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| Presentation | 2007-12-19 15:05 An Implementation of a Privacy Enhancing SSL/TLS Protocol Based on Group Signatures Hiroki Obayashi, Toru Nakanishi, Jun Kawashima, Nobuo Funabiki (Okayama Univ.)  ISEC2007-123 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | While various Web services have spread, a lot of private information leaks have been often caused by the service vendors. One method to solve this problems is the use of the anonymous authentication based on group signatures. Group signatures allow the service vendors to verify that a signature is signed by a valid user, but they cannot know who is the signer. Therefore, the anonymous authentication based on group signatures can protect user's privacy while preventing illigal access. In this paper, we implement a privacy enhancing SSL/TLS protocol based on group signatures with membership revocation that does not need the change of user's certificate, and evaluate the authentication time. In a group with 5000 members where 10\% of its members are revoked, the authentication needs about 3 seconds. This result shows the practicality of this anonymous authentication protocol for a medium scale group. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | group signatures / privacy protection / anonymous authentication / SSL/TLS / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 397, ISEC2007-123, pp. 79-84, Dec. 2007. | |
| Paper # | ISEC2007-123 | |
| Date of Issue | 2007-12-12 (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 | ISEC2007-123 |
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| Conference Information | |
| Committee | ISEC |
| Conference Date | 2007-12-19 - 2007-12-19 |
| 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 | 2007-12-ISEC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | An Implementation of a Privacy Enhancing SSL/TLS Protocol Based on Group Signatures |
| Sub Title (in English) | |
| Keyword(1) | group signatures |
| Keyword(2) | privacy protection |
| Keyword(3) | anonymous authentication |
| Keyword(4) | SSL/TLS |
| Keyword(5) | |
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| 1st Author's Name | Hiroki Obayashi |
| 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 | Jun Kawashima |
| 3rd Author's Affiliation | Okayama University (Okayama Univ.) |
| 4th Author's Name | Nobuo Funabiki |
| 4th Author's Affiliation | Okayama University (Okayama Univ.) |
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| Speaker | Author-1 |
| Date Time | 2007-12-19 15:05:00 |
| Presentation Time | 25 minutes |
| Registration for | ISEC |
| Paper # | ISEC2007-123 |
| Volume (vol) | vol.107 |
| Number (no) | no.397 |
| Page | pp.79-84 |
| #Pages | 6 |
| Date of Issue | 2007-12-12 (ISEC) |
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