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YUAN Quan 袁 泉
YUAN Quan 袁 泉
I am currently an associate researcher at School of Cyber Science and Technology, Shandong University.
My research interest is cryptography, especially digital signatures, zero-knowledge proofs, hash-based constructions, quantum security, and blockchain.
Email: yuanquansdu at gmail.com
Education
PhD: Guaduate School of Informatics, Kyoto University. Supervisors: Mehdi Tibouchi & Masayuki Abe.
Degree Thesis: A Study on Hash-based Signature Schemes. Link
B&M: Department of Mathematics, Shandong University. Supervisor: Puwen Wei.
Degree Thesis: Security of the Blockchain Against Long Delay Attack.
Work Experience
Associate Researcher. School of Cyber Science and Technology, Shandong University. 2024.10~
Project Researcher. Mathematical Informatics 1st Laboratory, the University of Tokyo, 2022-2024
Publications
Quan Yuan, Chao Sun, Tsuyoshi Takagi. Revisiting the Security of Fiat-Shamir Signature Schemes under Superposition Attacks. ACISP 2024: 164-184 (2024)
Shichen Wu, Zhiying Song, Puwen Wei, Peng Tang, Quan Yuan. Improving privacy of anonymous proof-of-stake protocols. CANS 2023: 368-391 (2023)
Quan Yuan, Mehdi Tibouchi, Masayuki Abe. Quantum-Access Security of Hash-Based Signature Schemes. ACISP 2023: 343-380 (2023)
Quan Yuan, Mehdi Tibouchi, Masayuki Abe. On subset-resilient hash function families. Des. Codes Cryptogr. 90(3): 719-758 (2022)
Quan Yuan, Mehdi Tibouchi, Masayuki Abe. Security notions for stateful signature schemes. IET Inf. Secur. 16(1): 1-17 (2022)
Quan Yuan, Puwen Wei, Keting Jia, Haiyang Xue: Analysis of blockchain protocol against static adversarial miners corrupted by long delay attackers. Sci. China Inf. Sci. 63(3) (2020)
Puwen Wei, Quan Yuan, Yuliang Zheng. Security of the Blockchain Against Long Delay Attack. ASIACRYPT (3) 2018: 250-275 (2018)
Proceedings
Quan Yuan, Tsuyoshi Takagi. Quantum-access Security of Probabilistic Fiat-Shamir Signature Schemes. 4A2-3, 2024.
Quan Yuan, Tsuyoshi Takagi. Revisiting Fiat-Shamir Signatures under Superposition Attacks. SCIS 2023, 1A2-5, 2023.
Quan Yuan, Mehdi Tibouchi, Masayuki Abe. Quantum-Accessible Security of Stateless Hash-based Signature Schemes. SCIS 2022.
Quan Yuan, Mehdi Tibouchi, Masayuki Abe. Security Notions of Stateful Signature Schemes. SCIS 2021
Talks
Opportunities and challenges of hash-based digital signatures in a post-quantum environment. Hainan University, 2024.12
Quantum Security of Hash-based Signature Schemes. Xiamen University 2024.
Security of Fiat-Shamir Signature Schemes under Superposition Attacks. Crypto-Math Workshop. Tokyo Institute of Technology, 2023.5
Quantum Security of Modern Digital Signature Schemes. Shandong University, 2023.5
Activities
Program Committee Member: ACISP 2023, ICICS 2025
(Sub-)Reviewer: ASIACRYPT 2023, ProvSec 2023, ACNS 2024, CT-RSA 2022 & 2020, TCC 2021, IWSEC 2021, PKC 2020, Journal of Cryptology, Frountiers of Computer Science, IEICE Transactions.
Project Member: Crypto-Math CREST
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