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Paper Abstract and Keywords
Presentation 2019-03-05 10:50
Implementing Capability-Based Access Control Using Ethereum Blockchain for the Internet of Things -- Constructing Capabilities at Action Level --
Yuta Nakamura, Zhang Yuanyu, Masahiro Sasabe, Shoji Kasahara (NAIST) NS2018-252
Abstract (in Japanese) (See Japanese page) 
(in English) As the most fundamental platform for the Society 5.0, the Internet of Things urgently requires distributed and trustworthy access control schemes to prevent unauthorized resource access. To meet this requirement, this paper proposes a Capability-Based Access Control (CapBAC) scheme by applying the emerging Ethereum blockchain technology. In this scheme, capabilities (i.e., special data structures) are stored in Ethereum smart contracts (i.e., executable codes residing in the blockchain) to maintain the allowed actions of a user (i.e., subject) on a certain resource. To provide more fine-grained access control and more flexible capability management, this scheme constructs capabilities in a one-capability-per-action manner rather than the one-capability-per-subject manner in existing CapBAC schemes. The smart contracts also provide functions to verify the ownership and validity of the capabilities. By calling these functions, resource owners can decide whether some action from a given subject should be allowed or not.
Keyword (in Japanese) (See Japanese page) 
(in English) Ethereum Blockchain / IoT / Capability-based Access Control (CapBAC) / / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 465, NS2018-252, pp. 349-354, March 2019.
Paper # NS2018-252 
Date of Issue 2019-02-25 (NS) 
ISSN Print edition: ISSN 0913-5685  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)
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Conference Information
Committee IN NS  
Conference Date 2019-03-04 - 2019-03-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Convention Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To NS 
Conference Code 2019-03-IN-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Implementing Capability-Based Access Control Using Ethereum Blockchain for the Internet of Things 
Sub Title (in English) Constructing Capabilities at Action Level 
Keyword(1) Ethereum Blockchain  
Keyword(2) IoT  
Keyword(3) Capability-based Access Control (CapBAC)  
1st Author's Name Yuta Nakamura  
1st Author's Affiliation Nara Institute of Science and Technology (NAIST)
2nd Author's Name Zhang Yuanyu  
2nd Author's Affiliation Nara Institute of Science and Technology (NAIST)
3rd Author's Name Masahiro Sasabe  
3rd Author's Affiliation Nara Institute of Science and Technology (NAIST)
4th Author's Name Shoji Kasahara  
4th Author's Affiliation Nara Institute of Science and Technology (NAIST)
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Date Time 2019-03-05 10:50:00 
Presentation Time 20 
Registration for NS 
Paper # IEICE-NS2018-252 
Volume (vol) IEICE-118 
Number (no) no.465 
Page pp.349-354 
#Pages IEICE-6 
Date of Issue IEICE-NS-2019-02-25 

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