Paper Abstract and Keywords |
Presentation |
2018-07-25 10:20
Construction of Revocable HIBE with Adaptive Security Atsushi Takayasu (Univ. Tokyo) ISEC2018-14 SITE2018-6 HWS2018-11 ICSS2018-17 EMM2018-13 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
Revocable hierarchical identity-based encryption (RHIBE) is an extension of IBE with a key revocation mechanism and a key delegation functionality. The additional properties resolve practical issue of IBE to manage a large number of users dynamically and efficiently. Unfortunately, existing pairing-based RHIBE schemes have two main drawbacks, i.e., the schemes are secure only in the {em selective}-identity model based on {em $q$-type assumptions}. The drawbacks are equivalent to the hardness to prove the security through dual system encryption methodology. In this paper, we propose the first desirable scheme by modifying Chen-Wee's HIBE scheme. The scheme is adaptively secure under the standard $d$-linear assumption in prime-order bilinear groups. During the security proof, we carefully design hybrid games to apply the dual system encryption methodology. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
revocable hierarchical identity-based encryption / dual sytem encryption / adaptive security / / / / / |
Reference Info. |
IEICE Tech. Rep., vol. 118, no. 151, ISEC2018-14, pp. 9-16, July 2018. |
Paper # |
ISEC2018-14 |
Date of Issue |
2018-07-18 (ISEC, SITE, HWS, ICSS, EMM) |
ISSN |
Print edition: ISSN 0913-5685 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) |
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ISEC2018-14 SITE2018-6 HWS2018-11 ICSS2018-17 EMM2018-13 |
Conference Information |
Committee |
HWS ISEC SITE ICSS EMM IPSJ-CSEC IPSJ-SPT |
Conference Date |
2018-07-25 - 2018-07-26 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Sapporo Convention Center |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
Security, etc. |
Paper Information |
Registration To |
ISEC |
Conference Code |
2018-07-HWS-ISEC-SITE-ICSS-EMM-CSEC-SPT |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Construction of Revocable HIBE with Adaptive Security |
Sub Title (in English) |
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Keyword(1) |
revocable hierarchical identity-based encryption |
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dual sytem encryption |
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adaptive security |
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1st Author's Name |
Atsushi Takayasu |
1st Author's Affiliation |
University of Tokyo (Univ. Tokyo) |
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Speaker |
Author-1 |
Date Time |
2018-07-25 10:20:00 |
Presentation Time |
25 minutes |
Registration for |
ISEC |
Paper # |
ISEC2018-14, SITE2018-6, HWS2018-11, ICSS2018-17, EMM2018-13 |
Volume (vol) |
vol.118 |
Number (no) |
no.151(ISEC), no.152(SITE), no.153(HWS), no.154(ICSS), no.155(EMM) |
Page |
pp.9-16 |
#Pages |
8 |
Date of Issue |
2018-07-18 (ISEC, SITE, HWS, ICSS, EMM) |
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