Optimal communication and key rate region for hierarchical secure aggregation with user collusion

X Zhang, K Wan, H Sun, S Wang, M Ji… - arXiv preprint arXiv …, 2024 - arxiv.org
Secure aggregation is concerned with the task of securely uploading the inputs of multiple
users to an aggregation server without letting the server know the inputs beyond their …

Private federated submodel learning via private set union

Z Wang, S Ulukus - IEEE Transactions on Information Theory, 2023 - ieeexplore.ieee.org
We consider the federated submodel learning (FSL) problem and propose an approach
where clients are able to update the central model information theoretically privately. Our …

MDS Variable Generation and Secure Summation with User Selection

Y Zhao, H Sun - arXiv preprint arXiv:2211.01220, 2022 - arxiv.org
A collection of $ K $ random variables are called $(K, n) $-MDS if any $ n $ of the $ K $
variables are independent and determine all remaining variables. In the MDS variable …

Fully robust federated submodel learning in a distributed storage system

Z Wang, S Ulukus - IEEE Transactions on Information Theory, 2024 - ieeexplore.ieee.org
We consider the federated submodel learning (FSL) problem in a distributed storage system.
In the FSL framework, the full learning model at the server side is divided into multiple …

Weakly secure summation with colluding users

Z Li, Y Zhao, H Sun - 2023 IEEE International Symposium on …, 2023 - ieeexplore.ieee.org
In secure summation, K users, each holds an input, wish to compute the sum of the inputs at
a server without revealing any information about all the inputs even if the server may collude …

Capacity of Hierarchical Secure Coded Gradient Aggregation with Straggling Communication Links

Q Lu, J Cheng, W Kang, N Liu - arXiv preprint arXiv:2412.11496, 2024 - arxiv.org
The growing privacy concerns in distributed learning have led to the widespread adoption of
secure aggregation techniques in distributed machine learning systems, such as federated …

Secure Aggregation with an Oblivious Server

H Sun - arXiv preprint arXiv:2307.13474, 2023 - arxiv.org
Secure aggregation usually aims at securely computing the sum of the inputs from $ K $
users at a server. Noticing that the sum might inevitably reveal information about the inputs …

Optimal Rate Region for Key Efficient Hierarchical Secure Aggregation with User Collusion

X Zhang, K Wan, H Sun, S Wang, M Ji… - 2024 IEEE Information …, 2024 - ieeexplore.ieee.org
Secure aggregation is concerned with the task of securely uploading the inputs associated
with multiple users to an aggregation server without revealing the user inputs to the server …

Private Sum Computation: Trade-Off Between Shared Randomness and Privacy

RA Chou, J Kliewer, A Yener - 2024 IEEE International …, 2024 - ieeexplore.ieee.org
Consider a scenario involving multiple users and a fusion center. Each user possesses a
sequence of bits and can communicate with the fusion center through a one-way public …

Secure Summation with User Selection and Collusion

Y Zhao, H Sun - 2024 IEEE Information Theory Workshop (ITW), 2024 - ieeexplore.ieee.org
The secure summation problem is studied with user selection and collusion, where a server
may select any U out of K users and compute the sum of the inputs from the selected users …