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Paper Abstract and Keywords
Presentation 2026-03-03 16:00
Post-Quantum Dynamic Universal Accumulator with Proof Compression
Toshiyuki Mineta, Atsuko Miyaji (UOsaka) ICSS2025-109
Abstract (in Japanese) (See Japanese page) 
(in English) The secure and efficient management of rapidly growing digital data is a critical challenge. Cryptographic accumulators have garnered attention as a promising solution to this issue. They allow large datasets to be compressed into a short value, enabling efficient verification of set membership. For accumulators that support element deletion, the ability to provide non-membership proofs is particularly essential. However, no existing quantum-resistant accumulator currently achieves logarithmic time complexity for insertion, deletion, and non-membership proofs simultaneously. In this paper, we present a scheme that supports non-membership proofs, with security reducible to the Short Integer Solution (SIS) problem. Furthermore, we propose a technique to compress the size of the proofs.
Keyword (in Japanese) (See Japanese page) 
(in English) Accumulator / Non-Membership Prood / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 381, ICSS2025-109, pp. 170-176, March 2026.
Paper # ICSS2025-109 
Date of Issue 2026-02-24 (ICSS) 
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 ICSS2025-109

Conference Information
Committee ICSS IPSJ-SPT  
Conference Date 2026-03-03 - 2026-03-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Prefectural Museum & Art Museum 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Security, Trust, etc. 
Paper Information
Registration To ICSS 
Conference Code 2026-03-ICSS-SPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Post-Quantum Dynamic Universal Accumulator with Proof Compression 
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Keyword(1) Accumulator  
Keyword(2) Non-Membership Prood  
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1st Author's Name Toshiyuki Mineta  
1st Author's Affiliation The University of Osaka (UOsaka)
2nd Author's Name Atsuko Miyaji  
2nd Author's Affiliation The University of Osaka (UOsaka)
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Speaker Author-1 
Date Time 2026-03-03 16:00:00 
Presentation Time 20 minutes 
Registration for ICSS 
Paper # ICSS2025-109 
Volume (vol) vol.125 
Number (no) no.381 
Page pp.170-176 
#Pages 7 
Date of Issue 2026-02-24 (ICSS) 

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