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Paper Abstract and Keywords
Presentation 2009-07-03 11:35
Improving Efficiency of an 'On the Fly' Identification Scheme by Perfecting Zero-Knowledgeness
Bagus Santoso (AIST), Kazuo Ohta, Kazuo Sakiyama (Univ. of Electro-Comm.), Goichiro Hanaoka (AIST) ISEC2009-30 SITE2009-22 ICSS2009-44
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we present a new methodology for constructing
an efficient identification scheme, and based on it,
we propose a lightweight identification scheme whose
computational and storage costs are sufficiently low
for even cheap devices such as RFID tags.
More specifically, we point out that the
efficiency of an identification scheme satisfying
statistical zero-knowledgeness can be significantly
improved by enhancing its zero-knowledgeness
to perfect zero-knowledge, and apply this technique to the
Girault-Poupard-Stern (GPS) scheme which has been
standardized by ISO/IEC. Using standard recommended
parameters, in the resulting scheme,
the computational cost is as low as GPS,
i.e., it is estimated only differs 0.8 ms on
a CMOS technology with 100 kHz clock rate,
and compared to GPS, both the communication
cost and storage cost are approximately 28% reduced,
i.e., prover's response is shortened from 276 bits to 196 bits
(80 bits reduced) and for application with coupons,
memory for 20 coupons is reduced from 8700 bits to 7120 bits
(1580 bits reduced).
Keyword (in Japanese) (See Japanese page) 
(in English) identification scheme / RFID / zero knowledge / impersonation / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 113, ISEC2009-30, pp. 161-168, July 2009.
Paper # ISEC2009-30 
Date of Issue 2009-06-25 (ISEC, SITE, ICSS) 
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)
Download PDF ISEC2009-30 SITE2009-22 ICSS2009-44

Conference Information
Committee ISEC IPSJ-CSEC SITE ICSS  
Conference Date 2009-07-02 - 2009-07-03 
Place (in Japanese) (See Japanese page) 
Place (in English) Akita University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ISEC 
Conference Code 2009-07-ISEC-CSEC-SITE-ICSS 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improving Efficiency of an 'On the Fly' Identification Scheme by Perfecting Zero-Knowledgeness 
Sub Title (in English)  
Keyword(1) identification scheme  
Keyword(2) RFID  
Keyword(3) zero knowledge  
Keyword(4) impersonation  
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Keyword(6)  
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1st Author's Name Bagus Santoso  
1st Author's Affiliation Advanced Industrial Science and Technology (AIST)
2nd Author's Name Kazuo Ohta  
2nd Author's Affiliation The University of Electro-Communications (Univ. of Electro-Comm.)
3rd Author's Name Kazuo Sakiyama  
3rd Author's Affiliation The University of Electro-Communications (Univ. of Electro-Comm.)
4th Author's Name Goichiro Hanaoka  
4th Author's Affiliation Advanced Industrial Science and Technology (AIST)
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Speaker Author-1 
Date Time 2009-07-03 11:35:00 
Presentation Time 25 minutes 
Registration for ISEC 
Paper # ISEC2009-30, SITE2009-22, ICSS2009-44 
Volume (vol) vol.109 
Number (no) no.113(ISEC), no.114(SITE), no.115(ICSS) 
Page pp.161-168 
#Pages 8 
Date of Issue 2009-06-25 (ISEC, SITE, ICSS) 

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