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Paper Abstract and Keywords
Presentation 2009-11-12 14:20
A Proposal of Efficient Attribute-Based Group Signature Schemes Using Pairings
Hiroki Fujii, Toru Nakanishi, Nobuo Funabiki (Okayama Univ.) ISEC2009-53 LOIS2009-42
Abstract (in Japanese) (See Japanese page) 
(in English) Group signature scheme is the digital signature scheme enhancing the privacy of the user,and efficient pairing-based schemes have been proposed.
Recently, some attribute-based group signature schemes are proposed, where the signer's attributes can be verified.
The attribute-group signature allows us to construct more complex groups, because it can prove the logical relation of attributes such as 'AND' and 'OR'.
However, the previouse schemes, the number of pairings and exponentiations in signing and verification depends on the number of attributes.
In this paper, we propose an efficient attribute-base group signature scheme, where the computational complexity doesn't depend on the number of attributes.
Keyword (in Japanese) (See Japanese page) 
(in English) attribute-base / group signatures / anonymity / bilinear maps / pairings / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 271, ISEC2009-53, pp. 15-22, Nov. 2009.
Paper # ISEC2009-53 
Date of Issue 2009-11-05 (ISEC, LOIS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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Conference Information
Committee ISEC LOIS  
Conference Date 2009-11-12 - 2009-11-13 
Place (in Japanese) (See Japanese page) 
Place (in English) Gifu Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ISEC 
Conference Code 2009-11-ISEC-LOIS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Proposal of Efficient Attribute-Based Group Signature Schemes Using Pairings 
Sub Title (in English)  
Keyword(1) attribute-base  
Keyword(2) group signatures  
Keyword(3) anonymity  
Keyword(4) bilinear maps  
Keyword(5) pairings  
1st Author's Name Hiroki Fujii  
1st Author's Affiliation Okayama University (Okayama Univ.)
2nd Author's Name Toru Nakanishi  
2nd Author's Affiliation Okayama University (Okayama Univ.)
3rd Author's Name Nobuo Funabiki  
3rd Author's Affiliation Okayama University (Okayama Univ.)
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Speaker Author-1 
Date Time 2009-11-12 14:20:00 
Presentation Time 25 minutes 
Registration for ISEC 
Paper # ISEC2009-53, LOIS2009-42 
Volume (vol) vol.109 
Number (no) no.271(ISEC), no.272(LOIS) 
Page pp.15-22 
Date of Issue 2009-11-05 (ISEC, LOIS) 

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