Optimizing Integrity Checks for Join Queries in the Cloud

  • Sabrina De Capitani di Vimercati
  • Sara Foresti
  • Sushil Jajodia
  • Stefano Paraboschi
  • Pierangela Samarati
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8566)

Abstract

The large adoption of the cloud paradigm is introducing more and more scenarios where users can access data and services with an unprecedented convenience, just relying on the storage and computational power offered by external providers. Also, users can enjoy a diversity and variety of offers, with the possibility of choosing services by different providers as they best suit their needs. With the growth of the market, economic factors have become one of the crucial aspects in the choice of services. However, security remains a major concern and users will be free to actually benefit from the diversity and variety of such offers only if they can also have proper security guarantees on the services. In this paper, we build upon a recent proposal for assessing integrity of computations performed by potentially untrusted providers introducing some optimizations, thus limiting the overhead to be paid for integrity guarantees, and making it suitable to more scenarios.

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Copyright information

© IFIP International Federation for Information Processing 2014

Authors and Affiliations

  • Sabrina De Capitani di Vimercati
    • 1
  • Sara Foresti
    • 1
  • Sushil Jajodia
    • 2
  • Stefano Paraboschi
    • 3
  • Pierangela Samarati
    • 1
  1. 1.Università degli Studi di MilanoCremaItaly
  2. 2.George Mason UniversityFairfaxUSA
  3. 3.Università di BergamoDalmineItaly

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