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Paper Abstract and Keywords
Presentation 2013-05-23 14:10
Car2Cloud Communication Enhanced by In-Vehicle Implicit Asking
Tsutomu Matsumoto, Hikotaro Suzuki, Katsunari Yoshioka (Yokohama National Univ.), Yosuke Maekawa, Hisashi Oguma (TOYOTA InfoTechnology Center) ISEC2013-4
Abstract (in Japanese) (See Japanese page) 
(in English) When implementing advanced automotive services in cooperation with external data centers, it is very important to ensure information security. If a relatively powerless electronic control unit, called “Client ECU”, on a motor vehicle should verify that a received digitally signed message was really sent from an external legitimate creator, it may be effective to utilize the technique called Implicit Asking, or Server-Aided Computation, for accelerating the process of signature verification by the computational resources offered by a relatively powerful ECU, called “Server ECU” on the same vehicle. This article describes a protocol which securely provides such a scenario and examines its expected efficiency with a simple provisional implementation for the case of elliptic curve digital signature algorithm ECDSA.
Keyword (in Japanese) (See Japanese page) 
(in English) Server-Aided Computation / C2X Communication / Digital Signature / ECDSA / ECU / Cloud Computing / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 53, ISEC2013-4, pp. 23-28, May 2013.
Paper # ISEC2013-4 
Date of Issue 2013-05-16 (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 2013-05-23 - 2013-05-23 
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 2013-05-ISEC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Car2Cloud Communication Enhanced by In-Vehicle Implicit Asking 
Sub Title (in English)  
Keyword(1) Server-Aided Computation  
Keyword(2) C2X Communication  
Keyword(3) Digital Signature  
Keyword(4) ECDSA  
Keyword(5) ECU  
Keyword(6) Cloud Computing  
Keyword(7)  
Keyword(8)  
1st Author's Name Tsutomu Matsumoto  
1st Author's Affiliation Yokohama National University (Yokohama National Univ.)
2nd Author's Name Hikotaro Suzuki  
2nd Author's Affiliation Yokohama National University (Yokohama National Univ.)
3rd Author's Name Katsunari Yoshioka  
3rd Author's Affiliation Yokohama National University (Yokohama National Univ.)
4th Author's Name Yosuke Maekawa  
4th Author's Affiliation TOYOTA InfoTechnology Center Co., Ltd. (TOYOTA InfoTechnology Center)
5th Author's Name Hisashi Oguma  
5th Author's Affiliation TOYOTA InfoTechnology Center Co., Ltd. (TOYOTA InfoTechnology Center)
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Speaker Author-2 
Date Time 2013-05-23 14:10:00 
Presentation Time 25 minutes 
Registration for ISEC 
Paper # ISEC2013-4 
Volume (vol) vol.113 
Number (no) no.53 
Page pp.23-28 
#Pages 6 
Date of Issue 2013-05-16 (ISEC) 

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