4 papers · 1 filter
Ciphertext-Native Watermarking for RLWE-Based Homomorphic Encryption
Yufei Zhou, Peijia Zheng
Homomorphic encryption (HE) schemes based on the Ring Learning with Errors (RLWE) problem have been rapidly developed and widely applied to secure computation tasks, such as privac…
NFSA: Non-Forward Secure Aggregation with One Server via Two Layer Secret Sharing
Yufei Zhou
Federated Learning (FL) enables collaborative model training while preserving privacy by keeping data local. However, the risk of sensitive data leakage through model updates neces…
Privacy-Preserving High-Resolution Image Gradient Computation Based on Fully Homomorphic Encryption
Yufei Zhou
With growing emphasis on privacy protection, homomorphic encryption (HE) has emerged as a core method for privacy-preserving image processing, as it enables operations directly on…
Verifiable Secure Aggregation via Dual Servers with Linear Tags in Federated Learning
Yufei Zhou
Federated learning (FL) enables collaborative model training by aggregating local updates without requiring raw data sharing. However, prior studies have shown that servers can exp…