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Paper Abstract and Keywords
Presentation 2009-07-28 13:50
An Efficient Identification and Indexing for Secure RFID with d-Left Hashing
Yasunobu Nohara (Kyushu Univ.), Sozo Inoue (Kyushu Inst. Tech.) DE2009-6
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose a secure identification scheme for RFID with efficient time and memory, and also an efficient update of pre-computed values on the server side. Although RFID ( Radio Frequency IDentification ) is becoming popular, a privacy problem still remains, where an adversary can trace users' behavior by linking identification log by legitimate/adversary readers. For this problem, a hash-chain scheme has been proposed as a secure identification for low-cost RFID tags, and its long identification time has been reduced by Avoine et al. using pre-computation on the server side. However, Avoine's scheme uses static pre-computation, and therefore pre-computed values include ones which are already used and no longer used. In this paper, we optimize a lookup of pre-computed values using d-left hashing, and provide efficient update of pre-computed values. We also show reasonable analytical result for memory and pre-computation/identification/update time.
Keyword (in Japanese) (See Japanese page) 
(in English) Unlinkability / Secure RFID / Hash Chain / d-Left Hash / Identification / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 153, DE2009-6, pp. 31-36, July 2009.
Paper # DE2009-6 
Date of Issue 2009-07-21 (DE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee DE  
Conference Date 2009-07-28 - 2009-07-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Kobe fashion mart 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Ubiquitous, sensor environments, and database system, etc. 
Paper Information
Registration To DE 
Conference Code 2009-07-DE 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Efficient Identification and Indexing for Secure RFID with d-Left Hashing 
Sub Title (in English)  
Keyword(1) Unlinkability  
Keyword(2) Secure RFID  
Keyword(3) Hash Chain  
Keyword(4) d-Left Hash  
Keyword(5) Identification  
Keyword(6)  
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1st Author's Name Yasunobu Nohara  
1st Author's Affiliation Kyushu University (Kyushu Univ.)
2nd Author's Name Sozo Inoue  
2nd Author's Affiliation Kyushu Institute of Technology (Kyushu Inst. Tech.)
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Speaker Author-1 
Date Time 2009-07-28 13:50:00 
Presentation Time 30 minutes 
Registration for DE 
Paper # DE2009-6 
Volume (vol) vol.109 
Number (no) no.153 
Page pp.31-36 
#Pages 6 
Date of Issue 2009-07-21 (DE) 

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