网络与信息安全学报 ›› 2020, Vol. 6 ›› Issue (3): 14-18.doi: 10.11959/j.issn.2096-109x.2020032

• 专栏:隐私保护新技术探索 • 上一篇    下一篇

基于差分隐私保护技术的多方求和查询方法

何贤芒()   

  1. 东莞理工学院网络空间安全学院,广东 东莞 623808
  • 修回日期:2020-02-22 出版日期:2020-06-01 发布日期:2020-07-01
  • 作者简介:何贤芒(1981- ),男,浙江三门人,东莞理工学院副教授,主要研究方向为数据安全与隐私保护
  • 基金资助:
    国家自然科学基金(61672303);广东省普通高校特色创新项目(2018KTSCX221)

Multi-party summation query method based on differential privacy

Xianmang HE()   

  1. School of Cyberspace Science,Dongguan University of Technology,Dongguan 623808,China
  • Revised:2020-02-22 Online:2020-06-01 Published:2020-07-01
  • Supported by:
    The National Natural Science Foundation of China(61672303);Characteristic Innovation Projects of Universities in Guangdong Province,China(2018KTSCX221)

摘要:

差分隐私保护技术因其不需要攻击者先验知识的假设,而被认为是一种非常可靠的保护机制。然而,差分隐私保护技术很少在多方环境下使用。鉴于此,将差分隐私保护技术用于多方环境下数据求和查询问题,详细讨论了如何通过加入噪声的方法来实现数据的保护,并证明该方法安全性。

关键词: 多方求和, 隐私保护, 差分隐私, 数据查询

Abstract:

Differential privacy is considered to be a very reliable protection mechanism because it does not require the a prior knowledge for the attacker.However,differential privacy is rarely used in a multi-party environment.In view of this,the differential privacy is applied to the data summation query in multi-party environment.This method was described in detail and proved the security of the method.

Key words: multi-party summation, privacy preservation, differential privacy, data query

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