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Paper Abstract and Keywords
Presentation 2016-03-11 10:25
Expressive Attribute-Based Encryption with Fast Decryption
Tsuchida Hikaru, Kanayama Naoki, Nishide Takashi, Okamoto Eiji (Univ. of Tsukuba) IT2015-132 ISEC2015-91 WBS2015-115
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, cloud computing has property of cost savings and flexibility, but it does not seem to supply security. Attribute-Based Encryption (ABE) is considered as one of the best method for access control of data which is stored in the cloud storage. However, an ABE system has the disadvantage of taking time to decrypt. It results from a heavy calculation of pairing function. Accordingly, the ABE system which reduces the number of pairing calculation is required. In this paper, we propose a new ABE scheme supporting general predicates (non-monotone access structures with inner-product relations) with constant times of pairing calculation for decryption.
Keyword (in Japanese) (See Japanese page) 
(in English) Public Key Encryption / Attribute-Based Encryption / Functional Encryption / Access Control / Fast Decryption / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 501, ISEC2015-91, pp. 189-195, March 2016.
Paper # ISEC2015-91 
Date of Issue 2016-03-03 (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)
Download PDF IT2015-132 ISEC2015-91 WBS2015-115

Conference Information
Committee IT ISEC WBS  
Conference Date 2016-03-10 - 2016-03-11 
Place (in Japanese) (See Japanese page) 
Place (in English) The University of Electro-Communications 
Topics (in Japanese) (See Japanese page) 
Topics (in English) joint meeting of IT, ISEC, and WBS 
Paper Information
Registration To ISEC 
Conference Code 2016-03-IT-ISEC-WBS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Expressive Attribute-Based Encryption with Fast Decryption 
Sub Title (in English)  
Keyword(1) Public Key Encryption  
Keyword(2) Attribute-Based Encryption  
Keyword(3) Functional Encryption  
Keyword(4) Access Control  
Keyword(5) Fast Decryption  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Tsuchida Hikaru  
1st Author's Affiliation University of Tsukuba (Univ. of Tsukuba)
2nd Author's Name Kanayama Naoki  
2nd Author's Affiliation University of Tsukuba (Univ. of Tsukuba)
3rd Author's Name Nishide Takashi  
3rd Author's Affiliation University of Tsukuba (Univ. of Tsukuba)
4th Author's Name Okamoto Eiji  
4th Author's Affiliation University of Tsukuba (Univ. of Tsukuba)
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Speaker Author-1 
Date Time 2016-03-11 10:25:00 
Presentation Time 25 minutes 
Registration for ISEC 
Paper # IT2015-132, ISEC2015-91, WBS2015-115 
Volume (vol) vol.115 
Number (no) no.500(IT), no.501(ISEC), no.502(WBS) 
Page pp.189-195 
#Pages 7 
Date of Issue 2016-03-03 (IT, ISEC, WBS) 

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