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Paper Abstract and Keywords
Presentation 2022-05-18 16:00
[Invited Talk] Post-Quantum Anonymous One-Sided Authenticated Key Exchange without Random Oracles (from PKC 2022)
Ren Ishibashi, Kazuki Yoneyama (Ibaraki Univ.) ISEC2022-6
Abstract (in Japanese) (See Japanese page) 
(in English) Authenticated Key Exchange (AKE) is a cryptographic protocol to share a common session key among multiple parties. Usually, PKI-based AKE schemes are designed to guarantee secrecy of the session key and mutual authentication. However, in practice, there are many cases where mutual authentication is undesirable such as in anonymous networks like Tor and Riffle, or difficult to achieve due to the certificate management at the user level such as the Internet. Goldberg et al. formulated a model of anonymous one-sided AKE which guarantees the anonymity of the client by allowing only the client to authenticate the server, and proposed a concrete scheme. However, existing anonymous one-sided AKE schemes are only known to be secure in the random oracle model. In this paper, we propose generic constructions of anonymous one-sided AKE in the random oracle model and in the standard model, respectively. Our constructions allow us to construct the first post-quantum anonymous one-sided AKE scheme from isogenies in the standard model.
Keyword (in Japanese) (See Japanese page) 
(in English) authenticated key exchange / one-sided secure / anonymity / post-quantum / isogenies / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 27, ISEC2022-6, pp. 21-21, May 2022.
Paper # ISEC2022-6 
Date of Issue 2022-05-11 (ISEC) 
ISSN Online edition: ISSN 2432-6380
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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)
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Conference Information
Committee ISEC  
Conference Date 2022-05-18 - 2022-05-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ISEC 
Conference Code 2022-05-ISEC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Post-Quantum Anonymous One-Sided Authenticated Key Exchange without Random Oracles (from PKC 2022) 
Sub Title (in English)  
Keyword(1) authenticated key exchange  
Keyword(2) one-sided secure  
Keyword(3) anonymity  
Keyword(4) post-quantum  
Keyword(5) isogenies  
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1st Author's Name Ren Ishibashi  
1st Author's Affiliation Ibaraki University (Ibaraki Univ.)
2nd Author's Name Kazuki Yoneyama  
2nd Author's Affiliation Ibaraki University (Ibaraki Univ.)
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Speaker Author-1 
Date Time 2022-05-18 16:00:00 
Presentation Time 25 minutes 
Registration for ISEC 
Paper # ISEC2022-6 
Volume (vol) vol.122 
Number (no) no.27 
Page p.21 
#Pages
Date of Issue 2022-05-11 (ISEC) 


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