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Paper Abstract and Keywords
Presentation 2014-09-05 14:45
Efficient Proofs for Monotone Formulas on Attributes Excluding Restriction in Anonymous Credential System
Shahidatul Sadiah (Okayama Univ.), Toru Nakanishi (Hiroshima Univ.), Nobuo Funabiki (Okayama Univ.) ISEC2014-50
Abstract (in Japanese) (See Japanese page) 
(in English) An anonymous credential system on attributes allows a user to convince a service provider anonymously that he/she owns the certified attributes. Previously, we proposed an anonymous credential scheme to prove the
satisfaction of a monotone formula when only one attribute is true for any OR relation. A monotone formula represents any combination of AND relations and OR relations. However, this system has a drawback that it cannot verify a user’s certificate such that two or more attributes for an OR relation are true. In this paper, we propose an extended scheme for proof of arbitrary monotone formula by adopting Linear Homomorphic (LH) signature scheme to generate a certificate that contains the minimum attribute set as required in the verification.
Keyword (in Japanese) (See Japanese page) 
(in English) Anonymity / Attributes / Authentication / Anonymous credentials / Monotone formula / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 203, ISEC2014-50, pp. 21-26, Sept. 2014.
Paper # ISEC2014-50 
Date of Issue 2014-08-29 (ISEC) 
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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Conference Information
Committee ISEC  
Conference Date 2014-09-05 - 2014-09-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ISEC 
Conference Code 2014-09-ISEC 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Efficient Proofs for Monotone Formulas on Attributes Excluding Restriction in Anonymous Credential System 
Sub Title (in English)  
Keyword(1) Anonymity  
Keyword(2) Attributes  
Keyword(3) Authentication  
Keyword(4) Anonymous credentials  
Keyword(5) Monotone formula  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Shahidatul Sadiah  
1st Author's Affiliation Okayama University (Okayama Univ.)
2nd Author's Name Toru Nakanishi  
2nd Author's Affiliation Hiroshima University (Hiroshima Univ.)
3rd Author's Name Nobuo Funabiki  
3rd Author's Affiliation Okayama University (Okayama Univ.)
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Speaker Author-1 
Date Time 2014-09-05 14:45:00 
Presentation Time 25 minutes 
Registration for ISEC 
Paper # ISEC2014-50 
Volume (vol) vol.114 
Number (no) no.203 
Page pp.21-26 
#Pages 6 
Date of Issue 2014-08-29 (ISEC) 

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