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| Presentation | 2022-07-20 15:50 Revocable Identity-Based Encryption With Multiple Private-Key Generators secure against Chosen Ciphertext Attacks and Decryption Key Exposure Yudai Suzuki, Atsushi Fujioka, Taroh Sasaki (Kanagawa Univ.), Akira Nagai (NTT)  ISEC2022-27 SITE2022-31 BioX2022-52 HWS2022-27 ICSS2022-35 EMM2022-35 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This study gives new security definitions for revocable identity-based encryption with multiple private-key generators (mPKG-RIBE). We formulated mPKG-RIBE and defined IND-CPA security for mPKG-RIBE at SCIS2022. In this paper, we define IND-CCA security, secure than IND-CPA security, and prove that an IND-CCA secure mPKG-RIBE scheme exists using an IND-CCA secure RIBE scheme. We consider decryption key exposure resistance, also. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Revocability / Identity-Based Encryption / Selective Security / Adaptive Security / Security against Chosen Ciphertext Attacks / Decryption Key Exposure Resistance / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 122, ISEC2022-27, pp. 118-123, July 2022. | |
| Paper # | ISEC2022-27 | |
| Date of Issue | 2022-07-12 (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 | ISEC2022-27 SITE2022-31 BioX2022-52 HWS2022-27 ICSS2022-35 EMM2022-35 |
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| Conference Information | |
| Committee | EMM BioX ISEC SITE ICSS HWS IPSJ-CSEC IPSJ-SPT |
| Conference Date | 2022-07-19 - 2022-07-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | ISEC |
| Conference Code | 2022-07-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) | Revocable Identity-Based Encryption With Multiple Private-Key Generators secure against Chosen Ciphertext Attacks and Decryption Key Exposure |
| Sub Title (in English) | |
| Keyword(1) | Revocability |
| Keyword(2) | Identity-Based Encryption |
| Keyword(3) | Selective Security |
| Keyword(4) | Adaptive Security |
| Keyword(5) | Security against Chosen Ciphertext Attacks |
| Keyword(6) | Decryption Key Exposure Resistance |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yudai Suzuki |
| 1st Author's Affiliation | Kanagawa University, graduate school (Kanagawa Univ.) |
| 2nd Author's Name | Atsushi Fujioka |
| 2nd Author's Affiliation | Kanagawa University (Kanagawa Univ.) |
| 3rd Author's Name | Taroh Sasaki |
| 3rd Author's Affiliation | Kanagawa University (Kanagawa Univ.) |
| 4th Author's Name | Akira Nagai |
| 4th Author's Affiliation | NTT Social Informatics Laboratories (NTT) |
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| Speaker | Author-1 |
| Date Time | 2022-07-20 15:50:00 |
| Presentation Time | 25 minutes |
| Registration for | ISEC |
| Paper # | ISEC2022-27, SITE2022-31, BioX2022-52, HWS2022-27, ICSS2022-35, EMM2022-35 |
| Volume (vol) | vol.122 |
| Number (no) | no.122(ISEC), no.123(SITE), no.124(BioX), no.125(HWS), no.126(ICSS), no.127(EMM) |
| Page | pp.118-123 |
| #Pages | 6 |
| Date of Issue | 2022-07-12 (ISEC, SITE, BioX, HWS, ICSS, EMM) |
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