NDLI: Design of PriServ, a privacy service for DHTs

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Design of PriServ, a privacy service for DHTs

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Design of PriServ, a privacy service for DHTs

Content Provider	ACM Digital Library
Author	Alvarado, Patricia Serrano Jawad, Mohamed Valduriez, Patrick
Abstract	By decentralizing control, P2P systems provide efficient, scalable data sharing. However, when sharing data for different purposes (e.g., billing, purchase, shipping, etc.), data privacy can be easily violated by untrustworthy peers wich may use data for other purposes (e.g., marketing, fraudulence, profiling, etc.). A basic principle of data privacy is purpose specification which states that data providers should be able to specify the purpose for which their data will be collected and used. In the context of P2P systems, decentralized control makes it hard to enforce purpose-based privacy. And the major problem of data disclosure is not addressed. Hippocratic databases provide mechanisms for enforcing purpose-based disclosure control within a corporation datastore. In this paper, we apply the Hippocratic database principles to P2P systems to enforce purpose-based privacy. We focus on Distributed Hash Tables (DHTs), because they provide strong guarantees in terms of access performance. We propose PriServ, a privacy service which prevents privacy violation by prohibiting malicious data access. The performance evaluation of our approach through simulation shows that the overhead introduced by PriServ is small.
Starting Page	21
Ending Page	25
Page Count	5
File Format	PDF
ISBN	9781595939654
DOI	10.1145/1379287.1379293
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2008-03-29
Publisher Place	New York
Access Restriction	Subscribed
Content Type	Text
Resource Type	Article

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