NDLI: Rendezvous tunnel for anonymous publishing

Content Provider	Springer Nature Link
Author	Hermoni, Ofer Gilboa, Niv Felstaine, Eyal Dolev, Shlomi
Copyright Year	2014
Abstract	Anonymous communication, and anonymous Peer-to-Peer (P2P) file sharing systems in particular, have received considerable attention in recent years. In a P2P file sharing system there are three types of participants: publishers, who insert content into the system, servers, which store content, and readers, who retrieve the content from the servers. Existing anonymity P2P file sharing systems confer partial anonymity; they provide anonymity to participant pairs, such as servers and readers or publishers and readers, but do not consider the anonymity of all three types of participants together. In this work we propose two solutions for anonymous P2P file sharing systems, both of which provide anonymity to all three types of participants. The proposed solutions are based on indexing by global hash functions (rather than an index server), dispersal of information, and three anonymity tunnels – publishing tunnel, reading tunnel, and serving tunnel. Each anonymity tunnel is designed to protect the anonymity of a different user (publisher, reader or server respectively). In both solutions the publishing and reading tunnels are sender anonymity tunnels, where the serving tunnel is different in each solution. In the first solution, the serving tunnel is a rendezvous tunnel, constructed by means of a random walk and terminating at the server. In the second solution, which is based on Tor, the serving tunnel is built using Tor’s hidden services. The first solution preserves anonymity in the presence of a semi-honest adversary that controls a limited number of nodes in the system. The second solution is based on Tor primitives and copes with the same adversary as that assumed in Tor. The second solution also enhances Tor, ensuring publisher, reader, and server anonymity.
Starting Page	352
Ending Page	366
Page Count	15
File Format	PDF
ISSN	19366442
Journal	Peer-to-Peer Networking and Applications
Volume Number	8
Issue Number	3
e-ISSN	19366450
Language	English
Publisher	Springer US
Publisher Date	2014-03-23
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Anonymity Publisher anonymity Anonymity in peer-to-peer file sharing Communications Engineering, Networks Information Systems and Communication Service Computer Communication Networks Signal, Image and Speech Processing
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Software

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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