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| Presentation | 2018-03-09 10:15 Information-Theoretically Secure Authentication Codes with Arbitration using Non-Uniformly Random Keys Miho Ishikawa, Junji Shikata (Yokohama National Univ.)  IT2017-142 ISEC2017-130 WBS2017-123 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The authentication code (A-code) is an information-theoretically secure authentication system which detects messages forged by an adversary, and the authentication code with arbitration (A$^2$-code) is an extension of the A-code which can detect attacks by a malicious sender or receiver. Although information-theoretically secure cryptographic systems usually need uniformly random keys, it is not easy to realize truely uniform random keys in a real world. There are works which research the A-code with non-uniformly random keys, however, there is no work for the A$^2$-code. In this paper, we study the A$^2$-code with non-uniform random keys. Specifically, we derive tight lower bounds of key-entropy in the A$^2$-code, and we propose an optimal construction of the A$^2$-code. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Information-theoretic security / Authentication code(A-code) / Authentication code with Arbitration(A$^2$-code) / Non-uniformly random keys / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 488, ISEC2017-130, pp. 231-236, March 2018. | |
| Paper # | ISEC2017-130 | |
| Date of Issue | 2018-03-01 (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 | IT2017-142 ISEC2017-130 WBS2017-123 |
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| Conference Information | |
| Committee | WBS IT ISEC |
| Conference Date | 2018-03-08 - 2018-03-09 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Katsusika Campas, Tokyo University of Science |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | joint meeting of IT, ISEC, and WBS |
| Paper Information | |
| Registration To | ISEC |
| Conference Code | 2018-03-WBS-IT-ISEC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Information-Theoretically Secure Authentication Codes with Arbitration using Non-Uniformly Random Keys |
| Sub Title (in English) | |
| Keyword(1) | Information-theoretic security |
| Keyword(2) | Authentication code(A-code) |
| Keyword(3) | Authentication code with Arbitration(A$^2$-code) |
| Keyword(4) | Non-uniformly random keys |
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| 1st Author's Name | Miho Ishikawa |
| 1st Author's Affiliation | Yokohama National University (Yokohama National Univ.) |
| 2nd Author's Name | Junji Shikata |
| 2nd Author's Affiliation | Yokohama National University (Yokohama National Univ.) |
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| Speaker | Author-1 |
| Date Time | 2018-03-09 10:15:00 |
| Presentation Time | 25 minutes |
| Registration for | ISEC |
| Paper # | IT2017-142, ISEC2017-130, WBS2017-123 |
| Volume (vol) | vol.117 |
| Number (no) | no.487(IT), no.488(ISEC), no.489(WBS) |
| Page | pp.231-236 |
| #Pages | 6 |
| Date of Issue | 2018-03-01 (IT, ISEC, WBS) |
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