日本語
The University of Electro-Communications 
Graduate School of Informatics and Engineering, School of Informatics and Engineering 
"Department of Informatics, Cluster II (Emerging Multi-interdisciplinary Engineering)" 

Assistant Professor 
MIYAHARA DAIKI 

Academic degrees
Ph.D. (Information Sciences)  東北大学大学院情報科学研究科  2021/03/25 

Classes responsible within the university
2021  暗号情報セキュリティ  Fall semester  Undergraduate, mainly nighttime 
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Current research areas
Theory of informatics 
Information security 

Current research subjects
カードベース暗号に基づく新しい秘密計算  2019/04/01-Present 
Information security, Cryptology, Secure computation, Card-based cryptography, Side-channel attack  2021/10/01-Present 

Published papers
Paper  Yes  How to construct physical zero-knowledge proofs for puzzles with a ``single loop'' condition  Lafourcade Pascal, Miyahara Daiki, Mizuki Takaaki, Robert Léo, Sasaki Tatsuya, Sone Hideaki  THORETICAL COMPUTER SCIENCE  888, 41-55  2021/10  10.1016/j.tcs.2021.07.019 
Paper  Yes  Evaluating card-based protocols in terms of execution time  Miyahara Daiki, Ueda Itaru, Hayashi Yu-ichi, Mizuki Takaaki, Sone Hideaki  INTERNATIONAL JOURNAL OF INFORMATION SECURITY  20/ 5, 729-740  2021/10  1615-5262  10.1007/s10207-020-00525-4 
Paper  Yes  Card-based protocols for secure ranking computations  Takashima Ken, Abe Yuta, Sasaki Tatsuya, Miyahara Daiki, Shinagawa Kazumasa, Mizuki Takaaki, Sone Hideaki  THEORETICAL COMPUTER SCIENCE  845, 122-135  2020/12  0304-3975  10.1016/j.tcs.2020.09.008 
Paper  Yes  Efficient card-based zero-knowledge proof for Sudoku  Sasaki Tatsuya, Miyahara Daiki, Mizuki Takaaki, Sone Hideaki  THEORETICAL COMPUTER SCIENCE  839, 135-142  2020/11  0304-3975  10.1016/j.tcs.2020.05.036 
Paper  Yes  Secure implementations of a random bisection cut  Ueda Itaru, Miyahara Daiki, Nishimura Akihiro, Hayashi Yu-ichi, Mizuki Takaaki, Sone Hideaki  INTERNATIONAL JOURNAL OF INFORMATION SECURITY  19/ 4, 445-452  2020/08  1615-5262  10.1007/s10207-019-00463-w 
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Research presentations
Oral presentation for an academic conference  ランダム二等分割カットのみを用いる5枚コミット型ANDプロトコル  CSEC研究会  No  豊田航大、宮原大輝、水木敬明  2021/11 
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Awards
東北大学大学院情報科学研究科長賞  2021/03/25 
東北大学総長賞  2021/03/25 
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Grants-in-aid for scientific research
カードベース暗号に基づく新しい秘密計算の実現  Other  2019/04/01-2021/03/31 
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