Kawachi Akinori

カワチアキノリ | Kawachi Akinori

Affiliation and department：
Job title：教授
Other affiliations (1)：

大阪大学先導的学際研究機構量子情報・量子生命研究部門招へい教授

Homepage URL (1)： https://sites.google.com/site/akinorikawachi/

Research field (1)： Information theory

Research keywords (24)： Foundations of Cryptography , Quantum Information Science , Computational Complexity Theory , Foundations of Cryptography , Quantum Information Science , Computational Complexity Theory , 計算量理論 , 平均時・最悪時計算量の等価性 , 量子計算 , 電子署名 , グラフ自己同型性判定問題 , エンタングルメント , 情報セキュリティー , 暗号・認証等 , 量子暗号 , 隠れ部分群 , 量子コンピュータ , 対話証明 , 量子アルゴリズム , 量子公開鍵暗号系 , アルゴリズム , 暗号 , 量子情報 , 暗号理論

Research theme for competitive and other funds (13)：

2024 - 2029 Foundations of Secure Distributed Quantum Computing on Medium-Scale Quantum Computers
2023 - 2026 New theory for security analysis: from information inequality to computational inequality
2021 - 2026 Construction of Quantum Computaional Infrastracture towards Quantum Information Society
2021 - 2025 Design and analysis of secure multiparty computation protocols in more realistic network models
2017 - 2022 Computational Models in Cryptography for Encrypted Computation

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Papers (29)：

Hideaki Miyaji, Yuntao Wang, Akinori Kawachi, Atsuko Miyaji. A Commitment Scheme with Output Locality-3 Fit for the IoT Device. Security and Communication Networks. 2021. 2021. 1-10
Akinori Kawachi, Yoshio Okamoto, Keisuke Tanaka, Kenji Yasunaga. General Constructions of Rational Secret Sharing with Expected Constant-Round Reconstruction. COMPUTER JOURNAL. 2017. 60. 5. 711-728
Akinori Kawachi, Hirotoshi Takebe, Keisuke Tanaka. Lower Bounds for Key Length of k-wise Almost Independent Permutations and Certain Symmetric-Key Encryption Schemes. ADVANCES IN INFORMATION AND COMPUTER SECURITY, IWSEC 2016. 2016. 9836. 195-211
Eiichiro Fujisaki, Akinori Kawachi, Ryo Nishimaki, Keisuke Tanaka, Kenji Yasunaga. Post-Challenge Leakage Resilient Public-Key Cryptosystem in Split State Model. IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES. 2015. E98A. 3. 853-862
Akinori Kawachi, Takeshi Koshiba, Harumichi Nishimura, Tomoyuki Yamakami. Computational Indistinguishability Between Quantum States and Its Cryptographic Application. JOURNAL OF CRYPTOLOGY. 2012. 25. 3. 528-555

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MISC (14)：

Akinori Kawachi, Atsuko Miyaji, Kazuhisa Nakasho, Yiying Qi, Yuuki Takano. Secure Primitive for Big Data Utilization. 2020. 35-63
HIBE based on Universal Sampler. 2017. 117. 286. 71-77
KAWACHI Akinori, OKAMOTO Yoshio, TANAKA Keisuke, YASUNAGA Kenji. Rational Secret Sharing for Non-Simultaneous Channels. IEICE technical report. Information theory. 2012. 112. 58. 41-46
KAWACHI Akinori, OKAMOTO Yoshio, TANAKA Keisuke, YASUNAGA Kenji. Constant-round reconstruction for rational secret sharing. IEICE technical report. 2010. 110. 325. 15-21
Kawachi Akinori, Yamakami Tomoyuki. Complexity-Theoretical Quantum List Decoding and Applications to Quantum Hardcore Functions(New Trends in Theory of Computation and Algorithm). RIMS Kokyuroku. 2006. 1489. 114-120

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Books (1)：

確率と計算 -乱択アルゴリズムと確率的解析-
共立出版 2009 ISBN:9784320122291

Lectures and oral presentations (2)：

Orthogonality of Boolean Functions and Quantum Computation
(Theory of Quantum Computation, Communication, and Cryptography 2006)
量子情報処理の秘密鍵暗号・公開鍵暗号への応用
(コンピュテーション研究会 2005)

Professional career (1)：

Ph.D. (Informatics)

Work history (6)：

2019/04 - 現在 Mie University Professor
2018/07 - 現在 Osaka University
2017/04 - 2019/03 Osaka University Graduate School of Engineering
2016/04 - 2017/03 The University of Tokushima
2014/11 - 2016/03 The University of Tokushima Institute of Technology and Science

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Awards (1)：

2006 - 電子情報通信学会情報セキュリティ研究専門委員会 SCIS論文賞

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