating convention on facts and functions safety and privateness, DBSec 2014, held in Vienna, Austria, in July 2014. The 22 revised complete papers and four brief papers provided have been conscientiously reviewed and chosen from sixty three submissions. The papers are equipped in topical sections on entry keep an eye on, privateness, networked and cellular environments, info entry, cloud databases, and personal retrieval.

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Additional info for Data and Applications Security and Privacy XXVIII: 28th Annual IFIP WG 11.3 Working Conference, DBSec 2014, Vienna, Austria, July 14-16, 2014. Proceedings

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In one side, O1 defined a policy P1 composed of two security constraints SC1,1 = {withoutIDDisclosure(T1)} and SC2,1 = {SAttributeOf (T1 , Balance)} and two utility constraints U C1,1 = {provides(equality, Balance)} and U C2,1 = {provides(addition, Balance)}. O1 specifies that the attribute SSN is an identifier attribute and that the attributes Age and Address are quasi-identifier attributes. In another side, O2 defines a policy P2 composed of the security constraint SC1,2 = {withoutIDDisclosure(T2 )}.

The proposed system relies on a trusted party containing a proxy server allowing the interception of users queries which will be executed over the protected databases. The proxy stores a set of encryption keys allowing to encrypt and Specification and Deployment of Integrated Security Policies 19 decrypt data and queries. In order to allow the execution of different kind of SQL queries, CryptDB system combines different encryption schemes. For range query, it use an implementation of the Order Preserving Encryption (OPE) [5], computations on numeric data are supported using homomorphic encryption based on the Paillier cryptosystem [14] and matching keywords are supported using searchable encryption [17].

A constraint C is violated while the chosen goal G is satisfied if from the specification of our system Σ, the effects ΣMg of the mechanism Mg and the set of formulas ΣC representing the constraint C we can deduce a logic contradiction. This is can be formally represented as follows: Σ ∪ ΣMG ∪ ΣC ⊥ (30) Obviously, our toolbox may contain several mechanisms that can satisfy the chosen goal. In that case, we should be able to choose the best one. Definition 4 (Best goal satisfier). Given the set of mechanisms M = {M1 , · · · , Mn } that can be used to satisfy the defined goal G.

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Data and Applications Security and Privacy XXVIII: 28th Annual IFIP WG 11.3 Working Conference, DBSec 2014, Vienna, Austria, July 14-16, 2014. Proceedings by Vijay Atluri, Günther Pernul

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