2 citations · 11 across the 17 of their papers we have counts for
17 papers
Toward Lossless Homomorphic Encryption for Scientific Computation
Muhammad Jahanzeb Khan, Bo Fang, Dongfang Zhao
This paper presents a comprehensive investigation into encrypted computations using the CKKS (Cheon-Kim-Kim-Song) scheme, with a focus on multi-dimensional vector operations and re…
Communication-Efficient Search under Fully Homomorphic Encryption for Federated Machine Learning
Dongfang Zhao
Homomorphic encryption (HE) has found extensive utilization in federated learning (FL) systems, capitalizing on its dual advantages: (i) ensuring the confidentiality of shared mode…
Silca: Singular Caching of Homomorphic Encryption for Outsourced Databases in Cloud Computing
Dongfang Zhao
Ensuring the confidentiality and privacy of sensitive information in cloud computing and outsourced databases is crucial. Homomorphic encryption (HE) offers a solution by enabling…
High-Performance Caching of Homomorphic Encryption for Cloud Databases
Dongfang Zhao
While homomorphic encryption (HE) has garnered significant research interest in cloud-based outsourced databases due to its algebraic properties over ciphertexts, the computational…
Comparative Evaluation of Data Decoupling Techniques for Federated Machine Learning with Database as a Service
Muhammad Jahanzeb Khan, Rui Hu, Mohammad Sadoghi +1
Federated Learning (FL) is a machine learning approach that allows multiple clients to collaboratively learn a shared model without sharing raw data. However, current FL systems pr…
Semantically Secure Private Set Intersection over Outsourced Multi-Owner Secret-Shared Databases
Dongfang Zhao
Private set intersection (PSI) aims to allow users to find out the commonly shared items among the users without revealing other membership information. The most recently proposed…
Order-Preserving Database Encryption with Secret Sharing
Dongfang Zhao
The order-preserving encryption (OPE) problem was initially formulated by the database community in 2004 soon after the paradigm database-as-a-service (DaaS) was coined in 2002. Ov…
CHEM: Efficient Secure Aggregation with Cached Homomorphic Encryption in Federated Machine Learning Systems
Dongfang Zhao
Although homomorphic encryption can be incorporated into neural network layers for securing machine learning tasks, such as confidential inference over encrypted data samples and e…
Skefl: Single-Key Homomorphic Encryption for Secure Federated Learning
Dongfang Zhao
Homomorphic encryption (HE) is widely adopted in untrusted environments such as federated learning. A notable limitation of conventional single-key HE schemes is the stringent secu…
A SVD-based Dynamic Harmonic Phasor Estimator with Improved Suppression of Out-of-Band Interference
Dongfang Zhao, Shisong Li, Fuping Wang +3
The diffusion of nonlinear loads and power electronic devices in power systems deteriorates the signal environment and increases the difficulty of measuring harmonic phasors. Consi…
Rache: Radix-additive caching for homomorphic encryption
Dongfang Zhao
One of the biggest concerns for many applications in cloud computing lies in data privacy. A potential solution to this problem is homomorphic encryption (HE), which supports certa…
XLPN: Efficient and Scalable Cross-Ledger Protocols for the Topological Consortium of Permissioned Blockchains
Dongfang Zhao
While increasingly more application-specific blockchains, or ledgers, are being implemented and deployed, exchanging information between these ledgers remains an open problem. Exis…
Nonparametric Topological Layers in Neural Networks
Dongfang Zhao
Various topological techniques and tools have been applied to neural networks in terms of network complexity, explainability, and performance. One fundamental assumption of this li…
INCHE: High-Performance Encoding for Relational Databases through Incrementally Homomorphic Encryption
Dongfang Zhao
Homomorphic encryption (HE) offers data confidentiality by executing queries directly on encrypted fields in the database-as-a-service (DaaS) paradigm. While fully HE exhibits grea…
A SVD-Based Synchrophasor Estimator for P-class PMUs with Improved Immune from Interharmonic Tones
Dongfang Zhao, Fuping Wang, Shisong Li +3
The increasing use of renewable generation, power electronic devices, and nonlinear loads in power systems brings more severe interharmonic tones to the measurand, which can increa…
Algebraic Structure of Blockchains: A Group-Theoretical Primer
Dongfang Zhao
Although recent advances of blockchain systems, notably in the form of cryptocurrency, have drawn tremendous interests from both researchers and practitioners, limited studies exis…
Permissioned Blockchain Revisited: A Byzantine Game-Theoretical Perspective
Dongfang Zhao
Despite the popularity and practical applicability of blockchains, there is very limited work on the theoretical foundation of blockchains: The lack of rigorous theory and analysis…