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无可信第三方的数据匿名化收集协议

周治平 李智聪

周治平, 李智聪. 无可信第三方的数据匿名化收集协议[J]. 电子与信息学报, 2019, 41(6): 1442-1449. doi: 10.11999/JEIT180595
引用本文: 周治平, 李智聪. 无可信第三方的数据匿名化收集协议[J]. 电子与信息学报, 2019, 41(6): 1442-1449. doi: 10.11999/JEIT180595
Zhiping ZHOU, Zhicong LI. Data Anonymous Collection Protocol without Trusted Third Party[J]. Journal of Electronics & Information Technology, 2019, 41(6): 1442-1449. doi: 10.11999/JEIT180595
Citation: Zhiping ZHOU, Zhicong LI. Data Anonymous Collection Protocol without Trusted Third Party[J]. Journal of Electronics & Information Technology, 2019, 41(6): 1442-1449. doi: 10.11999/JEIT180595

无可信第三方的数据匿名化收集协议

doi: 10.11999/JEIT180595
详细信息
    作者简介:

    周治平:男,1962 年生,博士,教授,研究方向为检测技术与自动化装置、信息安全等

    李智聪:男,1992 年生,硕士生,研究方向为物联网安全认证

    通讯作者:

    周治平 zzp@jiangnan.edu.cn

  • 中图分类号: TP309.2

Data Anonymous Collection Protocol without Trusted Third Party

  • 摘要: 针对半诚信的数据收集者对包含敏感属性(SA)数据收集和使用过程中可能造成隐私泄露问题,该文在传统模型中增加实时的数据领导者,并基于改进模型提出一个隐私保护的数据收集协议,确保无可信第三方假设前提下,数据收集者最大化数据效用只能建立在K匿名处理过的数据基础上。数据拥有者分布协作的方式参与协议流程,实现了准标识(QI)匿名化后SA的传输,降低了数据收集者通过QI关联准确SA值的概率,减弱内部标识揭露造成隐私泄露风险;通过树形编码结构将SA的编码值分为随机锚点和补偿距离两份份额,由K匿名形成的等价类成员选举获取两个数据领导者,分别对两份份额进行聚集和转发,解除唯一性的网络标识和SA值的关联,有效防止外部标识揭露造成的隐私泄露;建立符合该协议特性的形式化规则并对协议进行安全分析,证明了协议满足隐私保护需求。
  • 图  1  树形编码结构图

    图  2  参与实体的模型结构

    图  3  协议有向图

    图  4  属性域尺寸和编码长度的关系

    图  5  属性域尺寸和敌手获胜概率

    表  1  阶段1协议步骤

      (1) for ${U_i} \in \text{U}$, $1 \le i \le N$ do
         ${U_i}$发送${Q_i}$给${\rm{DC}}$.
      (2) ${\rm{DC}}$通过K匿名将$Q$泛化为$G$
        for ${G_j} \in \text{G}$, $1 \le j \le M$ do
      (3) for ${G_j}$中元组对应的${U_k}$, $1 \le k \le K$ do
         ${\rm{DC}}$向${U_k}$发送${G_j}$
         if 每个${U_k}$验证${G_j}$是有效,进入阶段2
         else 终止协议
    下载: 导出CSV

    表  2  阶段2协议步骤

      (1) for $ {G_j} \in \text{G}$, $ 1 \le j \le M$ do
         随机选取领导者$ L_1^j$和$ L_2^j$
         for $ {G_j}$中元组对应的$ {{U}_{k}}$, $ 1 \le k \le K$ do
          发送$ ({G_j},{R_k})$和$ ({G_j},{D_k})$分别给$ L_1^j$和$ L_2^j$
      (2) $ L_1^j$和$ L_2^j$分别聚集$ ({G_j},{R_k})$和$ ({G_j},{D_k})$列表的给$ {\rm{DC}}$
      (3) for $ 1 \le i \le N$ do
         $ {\rm{DC}}$计算$ {W_i}{\rm{ = }}{R_i} \oplus {D_i}$
      (4) 搜索$ {W_i}$映射的$ {S_i}$得到数据列表$ (\text{G},\text{S})$
    下载: 导出CSV
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出版历程
  • 收稿日期:  2018-06-19
  • 修回日期:  2019-03-04
  • 网络出版日期:  2019-03-25
  • 刊出日期:  2019-06-01

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