An Ownership Verification Mechanism Against Encrypted Forwarding Attacks in Data-Driven Social Computing
An Ownership Verification Mechanism Against Encrypted Forwarding Attacks in Data-Driven Social Computing
复制标题
数据驱动的社交计算中针对加密转发攻击的所有权验证机制
DOI:
10.3389/fphy.2021.739259
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发表时间:
2021-09
影响因子:
3.1
通讯作者:
Yuanyuan He
中科院分区:
文献类型:
--
作者:
Zhe Sun;Junping Wan;Bin Wang;Zhiqiang Cao;Ran Li;Yuanyuan He
Data-driven deep learning has accelerated the spread of social computing applications. To develop a reliable social application, service providers need massive data on human behavior and interactions. As the data is highly relevant to users’ privacy, researchers have conducted extensive research on how to securely build a collaborative training model. Cryptography methods are an essential component of collaborative training which is used to protect privacy information in gradients. However, the encrypted gradient is semantically invisible, so it is difficult to detect malicious participants forwarding other’s gradient to profit unfairly. In this paper, we propose a data ownership verification mechanism based on Σ-protocol and Pedersen commitment, which can help prevent gradient stealing behavior. We deploy the Paillier algorithm on the encoded gradient to protect privacy information in collaborative training. In addition, we design a united commitment scheme to complete the verification process of commitments in batches, and reduce verification consumption for aggregators in large-scale social computing. The evaluation of the experiments demonstrates the effectiveness and efficiency of our proposed mechanism.
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DOI:
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IACR Cryptol. ePrint Arch.
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10.1007/978-1-4757-3296-2_7
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2020-02
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2016-10
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ArXiv
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通讯作者:
Jakub Konecný;H. B. McMahan;Daniel Ramage;Peter Richtárik