NDLI: JigDFS: A secure distributed file system

Content Provider	IEEE Xplore Digital Library
Author	Jiang Bian Seker, R.
Copyright Year	2009
Description	Author affiliation: Computer Science, University of Arkansas at Little Rock, 72204, USA (Jiang Bian; Seker, R.)
Abstract	Ubiquitous connectivity and availability of P2P resources creates opportunities for building new services. This paper describes Jigsaw Distributed File System (JigDFS) which can be used to securely store and retrieve files on a P2P network anonymously. JigDFS is designed to provide strong encryption and a certain level of plausible deniability. Files in JigDFS are sliced into small segments using an Information Dispersal Algorithm (IDA) and distributed onto different nodes recursively to increase fault tolerance against node failures. Moreover, layered encryption is applied to each file with keys produced by a hashed-key chain algorithm, so that data (file segments) and keys reside on different hosts. In such a scheme, if an attacker compromises a host and retrieves the data, the attacker will still need the correct key to decipher the data. Furthermore, recursive IDA and layered encryption ensure users' anonymity. It is difficult for an adversary to identify who owns a file, even who has retrieved a file in JigDFS. Often, a strong adversary may have the power to monitor the network or even force a user to give up the password. Design of JigDFS provides users with plausible deniability which enhances privacy. When being questioned, a JigDFS user can simply argue that he/she is merely a relaying node, rather than the file owner. Moreover, a user, when forced, can give up a valid, however, incorrect encryption key. There is no way for an adversary to verify either correctness of a key or the identity of file owner. JigDFS is developed using platform independent Java technologies and is envisioned to utilize mobile computing elements such as PDAs and smart phones.
Starting Page	76
Ending Page	82
File Size	552589
Page Count	7
File Format	PDF
ISBN	9781424427697
DOI	10.1109/CICYBS.2009.4925093
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-03-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Availability Fault tolerance Privacy File systems Buildings Information retrieval Cryptography Personal digital assistants Relays Monitoring
Content Type	Text
Resource Type	Article

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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