Designing a Secure Cloud Architecture: The SeCA Model
International Journal of Information Security and Privacy
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The growth of Internet has opened up new avenues for business and corporate model. Information sharing over In- ternet can help business houses in better cooperative strate- gic planning and growth. However despite such an impact, business houses are quite reluctant to share information be- cause of the fear of information leakage. In this paper we study and propose an elegant, simple and practical solu- tion for the problem of how can one party avail the data clustering service of another party without affecting each other's privacy. In our solution, we introduce the follow- ing two problems: (a) Secure multiparty computation of a depth of a query point. (b) Secure multiparty computation of whether a query point is a hull vertex. To the best of our knowledge this is the first time in literature that the afore- mentioned problems have been considered in privacy pre- serving framework.