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Paper Abstract and Keywords
Presentation 2008-09-12 15:45
Security Analysis on Electronic Money Systems including Compromise of Cryptographic Algorithms and/or Devices
Masataka Suzuki, Katsuhisa Hirokawa (BOJ) ISEC2008-69
Abstract (in Japanese) (See Japanese page) 
(in English) This paper mainly focuses on note-based types of prepaid electronic money systems. Assuming compromise of cryptographic algorithms and/or devices used in such electronic money systems, we evaluate the security against forgery of payment data and discuss operational countermeasures against such a forgery attack. As the results, we clarify that the note-based systems are more secure than the balance-based ones against the attack if the features of the systems, e.g. online/offline and open/closed-loop, are the same in these systems. We also find that the condition of payment data verification, i.e. online/offline, has a significant impact on the successfulness of the forgery attack. Moreover we discuss the limitation of effects of the operational countermeasures in the note-based systems under the assumption that the cryptographic algorithms and/or devices are compromised.
Keyword (in Japanese) (See Japanese page) 
(in English) electronic money / security evaluation / risk management / cryptographic algorithm / smart card / compromise / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 207, ISEC2008-69, pp. 39-46, Sept. 2008.
Paper # ISEC2008-69 
Date of Issue 2008-09-05 (ISEC) 
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 ISEC  
Conference Date 2008-09-12 - 2008-09-12 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ISEC 
Conference Code 2008-09-ISEC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Security Analysis on Electronic Money Systems including Compromise of Cryptographic Algorithms and/or Devices 
Sub Title (in English)  
Keyword(1) electronic money  
Keyword(2) security evaluation  
Keyword(3) risk management  
Keyword(4) cryptographic algorithm  
Keyword(5) smart card  
Keyword(6) compromise  
Keyword(7)  
Keyword(8)  
1st Author's Name Masataka Suzuki  
1st Author's Affiliation Bank of Japan (BOJ)
2nd Author's Name Katsuhisa Hirokawa  
2nd Author's Affiliation Bank of Japan (BOJ)
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Speaker Author-1 
Date Time 2008-09-12 15:45:00 
Presentation Time 25 minutes 
Registration for ISEC 
Paper # ISEC2008-69 
Volume (vol) vol.108 
Number (no) no.207 
Page pp.39-46 
#Pages 8 
Date of Issue 2008-09-05 (ISEC) 

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