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| Paper Abstract and Keywords | ||
| Presentation | 2020-03-10 15:35 Improved Threshold Signature with Anonymity Takuya Inomoto, Atsuko Miyaji (Osaka Univ.)  IT2019-97 ISEC2019-93 WBS2019-46 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Today, we can exchange information at remote locations via the Internet. It is very important to distinguish whether or not the information was sent by the correct sender and forged. Digital signature is a useful tool for ensuring the authenticity of message origins. Multi-signature is used when information is circulated and needed to be attested by multiple people. Threshold signature is one type of multi-signatures, which divides the signature information and distributes them to multiple people. By setting the lower limit of the number of people to recover the signature, there is an advantage that fewer people than the lower limit cannot generate a signature. In addition, threshold signature has the feature of concealing who signed. Such as the gain in power of cryptocurrencies, the demand for threshold signature is high. On the other hand, it has drawbacks such as difficulty in adapting to a group with order . Therefore, I propose some method to improve these drawbacks. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Digital signature / threshold signature / order relation / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 474, ISEC2019-93, pp. 51-58, March 2020. | |
| Paper # | ISEC2019-93 | |
| Date of Issue | 2020-03-03 (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 | IT2019-97 ISEC2019-93 WBS2019-46 |
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| Conference Information | |
| Committee | ISEC IT WBS |
| Conference Date | 2020-03-10 - 2020-03-11 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | University of Hyogo |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | joint meeting of IT, ISEC, and WBS |
| Paper Information | |
| Registration To | ISEC |
| Conference Code | 2020-03-ISEC-IT-WBS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Improved Threshold Signature with Anonymity |
| Sub Title (in English) | |
| Keyword(1) | Digital signature |
| Keyword(2) | threshold signature |
| Keyword(3) | order relation |
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| 1st Author's Name | Takuya Inomoto |
| 1st Author's Affiliation | Osaka University (Osaka Univ.) |
| 2nd Author's Name | Atsuko Miyaji |
| 2nd Author's Affiliation | Osaka University (Osaka Univ.) |
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| Speaker | Author-1 |
| Date Time | 2020-03-10 15:35:00 |
| Presentation Time | 25 minutes |
| Registration for | ISEC |
| Paper # | IT2019-97, ISEC2019-93, WBS2019-46 |
| Volume (vol) | vol.119 |
| Number (no) | no.473(IT), no.474(ISEC), no.475(WBS) |
| Page | pp.51-58 |
| #Pages | 8 |
| Date of Issue | 2020-03-03 (IT, ISEC, WBS) |
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