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arXiv 2009.11086cs.CR
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一种解决肾脏交换问题的隐私保护协议

A Privacy-Preserving Protocol for the Kidney Exchange Problem

Malte Breuer, Ulrike Meyer, Susanne Wetzel, Anja Mühlfeld

摘要:

活体捐赠者的肾脏捐赠是一个有吸引力的替代方案,可以在死后捐赠的名单上等待很长时间。然而,即使找到了特定患者的活体捐赠者,捐赠者的肾脏也可能不符合患者的医疗要求。如果有几个病人处于这种状态,他们可能会以循环的方式交换供体。目前用于确定这种交换周期的算法方法忽视了捐赠者和患者的隐私要求,因为他们需要集中收集和评估他们的医疗数据。在本文中,我们提出了第一个分布式隐私保护协议的肾脏交换,确保正确计算的交换周期,同时保护患者的敏感医疗数据的隐私。我们证明了新协议的正确性和安全性,并评估其实际性能。

英文摘要:

Kidney donations from living donors form an attractive alternative to long waiting times on a list for a post-mortem donation. However, even if a living donor for a given patient is found, the donor's kidney might not meet the patient's medical requirements. If several patients are in this position, they may be able to exchange donors in a cyclic fashion. Current algorithmic approaches for determining such exchange cycles neglect the privacy requirements of donors and patients as they require their medical data to be centrally collected and evaluated. In this paper, we present the first distributed privacy-preserving protocol for kidney exchange that ensures the correct computing of the exchange cycles while at the same time protecting the privacy of the patients' sensitive medical data. We prove correctness and security of the new protocol and evaluate its practical performance.

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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