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| Paper Abstract and Keywords | ||
| Presentation | 2022-07-20 16:40 Efficient Constructions of Adaptively and CCA-secure Identity-based Encryption with Equality Test from LWE Assumption in the Standard Model Kyoichi Asano (UEC/NICT), Keita Emura (NICT), Atsushi Takayasu (Univ. Tokyo)  ISEC2022-29 SITE2022-33 BioX2022-54 HWS2022-29 ICSS2022-37 EMM2022-37 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Identity-based Encryption with Equality Test (IBEET) is an extension of identity-based Encryption (IBE) that can check the plaintext equality of two distinct ciphertexts. Thus far, known lattice-baesd IBEET schemes do not purely satisfy adaptive security and CCA security, simultaneously. In this paper, we propose the first adaptive and CCA-secure lattice-based IBEET schemes. Moreover, the proposed schemes based on Yamada's scheme and Jager-Kurek-Niehues's scheme have shorter public keys than known adaptive and CPA-secure schemes. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | identity-based encryption with equality test / standard model / adaptive CCA security / LWE assumption / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 122, ISEC2022-29, pp. 131-138, July 2022. | |
| Paper # | ISEC2022-29 | |
| 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 | ISEC2022-29 SITE2022-33 BioX2022-54 HWS2022-29 ICSS2022-37 EMM2022-37 |
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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) | Efficient Constructions of Adaptively and CCA-secure Identity-based Encryption with Equality Test from LWE Assumption in the Standard Model |
| Sub Title (in English) | |
| Keyword(1) | identity-based encryption with equality test |
| Keyword(2) | standard model |
| Keyword(3) | adaptive CCA security |
| Keyword(4) | LWE assumption |
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| 1st Author's Name | Kyoichi Asano |
| 1st Author's Affiliation | The University of Electro-Communications/National Institute of Information and Communications Technology (UEC/NICT) |
| 2nd Author's Name | Keita Emura |
| 2nd Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 3rd Author's Name | Atsushi Takayasu |
| 3rd Author's Affiliation | The University of Tokyo (Univ. Tokyo) |
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| Speaker | Author-1 |
| Date Time | 2022-07-20 16:40:00 |
| Presentation Time | 25 minutes |
| Registration for | ISEC |
| Paper # | ISEC2022-29, SITE2022-33, BioX2022-54, HWS2022-29, ICSS2022-37, EMM2022-37 |
| 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.131-138 |
| #Pages | 8 |
| Date of Issue | 2022-07-12 (ISEC, SITE, BioX, HWS, ICSS, EMM) |
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