NDLI: Building and evaluating a k-resilient mobile distributed file system resistant to device compromise

Content Provider	IEEE Xplore Digital Library
Author	Huchton, S. Xie, G. Beverly, R.
Copyright Year	2011
Description	Author affiliation: Department of Computer Science, Naval Postgraduate School, Monterey, California, USA (Huchton, S.; Xie, G.; Beverly, R.)
Abstract	Deploying mobile devices to frontline troops presents many potential benefits, e.g. situational awareness, enhanced communication capabilities, etc. However, security remains an impediment to realizing such capability. In this research, we develop and evaluate an approach to securing the non-volatile storage of a collection of mobile devices. Our technique relies on well-established cryptographic primitives, combining them in a unique way to meet military mission specific security and resiliency requirements. Specifically, we create MDFS, a distributed mobile file system using erasure coding, Shamir's threshold secret sharing, and the symmetric AES block cipher. The resulting system provides two important properties: (1) data at rest is protected even after total compromise of up to k devices, and (2) data is replicated within an infrastructureless ad hoc network and, as such, resilient to device outages. We implement MDFS on Android mobile devices and achieve ≃10Mbps throughput in real-world performance experiments, suggesting that MDFS is suitable for a variety of practical workloads.
Starting Page	1315
Ending Page	1320
File Size	639665
Page Count	6
File Format	PDF
ISBN	9781467300797
ISSN	21557578
e-ISBN	9781467300810
DOI	10.1109/MILCOM.2011.6127484
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-11-07
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Encryption Smart phones Encoding Mobile communication
Content Type	Text
Resource Type	Article

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