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Paper Abstract and Keywords
Presentation 2018-09-07 09:55
Proposal of Commercial Use of Social Number with Special Device
Kento Iijima, Ryuya Uda (Tokyo Univ. of Tech.) ISEC2018-52
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, the use of private numbers has been considered due to the appearance of the My Number system, but a practical system has not been constructed yet, and an accurate attribute can be obtained by presenting an identification card such as an analog My Number card or a driver's license A method of acquiring information is common. However, when presenting an analog certificate, there are many cases where attribute information beyond necessity is stated, which causes excessive leakage of attribute information and excessive transmission.
In this proposal, a random number and a hash function are used for the My Number and a third party generates a value that changes from communication to communication so that the third party can not identify the individual from the inferable value of the My Number and the value itself. Private enterprises propose a system that can confirm the authenticity of user's information to the government using that value. By using a value that varies for each communication, unlike those that are unique, such as the public key used in the certificate method, that are not easy to change, in addition to the attribute information that was sent, it is linked to the attribute information There is no information to be collected, and the risk of being collected from a plurality of information sources can be reduced. Therefore, it is possible to solve the problem of redundancy of my number and personal information leakage and excessive transmission of attribute information which is not essential in private use of My number system. In this research, we implement the verification part of our method and evaluate its usefulness based on its processing speed. From there, consider the risks to improve processing speed and possible attacks and consider measures.
Keyword (in Japanese) (See Japanese page) 
(in English) mynunber / Private use / Attribute / / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 212, ISEC2018-52, pp. 15-22, Sept. 2018.
Paper # ISEC2018-52 
Date of Issue 2018-08-31 (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)
Download PDF ISEC2018-52

Conference Information
Committee ISEC  
Conference Date 2018-09-07 - 2018-09-07 
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 2018-09-ISEC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Proposal of Commercial Use of Social Number with Special Device 
Sub Title (in English)  
Keyword(1) mynunber  
Keyword(2) Private use  
Keyword(3) Attribute  
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1st Author's Name Kento Iijima  
1st Author's Affiliation Tokyo University of Technology (Tokyo Univ. of Tech.)
2nd Author's Name Ryuya Uda  
2nd Author's Affiliation Tokyo University of Technology (Tokyo Univ. of Tech.)
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Speaker Author-1 
Date Time 2018-09-07 09:55:00 
Presentation Time 25 minutes 
Registration for ISEC 
Paper # ISEC2018-52 
Volume (vol) vol.118 
Number (no) no.212 
Page pp.15-22 
#Pages 8 
Date of Issue 2018-08-31 (ISEC) 

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