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arXiv 2009.13153cs.CR
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STR:基于共享-转换-显示策略的可加份额安全计算

STR: Secure Computation on Additive Shares Using the Share-Transform-Reveal Strategy

Zhihua Xia, Qi Gu, Wenhao Zhou, Lizhi Xiong, Jian Weng, Neal N. Xiong

摘要:

云计算的快速发展,大概让我们每个人都受益匪浅。然而,不可信的云服务器带来的隐私风险引起了越来越多的人和立法机构的关注。在过去的二十年中,大量的工作寻求外包各种特定的任务,同时确保私人数据的安全性。要外包的任务数不胜数;然而,所涉及的计算是相似的。在本文中,我们构建了一系列新的协议,支持安全计算的各种功能的号码(例如,基本初等函数)和矩阵(例如,特征向量和特征值的计算)。所有协议只需要恒定的交互轮数,实现了低计算复杂度。此外,即使$n-1$服务器合谋,所提出的$n$方协议也能确保私有数据的安全性。利用卷积神经网络模型对协议进行了验证。理论分析和实验结果证明了该协议的正确性、高效性和安全性。

英文摘要:

The rapid development of cloud computing has probably benefited each of us. However, the privacy risks brought by untrustworthy cloud servers arise the attention of more and more people and legislatures. In the last two decades, plenty of works seek to outsource various specific tasks while ensuring the security of private data. The tasks to be outsourced are countless; however, the computations involved are similar. In this paper, we construct a series of novel protocols that support the secure computation of various functions on numbers (e.g., the basic elementary functions) and matrices (e.g., the calculation of eigenvectors and eigenvalues) in arbitrary $n\geq 2$ servers. All protocols only require constant rounds of interactions and achieve the low computation complexity. Moreover, the proposed $n$-party protocols ensure the security of private data even though $n-1$ servers collude. The convolutional neural network models are utilized as the case studies to verify the protocols. The theoretical analysis and experimental results demonstrate the correctness, efficiency, and security of the proposed protocols.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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