学位

• 工学博士（電気通信大学）

経歴

学歴

受賞

• 情報理論とその応用サブソサイエティ学生優秀発表賞（2021-01）

その他

論文

• Revisiting the Lossy Signature Scheme Based on DSDL Problem（2024-08）
• Lossy Signature Scheme Based on Decisional Exact LPN Problem with Concrete Hash Encodings（2024-07）
• 5パス本人確認方式の健全性の再考察（2024-03） [ResearchMap]
• 新しいNP困難なテンソルベースの問題に基づいた公開鍵本人確認方式（2024-03） [ResearchMap]
• BKWアルゴリズムの精度の向上案（2024-01） [ResearchMap]
• More Efficient Two-Round Multi-Signature Scheme with Provably Secure Parameters for Standardized Elliptic Curves（2023-10） [DOI] [Othres link] [ResearchMap] [ResearchMap] [ResearchMap]
• A Framework for Shannon Ciphers under Side-Channel Attacks: a Strong Converse and More（2022-06-26） [DOI]
• New Post-Quantum Digital Signature Scheme based on MinRank Problem（2022-01-18）
• Three-Pass Identification Scheme Based on MinRank Problem with Half Cheating Probability.（2022） [DBLP] [Othres link] [Othres link] [Othres link]
• MinRank Based Three-Pass Identification Scheme with Half Cheating Probability（2021-10-26）
• Strong Converse for Distributed Source Coding with Encryption Using Correlated Keys（2021-10-17） [DOI]
• Achieving Pairing-Free Aggregate Signatures using Pre-Communication between Signers（2021-09） [DOI] [DBLP] [Othres link]
• Security Analysis on an El-Gamal-like Multivariate Encryption Scheme Based on Isomorphism of Polynomials（2021-08-11） [DOI] [Othres link]
• Achieving Pairing-Free Aggregate Signatures using Pre-Communication between Signers.（2021） [DOI] [DBLP] [Othres link]
• LWE暗号におけるIND-CPA安全性の再評価（2021-01） [Othres link]
• An Introduction to Provable Secure Post-Quantum Cryptography（2020-12）
• Generalization of Isomorphism of Polynomials with Two Secrets and Its Application to Public Key Encryption（2020-04-15） [Othres link]
• Cryptanalysis of Aggregate Γ-Signature and Practical Countermeasures in Application to Bitcoin.（2020） [DBLP] [Othres link] [Othres link]
• Secrecy Amplification of Distributed Encrypted Sources With Correlated Keys Using Post-Encryption-Compression（2019-11）
• Information Theoretic Security for Broadcasting of Two Encrypted Sources under Side-Channel Attacks（2019-08）
• Secure Broadcasting of Two Encrypted Sources under Side-Channel Attacks（2019-07-07） [Othres link]
• Information Theoretic Security for Shannon Cipher System under Side-Channel Attacks（2019-05）
• A New Family of Isomorphism of Polynomials and Its Application to Public Key Encryption Scheme（2019-03-07） [Othres link]
• 任意の環におけるイデアル格子問題に基づいた本人確認方式（2019-03）
• Measuring Security of Symmetric Encryption Schemes Against On-the-Fly Side-Channel Key-Recovery Attacks（2019） [DOI] [Scopus] [Scopus]
• A New Identification Scheme based on Syndrome Decoding Problem with Provable Security against Quantum Adversaries.（2019） [DBLP] [Othres link] [DBLP]
• A New Three-Pass Code-based Zero-Knowledge Identification Scheme with Cheating Probability of Exactly Half（2018-10-28）
• Post Encryption Compression with Affine Encoders for Secrecy Amplification in Distributed Source Encryption with Correlated Keys（2018-10-28）
• Entanglement Between Hash Encodings and Signatures from ID Schemes with Non-binary Challenges: A Case Study on Lightweight Code-Based Signatures（2018-09-25） [DOI] [DBLP] [Othres link] [Othres link]
• Extension of Easy-to-Understand Structure for Chosen-Ciphertext-Attack Security from Decisional Diffie-Hellman Assumption（2018-09-07）
• Information Theoretical Analysis of Side-Channel Attacks to the Shannon Cipher System（2018-08-15） [DOI]
• Reviving identification scheme based on isomorphism of polynomials with two secrets: A refined theoretical and practical analysis（2018-05-01） [DOI]
• Provably Secure Code-Based Signature Schemes via Fiat-Shamir Transform with Theoretical and Practical Analysis on Hash Encodings（2017-09-04） [CiNii Research (CiNii Articles)] [CiNii Books] [Othres link]
• 2進数体上の符号と多変数多項式による公開鍵暗号方式の新たな構成法（2017-08-28）
• Privacy Amplification of Distributed Encrypted Sources with Correlated Keys（2017-06-26）
• Provable Secure Signature Scheme against Quantum Adversaries based on Decisional Isomorphism of Polynomials with Two Secrets（2017-03-02） [CiNii Research (CiNii Articles)] [CiNii Books] [Othres link]
• Universally Composable RFID Mutual Authentication（2017-01） [DOI] [Web of Scientce]
• Provable secure post-quantum signature scheme based on isomorphism of polynomials in quantum random oracle model（2017） [DOI] [Scopus] [Scopus]
• Refining identification scheme based on isomorphism of polynomials with two secrets: A new theoretical and practical analysis（2016-05-30） [DOI]
• Revisiting Isomorphism of Polynomials with Two Secrets（2016-03-03）
• Revisiting Isomorphism of Polynomials with Two Secrets: towards a Shorter Zero Knowledge Protocol（2016-01-19）
• Sequential bitwise sanitizable signature schemes（2011） [DOI]
• An Efficient Authentication for Lightweight Devices by Perfectiong Zero-Knwoledgeness（2011-01）
• Improving Efficiency of An 'On the Fly' Identification Scheme by Perfecting Zero-Knowledgenes（2010-03）

