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Paper Abstract and Keywords
Presentation 2023-10-04 17:55
Access Control Method to Prevent ID Token Abuse on OpenID Connect
Junki Yuasa, Taisho Sasada, Yuzo Taenaka, Youki Kadobayashi (NAIST) NS2023-81
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, there has been a rapid increase in web services that require authentication, leading to the widespread adoption of Single Sign-On (SSO) to simplify user account management. Among these services, those utilizing the OpenID Connect protocol, the most common SSO protocol, often authenticate users through ID Token issued by ID providers. However, there's a risk that attackers can steal these ID Token from legitimate users and engage in impersonation attacks. This research introduces an access control mechanism to address this challenge. This mechanism monitors and verifies requests using ID Token at the Relying Party (RP), ensuring appropriate access control based on the verification results even after authentication. Specifically, it verifies user authenticity through the examination of signatures created using secret keys assigned during user registration, as well as by assessing the validity of the requests and sessions. Through the implementation of our proposed system, we confirmed that proper access control measures are in place even when attackers possess the genuine user's authentication credentials or ID token.
Keyword (in Japanese) (See Japanese page) 
(in English) Access Control / User Authenticity / Single Sign-On / OpenID Connect / ID Token / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 198, NS2023-81, pp. 53-58, Oct. 2023.
Paper # NS2023-81 
Date of Issue 2023-09-27 (NS) 
ISSN 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 NS2023-81

Conference Information
Committee NS  
Conference Date 2023-10-04 - 2023-10-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaidou University + Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network architecture (5G, Local 5G, Beyond5G, Mobile networks, Ad-hoc and sensor networks, Overlay and P2P networks, Programmable networks, SDN/NFV, IoT, Network slicing), Next generation packet transport (High speed Ethernet, IP over WDM, Multi-service package technology, MPLS), Grid, etc. 
Paper Information
Registration To NS 
Conference Code 2023-10-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Access Control Method to Prevent ID Token Abuse on OpenID Connect 
Sub Title (in English)  
Keyword(1) Access Control  
Keyword(2) User Authenticity  
Keyword(3) Single Sign-On  
Keyword(4) OpenID Connect  
Keyword(5) ID Token  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Junki Yuasa  
1st Author's Affiliation Nara Institute of Science and Technology (NAIST)
2nd Author's Name Taisho Sasada  
2nd Author's Affiliation Nara Institute of Science and Technology (NAIST)
3rd Author's Name Yuzo Taenaka  
3rd Author's Affiliation Nara Institute of Science and Technology (NAIST)
4th Author's Name Youki Kadobayashi  
4th Author's Affiliation Nara Institute of Science and Technology (NAIST)
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Speaker Author-1 
Date Time 2023-10-04 17:55:00 
Presentation Time 25 minutes 
Registration for NS 
Paper # NS2023-81 
Volume (vol) vol.123 
Number (no) no.198 
Page pp.53-58 
#Pages 6 
Date of Issue 2023-09-27 (NS) 

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