Bootstrapping Fully Homomorphic Encryption with Ring Plaintexts Within Polynomial Noise. - Long Chen 018; Zhenfeng Zhang (ProvSec, 2017)

Batched Multi-hop Multi-key FHE from ring-LWE with Compact Ciphertext Extension. - Long Chen 018; Zhenfeng Zhang; Xueqing Wang (IACR Cryptol. ePrint Arch., 2017)

Post-quantum IND-CCA-secure KEM without Additional Hash. - Haodong Jiang; Zhenfeng Zhang; Long Chen 018; Hong Wang 027; Zhi Ma 001 (IACR Cryptol. ePrint Arch., 2017)

IND-CCA-Secure Key Encapsulation Mechanism in the Quantum Random Oracle Model, Revisited. - Haodong Jiang; Zhenfeng Zhang; Long Chen 018; Hong Wang 027; Zhi Ma 001 (CRYPTO (3), 2018)

People Who Live in Glass Houses Should not Throw Stones: Targeted Opening Message Franking Schemes. - Long Chen 018; Qiang Tang 005 (IACR Cryptol. ePrint Arch., 2018)

On the Hardness of the Computational Ring-LWR Problem and its Applications. - Long Chen 018; Zhenfeng Zhang; Zhenfei Zhang (IACR Cryptol. ePrint Arch., 2018)

Multi-input Laconic Function Evaluation. - Bo Pang; Long Chen 018; Xiong Fan; Qiang Tang 005 (ACISP, 2020)

CCA Updatable Encryption Against Malicious Re-encryption Attacks. - Long Chen 018; Yanan Li 007; Qiang Tang 005 (ASIACRYPT (3), 2020)

Proof of Storage-Time: Efficiently Checking Continuous Data Availability. - Giuseppe Ateniese; Long Chen 018; Mohammad Etemad; Qiang Tang 005 (IACR Cryptol. ePrint Arch., 2020)

Verifiable Capacity-bound Functions: A New Primitive from Kolmogorov Complexity. - Giuseppe Ateniese; Long Chen 018; Danilo Francati; Dimitrios Papadopoulos 001; Qiang Tang 005 (IACR Cryptol. ePrint Arch., 2021)

Multi-key Fully Homomorphic Encryption Scheme with Compact Ciphertext. - Tanping Zhou; Zhenfeng Zhang; Long Chen 018; Xiaoliang Che; Wenchao Liu 002; Xiaoyuan Yang 002 (IACR Cryptol. ePrint Arch., 2021)

Verifiable Capacity-Bound Functions: A New Primitive from Kolmogorov Complexity - (Revisiting Space-Based Security in the Adaptive Setting). - Giuseppe Ateniese; Long Chen 018; Danilo Francati; Dimitrios Papadopoulos 001; Qiang Tang 005 (Public Key Cryptography (2), 2023)

Efficient Secure Storage with Version Control and Key Rotation. - Long Chen 018; Hui Guo; Ya-Nan Li 007; Qiang Tang 005 (IACR Cryptol. ePrint Arch., 2023)

Efficient Lattice-Based Threshold Signatures With Functional Interchangeability. - Guofeng Tang; Bo Pang; Long Chen 018; Zhenfeng Zhang (IEEE Trans. Inf. Forensics Secur., 2023)

Round efficient privacy-preserving federated learning based on MKFHE. - Wenchao Liu 002; Tanping Zhou; Long Chen 018; Hongjian Yang; Jiang Han; Xiaoyuan Yang 002 (Comput. Stand. Interfaces, 2024)

Short Paper: Decentralized Fair Exchange for Assets across Blockchain and the Internet. - Long Chen 018; Yuguo Liu; Yuan Lu 001; Qiang Tang 005 (CVCBT, 2025)

Proofs of Retrievability With Public Verifiability From Lattices. - Miaomiao Tian 001; Chuang Gao; Long Chen 018; Hong Zhong 001; Jie Chen 021 (IEEE Trans. Inf. Forensics Secur., 2025)

End-to-Same-End Encryption: Modularly Augmenting an App with an Efficient, Portable, and Blind Cloud Storage. - Long Chen 018; Ya-Nan Li 007; Qiang Tang 005; Moti Yung (ACM Trans. Priv. Secur., 2025)