Efficient and privacy-preserving group signature for federated learning

Kanchan, Sneha; Jang, Jae Won; Yoon, Jun Yong; Choi, Bong Jun

doi:10.1016/j.future.2023.04.017

Cited by 3 publications

(1 citation statement)

References 14 publications

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“…The server then combines, or averages, these gradients. This approach, however, does not inherently guarantee privacy, so it is often combined with other techniques like differential privacy, secure multi-party computation, and group signature as noted by [43][44][45].…”

Section: Work Based On Federated Learningmentioning

confidence: 99%

Privacy-Preserving Deep Learning Framework Based on Restricted Boltzmann Machines and Instance Reduction Algorithms

Alshammari,

El Hindi

2024

Applied Sciences

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The combination of collaborative deep learning and Cyber-Physical Systems (CPSs) has the potential to improve decision-making, adaptability, and efficiency in dynamic and distributed environments. However, it brings privacy, communication, and resource restrictions concerns that must be properly addressed for successful implementation in real-world CPS systems. Various privacy-preserving techniques have been proposed, but they often add complexity and decrease accuracy and utility. In this paper, we propose a privacy-preserving deep learning framework that combines Instance Reduction Techniques (IR) and the Restricted Boltzmann Machine (RBM) to preserve privacy while overcoming the limitations of other frameworks. The RBM encodes training data to retain relevant features, and IR selects the relevant encoded instances to send to the server for training. Privacy is preserved because only a small subset of the training data is sent to the server. Moreover, it is sent after encoding it using RBM. Experiments show that our framework preserves privacy with little loss of accuracy and a substantial reduction in training time. For example, using our framework, a CNN model for the MNIST dataset achieves 96% accuracy compared to 99% in a standard collaborative framework (with no privacy measures taken), with training time reduced from 133.259 s to 99.391 s. Our MLP model for MNIST achieves 97% accuracy compared to 98% in the standard collaborative framework, with training time reduced from 118.146 s to 87.873 s. Compared to other studies, our method is a simple approach that protects privacy, maintains the utility of deep learning models, and reduces training time and communication costs.

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Section: Work Based On Federated Learningmentioning

confidence: 99%