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Trusted Model Aggregation With Zero-Knowledge Proofs in Federated Learning
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AI
DOI：10.1109/TPDS.2024.3455762.png)
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摘要
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This paper proposes a new global model aggregation method based on using zero-knowledge federated learning (ZKFL). The purpose is to secure horizontal or P2P federated machine learning systems with shorter aggregation times, higher model accuracy, and lower system costs. We use a model parameter-sharing Chord overlay network among all client hosts. The overlay guarantees a trusted sharing of zero-knowledge proofs for aggregation integrity, even under malicious Byzantine attacks. We tested over popular datasets, Fashion-MNIST and CIFAR10, to prove the new system protection concept. Our benchmark experiments validate the claimed advantages of the ZKFL scheme in all objective functions. Our aggregation method can be applied to secure both rank-based and similarity-based aggregation schemes. For a large system with over 200 clients, our system takes only 3 seconds to yield high-precision global machine models under the ALIE attacks with the Fashion-MNIST dataset. We have achieved up to 85% model accuracy, compared to only 3%similar to 45% accuracy observed with federated schemes without protection. Moreover, our method demands a low memory overhead for handling zero-knowledge proofs as the system scales greatly to a larger number of client nodes.
Keyword:
Distributed zero-knowledge proofs
federated machine learning
P2P Overlay
P2P Overlay
P2P Overlay
secure aggregation
secure aggregation
secure aggregation
trusted computing
trusted computing
trusted computing
secure aggregation
secure aggregation
trusted computing
trusted computing
期刊
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6
论文数:
5.2K
被引数:
1.1W
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