Zehua Shang / 尚泽华

I am currently a third-year ph.D. student at Kyoto University, under the supervision of Prof. Mehdi Tibouchi and Prof. Masayuki Abe. Before coming to Japan, I received my bachelor’s degree from University of Science and Technology of China, advised by Prof. Honggang Hu.

ORCID DBLP

Research Interest

Zero-knowledge Proofs, Security Reductions, Digital Signatures.

Email Address

zehuashang44 at gmail dot com

Education

Ph.D: Graduate School of Informatics, Kyoto University, Apr 2022 ~ Now (Supervisor: Mehdi Tibouchi, Masayuki Abe)
M.S.: Graduate School of Informatics, Kyoto University, Apr 2020 ~ Mar 2022 (Supervisor: Mehdi Tibouchi, Masayuki Abe)
B.S.: School of the Gifted Young, University of Science and Technology of China, Sep 2015 ~ Jul 2019 (Supervisor: Honggang Hu)

Academic Service

(External) Reviewer: ASIACRYPT 2024, CRYPTO 2024, PKC 2024, CT-RSA 2023, ASIACRYPT 2023, EUROCRYPT 2022, SCN 2022, ISC 2021, Journal of Cryptology, IEICE Transactions.

Publications

Critical Round in Multi-Round Proofs: Compositions and Transformation to Trapdoor Commitments
Masayuki Abe, David Balbás, Dung Bui, Miyako Ohkubo, Zehua Shang, Mehdi Tibouchi
Preprint [ePrint]
CDS Composition of Multi-Round Protocols
Masayuki Abe, Andrej Bogdanov, Miyako Ohkubo, Alon Rosen, Zehua Shang, Mehdi Tibouchi
CRYPTO 2024 [Proceedings]

Talks

Expanding Challenge Space on Composing Generalized Sigma-Protocols
Zehua Shang, Miyako Ohkubo, Mehdi Tibouchi, Masayuki Abe
SCIS 2024
Non-Interactive Proof of Knowledge from Fiat-Shamir and Correlation Intractable Hash
Zehua Shang, Miyako Ohkubo, Mehdi Tibouchi, Masayuki Abe
SCIS 2023
A Study of Non-malleability Definitions on Timed Commitments
Zehua Shang, Mehdi Tibouchi, Masayuki Abe
SCIS 2022
Variants of Time-lock Puzzles from Randomized Encodings
Zehua Shang, Mehdi Tibouchi, Masayuki Abe
SCIS 2021

Techniques, SKills and Others

Languages: Chinese, English, Japanese
I enjoy listening to electronic music, especially J-trance.
Favorite Album: Waves of Euphoria