Author

Shaojing Fu

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Preprint Oct 2026

Trusted Hardware Acceleration for Malicious-Secure Function Secret Sharing

Function secret sharing (FSS) underlies two-party private inference and private information retrieval, with cost dominated by generating, moving and evaluating distributed point function (DPF) keys. A trusted GPU-integrated distributed function accelerator (DFA) removed key movement by generating and consuming keys loc...

Yu-Jie Xue, Yi-Jing Peng, Lin Liu et al. · 0 citations

Preprint Aug 2026

KORD: Breaking the Key-Generation Bottleneck in Dealerless FSS via Protocol--Hardware Co-Design

KORD is presented, a protocol--hardware co-design that dramatically reduces the cost of dealerless FSS key generation and forms a security boundary within which KORD restructures the generation protocol, collapsing the interaction of prior dealerless protocols into a single round, independent of GGM depth.

Yi-Jing Peng, Lin Liu, Yu-Jie Xue et al. · 0 citations

Conference Open access Sep 2026

Beyond Client Clustering: Fine-Grained Preference Alignment in Federated RLHF via Self-Evolving Routing

FedPrism is proposed, a novel framework that shifts alignment granularity from the coarse client level to the precise instance level and devise a Posterior-Guided Performance Distillation mechanism that leverages experts' actual training loss as self-supervision to autonomously refine routing policies without explicit...

Ke Wang, Shaojing Fu, Yu-Chuan Luo et al. · Proceedings of the Thirty-Fi... · 0 citations