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| Paper Abstract and Keywords | ||
| Presentation | 2023-07-24 14:40 Hierarchical Identity-based Matchmaking Encryption Sohto Chiku (YNU), Keisuke Hara (AIST/YNU), Junji Shikata (YNU)  ISEC2023-23 SITE2023-17 BioX2023-26 HWS2023-23 ICSS2023-20 EMM2023-23 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Identity-based matchmaking encryption (IB-ME) is an advanced encryption system that enables a sender and a receiver to specify each of identity. However, identity-based matchmaking encryption (IB-ME) requires an authority called a key generation center (KGC) to generate keys for all users, which is computationally expensive. In this paper, we propose hierarchical identity-based matchmaking encryption (HIB-ME) that can reduce the burden of the (single) KGC, such as key generation for all users. Specifically, we define the notion and its required security of HIB-ME and give its generic construction. Furthermore, we show how to upgrade a chosen plaintext secure HIB-ME scheme into a chosen ciphertext secure one. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Hierarchical identity-based matchmaking encryption / Generic construction / Chosen ciphertext attack / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 123, no. 129, ISEC2023-23, pp. 60-67, July 2023. | |
| Paper # | ISEC2023-23 | |
| Date of Issue | 2023-07-17 (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 | ISEC2023-23 SITE2023-17 BioX2023-26 HWS2023-23 ICSS2023-20 EMM2023-23 |
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| Conference Information | |
| Committee | EMM BioX ISEC SITE ICSS HWS IPSJ-CSEC IPSJ-SPT |
| Conference Date | 2023-07-24 - 2023-07-25 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hokkaido Jichiro Kaikan |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | ISEC |
| Conference Code | 2023-07-EMM-BioX-ISEC-SITE-ICSS-HWS-CSEC-SPT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Hierarchical Identity-based Matchmaking Encryption |
| Sub Title (in English) | |
| Keyword(1) | Hierarchical identity-based matchmaking encryption |
| Keyword(2) | Generic construction |
| Keyword(3) | Chosen ciphertext attack |
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| 1st Author's Name | Sohto Chiku |
| 1st Author's Affiliation | Yokohama National University (YNU) |
| 2nd Author's Name | Keisuke Hara |
| 2nd Author's Affiliation | National Institute of Advanced Industrial Science and Technology/Yokohama National University (AIST/YNU) |
| 3rd Author's Name | Junji Shikata |
| 3rd Author's Affiliation | Yokohama National University (YNU) |
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| Speaker | Author-1 |
| Date Time | 2023-07-24 14:40:00 |
| Presentation Time | 20 minutes |
| Registration for | ISEC |
| Paper # | ISEC2023-23, SITE2023-17, BioX2023-26, HWS2023-23, ICSS2023-20, EMM2023-23 |
| Volume (vol) | vol.123 |
| Number (no) | no.129(ISEC), no.130(SITE), no.131(BioX), no.132(HWS), no.133(ICSS), no.134(EMM) |
| Page | pp.60-67 |
| #Pages | 8 |
| Date of Issue | 2023-07-17 (ISEC, SITE, BioX, HWS, ICSS, EMM) |
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