关于实现能力的最佳文件大小 具有拜占庭耐药性的私人信息检索方案
Stanislav Kruglik1, Han Mao Kiah2, Son Hoang Dau3
1Department of Electrical and Photonics Engineering, Technical University of Denmark, 2800 Kongens Lyngby, Denmark.
Entropy (Basel, Switzerland)
|January 28, 2026
概括
本研究介绍了一种私人信息检索 (PIR) 方案,用于从密谋服务器检索文件. 新的PIR计划将下载成本和文件大小降至最低,即使服务器参与度不同.
科学领域:
- 计算机科学 计算机科学
- 密码学 密码学 密码学 密码学
- 信息理论 信息理论
背景情况:
- 设计安全的私人信息检索 (PIR) 方案对于数据隐私至关重要.
- 现有的PIR方案面临着与串联服务器和变化的网络条件 (拖延器) 的挑战.
研究的目的:
- 设计一种新的PIR方案,从k个共谋服务器中复制的n个文件中检索消息.
- 为了尽量减少下载成本和文件大小,同时确保消息隐私.
- 开发一个对滞后者有弹性的PIR方案,允许可变的服务器参与.
主要方法:
- 该研究提出了针对串联服务器量身定制的新PIR方案.
- 专注于最大限度地降低下载成本和优化文件大小.
- 扩展以前的会议结果,以适应落后者和可变的服务器号码.
主要成果:
- 拟议的PIR计划实现了最小的下载成本.
- 文件大小被最小化,与所涉及服务器的数量成比例.
- 介绍了一个处理不同数量的参与服务器的方案.
结论:
- 开发的PIR方案提供了有效和私密的信息从共谋服务器中获取信息.
- 这些方案对落后者有很强的抵抗力,增强了实际应用性.
- 这项工作推动了安全和成本效益高的PIR系统的设计.
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