Paper Abstract and Keywords |
Presentation |
2013-03-08 16:00
Efficient Strictly CCA-Secure Proxy Re-Encryption Scheme Shota Kanno, Kaoru Kurosawa (Ibaraki Univ.), Goichiro Hanaoka, Takahiro Matsuda (AIST) IT2012-107 ISEC2012-125 WBS2012-93 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
In proxy re-encryption (PRE) schemes, the proxy re-encrypts a ciphertext $C$ for Alice into $C'$ which Bob can decrypt. Recently, Hanaoka et al. constructed the first strictly CCA-secure unidirectional PRE scheme (in the standard model). However, their scheme is inefficient because the transformed ciphertext is an encryption of many components. In this paper, we show a more efficient strictly CCA-secure unidirectional PRE scheme in the random oracle model, where the security is proved under the DBDHI assumption. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
proxy re-encryption / CCA-secure / efficient / / / / / |
Reference Info. |
IEICE Tech. Rep., vol. 112, no. 461, ISEC2012-125, pp. 285-291, March 2013. |
Paper # |
ISEC2012-125 |
Date of Issue |
2013-02-28 (IT, ISEC, WBS) |
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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IT2012-107 ISEC2012-125 WBS2012-93 |
Conference Information |
Committee |
IT ISEC WBS |
Conference Date |
2013-03-07 - 2013-03-08 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Kwansei Gakuin Univ., Osaka-Umeda Campus |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
joint meeting of IT, ISEC, and WBS |
Paper Information |
Registration To |
ISEC |
Conference Code |
2013-03-IT-ISEC-WBS |
Language |
English |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Efficient Strictly CCA-Secure Proxy Re-Encryption Scheme |
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proxy re-encryption |
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CCA-secure |
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efficient |
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1st Author's Name |
Shota Kanno |
1st Author's Affiliation |
Ibaraki University (Ibaraki Univ.) |
2nd Author's Name |
Kaoru Kurosawa |
2nd Author's Affiliation |
Ibaraki University (Ibaraki Univ.) |
3rd Author's Name |
Goichiro Hanaoka |
3rd Author's Affiliation |
The National Institute of Advanced Industrial Science and Technology (AIST) |
4th Author's Name |
Takahiro Matsuda |
4th Author's Affiliation |
The National Institute of Advanced Industrial Science and Technology (AIST) |
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Speaker |
Author-1 |
Date Time |
2013-03-08 16:00:00 |
Presentation Time |
25 minutes |
Registration for |
ISEC |
Paper # |
IT2012-107, ISEC2012-125, WBS2012-93 |
Volume (vol) |
vol.112 |
Number (no) |
no.460(IT), no.461(ISEC), no.462(WBS) |
Page |
pp.285-291 |
#Pages |
7 |
Date of Issue |
2013-02-28 (IT, ISEC, WBS) |
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