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Paper Abstract and Keywords
Presentation 2026-07-14 15:40
Improvement of Identity-Based Encryption based on the Middle-Product LWE Assumption
Seiryu Kawano, Takumi Nishimura, Atsushi Takayasu (Tokyo Univ.) ISEC2026-47 SITE2026-43 BioX2026-70 HWS2026-43 ICSS2026-62 EMM2026-54
Abstract (in Japanese) (See Japanese page) 
(in English) (Available after conference date)
Keyword (in Japanese) (See Japanese page) 
(in English) Identity-based Encryption / Middle-Product LWE Assumption / Quantum Random Oracle Model / Approximate Trapdoor / / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 107, ISEC2026-47, pp. 232-239, July 2026.
Paper # ISEC2026-47 
Date of Issue 2026-07-06 (ISEC, SITE, BioX, HWS, ICSS, EMM) 
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 ISEC2026-47 SITE2026-43 BioX2026-70 HWS2026-43 ICSS2026-62 EMM2026-54

Conference Information
Committee BioX HWS ISEC SITE ICSS EMM IPSJ-CSEC IPSJ-SPT 
Conference Date 2026-07-13 - 2026-07-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Sapporo Convention Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ISEC 
Conference Code 2026-07-BioX-HWS-ISEC-SITE-ICSS-EMM-CSEC-SPT-SEC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improvement of Identity-Based Encryption based on the Middle-Product LWE Assumption 
Sub Title (in English)  
Keyword(1) Identity-based Encryption  
Keyword(2) Middle-Product LWE Assumption  
Keyword(3) Quantum Random Oracle Model  
Keyword(4) Approximate Trapdoor  
Keyword(5)  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Seiryu Kawano  
1st Author's Affiliation The University of Tokyo (Tokyo Univ.)
2nd Author's Name Takumi Nishimura  
2nd Author's Affiliation The University of Tokyo (Tokyo Univ.)
3rd Author's Name Atsushi Takayasu  
3rd Author's Affiliation The University of Tokyo (Tokyo Univ.)
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Speaker Author-1 
Date Time 2026-07-14 15:40:00 
Presentation Time 25 minutes 
Registration for ISEC 
Paper # ISEC2026-47, SITE2026-43, BioX2026-70, HWS2026-43, ICSS2026-62, EMM2026-54 
Volume (vol) vol.126 
Number (no) no.107(ISEC), no.108(SITE), no.109(BioX), no.110(HWS), no.111(ICSS), no.112(EMM) 
Page pp.232-239 
#Pages 8 
Date of Issue 2026-07-06 (ISEC, SITE, BioX, HWS, ICSS, EMM) 

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