その他業績

講演・口頭発表等

• LPN問題とDual-LPN問題に基づいたノイズ付き鍵共有の提案（2025-01-28）
• 部分ラテン方陣完成問題に基づいたカードベース対話証明プロトコル（2024-01-25） [ResearchMap]
• 新たなNP困難な Morphism of Polynomials 問題に基づいた本人確認方式（2023-01-25）
• New Post-Quantum Digital Signature Scheme based on MinRank Problem（2022-01-18）
• MinRank Based Three-Pass Identification Scheme with Half Cheating Probability（2021-10-26）
• Shannonワンタイムパッド暗号に置ける秘匿性の必要十分条件の再考察（2020-01-31）
• 事前通信モデルにおけるペアリングを用いない集約署名（2020-01-29）
• 単純な構造をもった公開鍵暗号方式の単純化（2020-01-28）
• Concurrently Secure Identification Schemes Based on the Hardness of Ideal Lattice Problems in all Rings and a General Simulatable Sampling（2019-12-26）
• Post-Quantum Cryptography for Internet of Things (IoT): Next Generation Cryptography for Next Generation Network（2019-09-06）
• LWE暗号の計算機における安全性評価（2019-01-24）
• A New Family of Isomorphism of Polynomials and Its Applications to Public Key Encryption Scheme（2019-01-24）
• Another Look at One-More Discrete Logarithm Problem in Generic Model（2019-01-23）
• 符号ベース暗号方式と多変数多項式ベース暗号方式を組み合わせた暗号方式の構築法（2019-01-22）
• 任意の環におけるイデアル格子問題に基づいた本人確認方式（2019-01-22）
• Code-based Identification Scheme with Security against Quantum Adversaries under Fully Concurrent Active Attacks（2018-12-19）
• 量子通信、量子コンピュータ、と暗号技術（2018-11-10）
• Distributed Privacy Amplification of Encrypted Multiple Sources with Correlated Keys（2016-12-14）
• Revisiting Isomorphism of Polynomials with Two Secrets: towards a Shorter Zero Knowledge Protocol（2016-01-19）

書籍等出版物

作品等

共同研究・競争的資金等の研究課題

メディア報道

産業財産権

所属学協会

• Institute of Electronics, Information and Communication Engineers (IEICE)
• International Association for Cryptologic Research (IACR)
• Association of Computing Machinery (ACM)
• The Institute of Electrical and Electronics Engineers, Inc. (IEEE)

委員歴

担当経験のある科目

• 応用数学B
• 確率統計
• Fundamentals of Computer and Network Engineering
• Topics in Mathematical Informatics I
• 情報数理学特論 I
• 情報・ネットワーク工学専攻基礎
• 情報通信工学実験
• 情報通信工学実験

社会貢献活動

学術貢献活動