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| Presentation | 2008-02-29 10:45 Secret Key Agreement by Reliability Information of Signals in Gaussian Maurer's Model Masashi Naito, Shun Watanabe, Ryutaroh Matsumoto, Tomohiko Uyematsu (Tokyo Inst. of Tech.)  IT2007-54 ISEC2007-151 WBS2007-85 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We consider the problem of secret key agreement in Gaussian Maurer’s Model. In Gaussian Maurer's model, legitimate receivers, Alice and Bob, and the wire-tapper, Eve, recieve signals randomly generated by a satellite through three independent memoryless Gaussian channels respectively. Then Alice and Bob generate a common secret key from their received signals. In this model, we propose a protocol for generating a common secret key by using the result of soft-decision of Alice and Bob’s received signals. Then, we calculate a lower bound on the secret key rate in our proposed protocol. As a result of comparison with the protocol that only uses hard-decision, we found that the higher rate is obtained by using our protocol. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Gaussian channel / Maurer's model / satellite model / secret key agreement / secret key rate / soft-decision / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 499, IT2007-54, pp. 37-41, Feb. 2008. | |
| Paper # | IT2007-54 | |
| Date of Issue | 2008-02-22 (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 | IT2007-54 ISEC2007-151 WBS2007-85 |
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| Conference Information | |
| Committee | ISEC IT WBS |
| Conference Date | 2008-02-28 - 2008-02-29 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | IT |
| Conference Code | 2008-02-ISEC-IT-WBS |
| Language | English (Japanese title is available) |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Secret Key Agreement by Reliability Information of Signals in Gaussian Maurer's Model |
| Sub Title (in English) | |
| Keyword(1) | Gaussian channel |
| Keyword(2) | Maurer's model |
| Keyword(3) | satellite model |
| Keyword(4) | secret key agreement |
| Keyword(5) | secret key rate |
| Keyword(6) | soft-decision |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Masashi Naito |
| 1st Author's Affiliation | Tokyo Institute of Technology (Tokyo Inst. of Tech.) |
| 2nd Author's Name | Shun Watanabe |
| 2nd Author's Affiliation | Tokyo Institute of Technology (Tokyo Inst. of Tech.) |
| 3rd Author's Name | Ryutaroh Matsumoto |
| 3rd Author's Affiliation | Tokyo Institute of Technology (Tokyo Inst. of Tech.) |
| 4th Author's Name | Tomohiko Uyematsu |
| 4th Author's Affiliation | Tokyo Institute of Technology (Tokyo Inst. of Tech.) |
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| Speaker | Author-1 |
| Date Time | 2008-02-29 10:45:00 |
| Presentation Time | 25 minutes |
| Registration for | IT |
| Paper # | IT2007-54, ISEC2007-151, WBS2007-85 |
| Volume (vol) | vol.107 |
| Number (no) | no.499(IT), no.501(ISEC), no.503(WBS) |
| Page | pp.37-41 |
| #Pages | 5 |
| Date of Issue | 2008-02-22 (IT, ISEC, WBS) |
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