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Paper Abstract and Keywords
Presentation 2023-07-25 11:00
An Approach to Authorization Protocol Using PUF-based Access Token
Risa Yashiro, Kohei Isobe, Hiroki Kunii (SECOM) ISEC2023-41 SITE2023-35 BioX2023-44 HWS2023-41 ICSS2023-38 EMM2023-41
Abstract (in Japanese) (See Japanese page) 
(in English) OAuth is one of the protocols that enable to authorize resource access for a client through API. The authorization by OAuth is accomplished by issuing access token to the client with approval from the user. By using access token, the client can share the user’s information between applications without exchanging the authentication information of the user. In OAuth, it is assumed that access token would be stored on high security platforms such as smartphones and computers. On the other hand, however, it has been hardly considered about how to deal with access token on the platform with limited resources like IoT devices. Therefore, its implementation is client-dependent and could be vulnerable against the threat that access tokens could be stolen by the device analysis.
In this paper, we made a consideration about using OAuth in combination with Physically Unclonable Function (PUF) as the authorization protocol for IoT devices. The client can share the secret information like access token with an authorization server without holding the information while minimizing the operation cost of the server in this protocol. The protocol enables to accomplish secure authorization against the threats that the secret information could be stolen from the clients.
Keyword (in Japanese) (See Japanese page) 
(in English) Access Token / OAuth / Physically Unclonable Function / / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 132, HWS2023-41, pp. 176-181, July 2023.
Paper # HWS2023-41 
Date of Issue 2023-07-17 (ISEC, SITE, BioX, HWS, ICSS, EMM) 
ISSN Online edition: ISSN 2432-6380
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 ISEC2023-41 SITE2023-35 BioX2023-44 HWS2023-41 ICSS2023-38 EMM2023-41

Conference Information
Conference Date 2023-07-24 - 2023-07-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Jichiro Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To HWS 
Conference Code 2023-07-EMM-BioX-ISEC-SITE-ICSS-HWS-CSEC-SPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Approach to Authorization Protocol Using PUF-based Access Token 
Sub Title (in English)  
Keyword(1) Access Token  
Keyword(2) OAuth  
Keyword(3) Physically Unclonable Function  
1st Author's Name Risa Yashiro  
1st Author's Affiliation SECOM Co., Ltd. (SECOM)
2nd Author's Name Kohei Isobe  
2nd Author's Affiliation SECOM Co., Ltd. (SECOM)
3rd Author's Name Hiroki Kunii  
3rd Author's Affiliation SECOM Co., Ltd. (SECOM)
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Speaker Author-1 
Date Time 2023-07-25 11:00:00 
Presentation Time 20 minutes 
Registration for HWS 
Paper # ISEC2023-41, SITE2023-35, BioX2023-44, HWS2023-41, ICSS2023-38, EMM2023-41 
Volume (vol) vol.123 
Number (no) no.129(ISEC), no.130(SITE), no.131(BioX), no.132(HWS), no.133(ICSS), no.134(EMM) 
Page pp.176-181 
Date of Issue 2023-07-17 (ISEC, SITE, BioX, HWS, ICSS, EMM) 

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