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Paper Abstract and Keywords
Presentation 2026-03-18 11:40
Security Enhancement Method for IPFS using Service Mesh
Kenji Kanai, Hidehiro Kanemitsu (Waseda Univ.), Kazutaka Egawa (Casley), Hidenori Nakazato (Waseda Univ.) CAS2025-117 CS2025-110
Abstract (in Japanese) (See Japanese page) 
(in English) With the spread of Web3, adopting the InterPlanetary File System (IPFS), a peer-to-peer storage technology, has become mainstream. However, IPFS faces a security challenge: once the identifier (Content ID (CID)) for content stored on IPFS is obtained, anyone can retrieve that content. To address this issue, this paper proposes a CID confidentiality method that leverages content encryption and service mesh. Typically, content encryption technologies are often built as separate systems, requiring application modifications for use. There are also processing time challenges associated with encryption. Therefore, our proposed method employs service-mesh technology to black-box CID handling from the application, thereby achieving CID confidentiality. Furthermore, limiting the encrypted content to metadata helps mitigate processing time overhead. Performance evaluation demonstrates that applying our method reduces content registration time by 0.2 to 0.5 times and retrieval time by 0.06 to 0.2 times compared to the baseline method.
Keyword (in Japanese) (See Japanese page) 
(in English) IPFS / Service Mesh / Distributed ledger / Web3 / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 415, CS2025-110, pp. 168-173, March 2026.
Paper # CS2025-110 
Date of Issue 2026-03-10 (CAS, CS) 
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 CAS2025-117 CS2025-110

Conference Information
Committee CAS CS  
Conference Date 2026-03-17 - 2026-03-18 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network processor, Signal processing and circuits for communications, Wireless LAN / PAN, etc. 
Paper Information
Registration To CS 
Conference Code 2026-03-CAS-CS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Security Enhancement Method for IPFS using Service Mesh 
Sub Title (in English)  
Keyword(1) IPFS  
Keyword(2) Service Mesh  
Keyword(3) Distributed ledger  
Keyword(4) Web3  
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1st Author's Name Kenji Kanai  
1st Author's Affiliation Waseda University (Waseda Univ.)
2nd Author's Name Hidehiro Kanemitsu  
2nd Author's Affiliation Waseda University (Waseda Univ.)
3rd Author's Name Kazutaka Egawa  
3rd Author's Affiliation Casley Deep Innovations, Inc (Casley)
4th Author's Name Hidenori Nakazato  
4th Author's Affiliation Waseda University (Waseda Univ.)
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Speaker Author-1 
Date Time 2026-03-18 11:40:00 
Presentation Time 20 minutes 
Registration for CS 
Paper # CAS2025-117, CS2025-110 
Volume (vol) vol.125 
Number (no) no.414(CAS), no.415(CS) 
Page pp.168-173 
#Pages 6 
Date of Issue 2026-03-10 (CAS, CS) 

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