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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Bernardini, Cesar
dc.contributor.author Marchal, Samuel
dc.contributor.author Asghar, Muhammad Rizwan
dc.contributor.author Crispo, Bruno
dc.date.accessioned 2019-09-03T13:45:32Z
dc.date.available 2019-09-03T13:45:32Z
dc.date.issued 2019-02-11
dc.identifier.citation Bernardini , C , Marchal , S , Asghar , M R & Crispo , B 2019 , ' PrivICN : Privacy-preserving content retrieval in information-centric networking ' , Computer Networks , vol. 149 , pp. 13-28 . https://doi.org/10.1016/j.comnet.2018.11.012 en
dc.identifier.issn 1389-1286
dc.identifier.issn 1872-7069
dc.identifier.other PURE UUID: 6328f37e-2a7f-4713-8859-7c22d9d3083e
dc.identifier.other PURE ITEMURL: https://research.aalto.fi/en/publications/6328f37e-2a7f-4713-8859-7c22d9d3083e
dc.identifier.other PURE LINK: http://www.scopus.com/inward/record.url?scp=85056885729&partnerID=8YFLogxK
dc.identifier.other PURE LINK: http://www.sciencedirect.com/science/article/pii/S1389128618312179
dc.identifier.other PURE FILEURL: https://research.aalto.fi/files/36399108/PrivICN_postprint.pdf
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/40058
dc.description.abstract Information-Centric Networking (ICN) has emerged as a paradigm to cope with the increasing demand for content delivery on the Internet. In contrast to the Internet Protocol (IP), the underlying architecture of ICN enables users to request contents based on their name rather than their hosting location (IP address). On the one hand, this preserves users’ anonymity since packet routing does not require source and destination addresses of the communication parties. On the other hand, semantically-rich names reveal information about users’ interests, which poses serious threats to their privacy. A curious ICN node can monitor the traffic to profile users’ or censor specific contents for instance. In this paper, we present PrivICN: a system that enhances users privacy in ICN by protecting the confidentiality of content names and content data. PrivICN relies on a proxy encryption scheme and has several features that distinguish it from existing solutions: it preserves full in-network caching benefits, it does not require end-to-end communication between consumers and providers and it provides flexible user management (addition/removal of users). We evaluate PrivICN in a real ICN network (CCNx implementation) showing that it introduces an acceptable overhead and little delay. PrivICN is publicly available as an open-source library. en
dc.format.extent 16
dc.format.extent 13-28
dc.format.mimetype application/pdf
dc.language.iso en en
dc.publisher Elsevier
dc.relation.ispartofseries Computer Networks en
dc.relation.ispartofseries Volume 149 en
dc.rights openAccess en
dc.title PrivICN en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department Barracuda Networks
dc.contributor.department Adj. Prof Asokan N. group
dc.contributor.department University of Auckland
dc.contributor.department University of Trento
dc.contributor.department Department of Computer Science en
dc.subject.keyword ICN
dc.subject.keyword Information-centric networking
dc.subject.keyword Content names
dc.subject.keyword Privacy
dc.subject.keyword Confidentiality
dc.subject.keyword Proxy encryption
dc.identifier.urn URN:NBN:fi:aalto-201909035100
dc.identifier.doi 10.1016/j.comnet.2018.11.012
dc.date.embargo info:eu-repo/date/embargoEnd/2020-11-22

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