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| Presentation | 2007-09-07 13:55 An Implementation of a Pairing-Based Group Signature Scheme with Verifier-Local Revocation Yuta Hira, Hidehiro Kato, Toru Nakanishi, Yasuyuki Nogami, Nobuo Funabiki, Yoshitaka Morikawa (Okayama Univ.)  ISEC2007-83 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Group signature scheme is one of signature schemes which keep signer's identity information secret. A pairing-based group signature scheme which can make a signer sign without any revocation information and has the short length of the signature was proposed. However this scheme has a problem that the anonymity cannot be proved in case of using the twisted pairing which is known for an ecient implementation of pairing. Then, in this paper, we extend the previous scheme to have the provable anonymity in case of using twisted pairing. In addition, we eciently implemented the extended scheme by transforming some equations and introducing parallel processing, and then we show that the extended scheme can be executed for a practical time on a server with multi-core CPU even if about 500 members are revoked. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | group signature / revocation / pairing / VLR / privacy protection / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 209, ISEC2007-83, pp. 69-76, Sept. 2007. | |
| Paper # | ISEC2007-83 | |
| Date of Issue | 2007-08-31 (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) | |
| Download PDF | ISEC2007-83 |
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| Conference Information | |
| Committee | ISEC |
| Conference Date | 2007-09-07 - 2007-09-07 |
| 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 | 2007-09-ISEC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | An Implementation of a Pairing-Based Group Signature Scheme with Verifier-Local Revocation |
| Sub Title (in English) | |
| Keyword(1) | group signature |
| Keyword(2) | revocation |
| Keyword(3) | pairing |
| Keyword(4) | VLR |
| Keyword(5) | privacy protection |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yuta Hira |
| 1st Author's Affiliation | Okayama University (Okayama Univ.) |
| 2nd Author's Name | Hidehiro Kato |
| 2nd Author's Affiliation | Okayama University (Okayama Univ.) |
| 3rd Author's Name | Toru Nakanishi |
| 3rd Author's Affiliation | Okayama University (Okayama Univ.) |
| 4th Author's Name | Yasuyuki Nogami |
| 4th Author's Affiliation | Okayama University (Okayama Univ.) |
| 5th Author's Name | Nobuo Funabiki |
| 5th Author's Affiliation | Okayama University (Okayama Univ.) |
| 6th Author's Name | Yoshitaka Morikawa |
| 6th Author's Affiliation | Okayama University (Okayama Univ.) |
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| Speaker | Author-1 |
| Date Time | 2007-09-07 13:55:00 |
| Presentation Time | 25 minutes |
| Registration for | ISEC |
| Paper # | ISEC2007-83 |
| Volume (vol) | vol.107 |
| Number (no) | no.209 |
| Page | pp.69-76 |
| #Pages | 8 |
| Date of Issue | 2007-08-31 (ISEC) |
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