Titlebook: Data and Applications Security and Privacy XXVII; 27th Annual IFIP WG Lingyu Wang,Basit Shafiq Conference proceedings 2013 IFIP Internatio

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Database Fragmentation with Encryption: Under Which Semantic Constraints and A Priori Knowledge Can g approach splits data among two supposedly mutually isolated servers by means of fragmentation and encryption. This approach is modelled logic-orientedly and then proved to be confidentiality preserving, even if an attacker employs some restricted but nevertheless versatile class of a priori knowle

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Policy Analysis for Administrative Role Based Access Control without Separate Administration a generalized approach to access control and is well recognized for its many advantages in managing authorization policies..This paper considers user-role reachability analysis of administrative role based access control (ARBAC), which defines administrative roles and specifies how members of each

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Hypervisor Event Logs as a Source of Consistent Virtual Machine Evidence for Forensic Cloud Investigand privacy concerns of this infrastructure arising from the large co-location of tenants are, however, significant and pose considerable challenges in its widespread deployment. The current work addresses one aspect of the security problem by facilitating forensic investigations to determine if the

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: Verification of Dedicated Cloud Storageatory control. To address these concerns, cloud providers are starting to offer hardware resources dedicated to a single user. Cloud users have to pay more for such dedicated tenancy; however, they may not be able to detect the unexpected misuse of their dedicated storage due to the abstraction laye

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Bloom Filter Bootstrap: Privacy-Preserving Estimation of the Size of an Intersectionf two Bloom filters (BFs) of the given sets, the proposed scheme applies Bayesian estimation under assumption of beta distribution for an a priori probability of the size to be estimated. The BF retains the communication complexity and the Bayesian estimation improves the estimation accuracy..An pos

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