2004 kTTP

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  • Secure multiparty computation allows parties to jointly compute a function of their private inputs without revealing anything but the output. Theoretical results [2] provide a general construction of such protocols for any function. Protocols obtained in this way are, however, inefficient, and thus, practically speaking, useless when a large number of participants are involved. The contribution of this paper is to define a new privacy model -- k-privacy -- by means of an innovative, yet natural generalization of the accepted trusted third party model. This allows implementing cryptographically secure efficient primitives for real-world large-scale distributed systems. As an example for the usefulness of the proposed model, we employ k-privacy to introduce a technique for obtaining knowledge -- by way of an association-rule mining algorithm -- from large-scale Data Grids, while ensuring that the privacy is cryptographically secure.

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 AuthorvolumeDate ValuetitletypejournaltitleUrldoinoteyear
2004 kTTPBobi Gilburd
Assaf Schuster
Ran Wolff
k-TTP: A new privacy model for large-scale distributed environmentshttp://www.cs.technion.ac.il/~ranw/papers/wolff04kdd.pdf10.1145/1014052.1014120