NDLI: Incremental hash tree for disk authentication

Content Provider	IEEE Xplore Digital Library
Author	Fangyong Hou Hongjun He Nong Xiao Fang Liu Guangjun Zhong
Copyright Year	2010
Description	Author affiliation: School of Computer, National University of Defense Technology, Changsha, China (Fangyong Hou; Hongjun He; Nong Xiao; Fang Liu; Guangjun Zhong)
Abstract	Hash tree is a secure way to authenticate stored data. However, it is difficult to maintain a consistent state between the authentication result and data, which is necessary for permanent data storage of disk. Incremental node updating is proposed to solve such problem, it synchronizes data modification and authentication result with low cost. The reason is that the path from leaf node to root node of the tree can be very short, and each step on the path can be finished quickly as no sibling nodes are required. Thus, it greatly reduce additional disk I/O for authentication synchronization. Together with a low cost logging mechanism implemented by NVRAM, system can make fast recovery to still keep the required consistency after any failures. Related approach is elaborated, as well as testing results. Theoretical analysis and experimental simulations show that it is a practical and available way for mass data storage authentication.
Starting Page	213
Ending Page	215
File Size	203934
Page Count	3
File Format	PDF
ISBN	9781424477548
ISSN	15301346
e-ISBN	9781424477555
DOI	10.1109/ISCC.2010.5546588
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-22
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Authentication Random access memory Nonvolatile memory Encryption Synchronization incremental disk authentication tree consistency
Content Type	Text
Resource Type	Article
Subject	Signal Processing Mathematics Computer Networks and Communications Computer Science Applications Software

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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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