39 citations · 43 across the 4 of their papers we have counts for
5 papers
PubSub-VFL: Towards Efficient Two-Party Split Learning in Heterogeneous Environments via Publisher/Subscriber Architecture
Yi Liu, Yang Liu, Leqian Zheng +5
With the rapid advancement of the digital economy, data collaboration between organizations has become a well-established business model, driving the growth of various industries.…
HORAM: A High-Performance Hierarchical Doubly Oblivious RAM
Leqian Zheng, Zheng Zhang, Wentao Dong +3
The combination of Oblivious RAM (ORAM) with Trusted Execution Environments (TEE) has found numerous real-world applications due to their complementary nature. TEEs alleviate the p…
Leakage-Abuse Attacks Against Forward and Backward Private Searchable Symmetric Encryption
Lei Xu, Leqian Zheng, Chengzhi Xu +2
Dynamic searchable symmetric encryption (DSSE) enables a server to efficiently search and update over encrypted files. To minimize the leakage during updates, a security notion nam…
SWAT: A System-Wide Approach to Tunable Leakage Mitigation in Encrypted Data Stores
Leqian Zheng, Lei Xu, Cong Wang +5
Numerous studies have underscored the significant privacy risks associated with various leakage patterns in encrypted data stores. While many solutions have been proposed to mitiga…
Maximizing approximately k-submodular functions
Leqian Zheng, Hau Chan, Grigorios Loukides +1
We introduce the problem of maximizing approximately -submodular functions subject to size constraints. In this problem, one seeks to select -disjoint subsets of a ground set…