Faculty
Email：wanggxx@sjtu.edu.cn
Institute：Institute of Information Security and Cryptography
Brief Introduction
My main research areas include: cryptanalysis of post-quantum cryptoschemes, especially lattice-based cryptoschemes; privacy computing related cryptographic primitives such as functional encryption and homomorphic encryption. There is a lattice solving algorithm designed by me that has been used to break international LWE challenge for 6 times.
Education
Recieved a Ph.D degree at Peking University in 2013.
Professional Experience
Joined Shanghai Jiao Tong Unviersity in 2018.
Teaching Assignment
Undergraduate Courses:
Discrete Mathematics: 2022-2024 Fall
Quantum Algorithms and Quantum Cryptography: 2025 Fall
Graduate Course:
Theory on Provable Security: 2024, 2026 Spring
Publications
1. Heuristic Algorithm for Solving Restricted SVP and its Applications. Geng Wang, Wenwen Xia, Dawu Gu. PQCrypto 2025.
2. A Refined Hardness Estimation of LWE in Two-step Mode. Wenwen Xia, Leizhang Wang, Geng Wang, Dawu Gu, Baocang Wang. PKC 2024.
3. Efficient Cryptanalysis of an Encrypted Database supporting Data Interoperability. Gongyu Shi, Geng Wang, Shi-Feng Sun, Dawu Gu. VLDBJ 2024.
4. Functional Encryption against Probabilistic Queries: Definition, Construction and Applications, Geng Wang, Shi-Feng Sun, Zhedong Wang and Dawu Gu, PKC 2023.
5. VOProof: Efficient zkSNARKs from Vector Oracle Compilers. Yuncong Zhang, Alan Szepieniec, Ren Zhang, Shi-Feng Sun, Geng Wang, Dawu Gu, ACM CCS 2022.
Address: No. 800 Dongchuan Road, Shanghai
Email: https://www.safaricomp.com
Postal Code: 200240
Tel: +86-21-34205058 / 34204728
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