NDLI: PIDGIN: privacy-preserving interest and content sharing in opportunistic networks

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PIDGIN: privacy-preserving interest and content sharing in opportunistic networks

Content Provider	ACM Digital Library
Author	Asghar, Muhammad Rizwan Gehani, Ashish Crispo, Bruno Russello, Giovanni
Abstract	Opportunistic networks have recently received considerable attention from both industry and researchers. These networks can be used for many applications without the need for a dedicated IT infrastructure. In the context of opportunistic networks, content sharing in particular has attracted significant attention. To support content sharing, opportunistic networks often implement a publish-subscribe system in which users may publish their own content and indicate interest in other content through subscriptions. Using a smartphone, any user can act as a broker by opportunistically forwarding both published content and interests within the network. Unfortunately, opportunistic networks are faced with serious privacy and security issues. Untrusted brokers can not only compromise the privacy of subscribers by learning their interests but also can gain unauthorised access to the disseminated content. This paper addresses the research challenges inherent to the exchange of content and interests without: (i) compromising the privacy of subscribers, and (ii) providing unauthorised access to untrusted brokers. Specifically, this paper presents an interest and content sharing solution that addresses these security challenges and preserves privacy in opportunistic networks. We demonstrate the feasibility and efficiency of the solution by implementing a prototype and analysing its performance on smart phones.
Starting Page	135
Ending Page	146
Page Count	12
File Format	PDF
ISBN	9781450328005
DOI	10.1145/2590296.2590303
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2014-06-04
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Secure haggle Privacy-preserving content sharing Encrypted cp-abe policies Secure opportunistic networks Sensitive policy enforcement
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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