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| Presentation | 2022-10-19 12:20 [Poster Presentation] Study on key reconciliation for secret key agreement based on radio propagation characteristic Seiju Yoshida, Hideichi Sasaoka, Hisato Iwai, Shinsuke Ibi (Doshisha Univ.)  AP2022-130 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | One of the secret key agreement based on radio propagation characteristics is to generate a quantized codeword by quantizing and coding the sample values of channel coefficients obtained at two legitimate stations. A secret key candidate is then generated from the codewords for the number of samples, and a common secret key is produced by key reconciliation. Various methods have been considered for key reconciliation, but most high-performance methods require complex arithmetic processing and massive information exchange. In this report, as a simple and practical method, we focus on a method that combines disagreement correction of the quantized codeword and error correction coding. We consider a disagreement detection and correction method by notification of parity of the quantized codeword (bit string). We also show that adaptive control of the number of quantization bits using the parity agreement rate can reduce the disagreement of the quantization codeword. The results show that the key bit disagreement rate can be maintained below which key reconciliation can be easily achieved with simple error correction coding. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Physical layer secret key agreement / Key reconciliation / Parity notification / Adaptive quantization / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 214, AP2022-130, pp. 154-155, Oct. 2022. | |
| Paper # | AP2022-130 | |
| Date of Issue | 2022-10-12 (AP) | |
| ISSN | 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 | AP2022-130 |
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| Conference Information | |
| Committee | AP |
| Conference Date | 2022-10-19 - 2022-10-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | GIFU CITY CULTURE CENTER |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Student Session, Antennas and Propagation |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2022-10-AP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study on key reconciliation for secret key agreement based on radio propagation characteristic |
| Sub Title (in English) | |
| Keyword(1) | Physical layer secret key agreement |
| Keyword(2) | Key reconciliation |
| Keyword(3) | Parity notification |
| Keyword(4) | Adaptive quantization |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Seiju Yoshida |
| 1st Author's Affiliation | Doshisha University (Doshisha Univ.) |
| 2nd Author's Name | Hideichi Sasaoka |
| 2nd Author's Affiliation | Doshisha University (Doshisha Univ.) |
| 3rd Author's Name | Hisato Iwai |
| 3rd Author's Affiliation | Doshisha University (Doshisha Univ.) |
| 4th Author's Name | Shinsuke Ibi |
| 4th Author's Affiliation | Doshisha University (Doshisha Univ.) |
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| Speaker | Author-1 |
| Date Time | 2022-10-19 12:20:00 |
| Presentation Time | 120 minutes |
| Registration for | AP |
| Paper # | AP2022-130 |
| Volume (vol) | vol.122 |
| Number (no) | no.214 |
| Page | pp.154-155 |
| #Pages | 2 |
| Date of Issue | 2022-10-12 (AP) |
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