面向智能电表隐私保护的电量请求方案

田秀霞; 李丽莎; 赵传强; 田福粮; 宋谦

doi:10.3969/j.issn.1000-5641.2017.05.009

面向智能电表隐私保护的电量请求方案

doi: 10.3969/j.issn.1000-5641.2017.05.009

1.
上海电力学院计算机科学与技术学院, 上海 200090
2.
华东师范大学数据科学与工程研究院, 上海 200062
3.
国网浙江玉环市供电公司, 浙江台州 317600
4.
上海电力学院电子与信息工程学院, 上海 200090

基金项目:

国家自然科学基金重点项目 61532021

国家自然科学基金面上项目 61772327

上海市科学技术委员会地方能力建设项目 15110500700

详细信息

作者简介:
田秀霞, 女, 教授, 硕士生导师, 研究方向为数据库安全、隐私保护、基于密码学的访问控制.E-mail:xxtian@shiep.edu.cn

中图分类号: TP309
计量
- 文章访问数: 185
- HTML全文浏览量: 91
- PDF下载量: 298
- 被引次数: 0
出版历程
- 收稿日期: 2017-06-20
- 刊出日期: 2017-09-25

Smart meter:Privacy-preserving power request scheme

1.
College of Computer Science and Technology, Shanghai University of Electric Power, Shanghai 200090, China
2.
School of Data Science and Engineering, East China Normal University, Shanghai 200062, China
3.
State Grid Zhejiang Yuhuan Power Supply Company, Taizhou Zhejiang 317600, China
4.
College of Electronic and Information Engineering, Shanghai University of Electric Power, Shanghai 200090, China

摘要

摘要: 运通过有效融合Shamir（t，n）门限密钥共享方案和Laplace噪音干扰算法提出了一种面向智能电表隐私保护的电量请求方案，实现电力公司分时电价计费的同时保护用户隐私.定量分析了安全性并确定了最优门限值t的选择、测试分析了时间效率、验证分析了Laplace噪音干扰的ε-差分隐私保护效果并作了方案的可行性比较.实验结果表明，提出的方案具有有效性和可行性.
- 智能电表 /
- 隐私保护 /
- 密钥共享 /
- Laplace噪音
Abstract: A privacy-preserving power request scheme was proposed. The proposed scheme combined Shamir (t, n) threshold secret sharing scheme with Laplace noise perturbation algorithm effectively to achieve paying TOU billing as well as protecting user privacy. Experiments were performed from four aspects:analyzing the security quantitatively and determining the optimal threshold t, giving the experiment on efficiency test, verifying the ε-differential privacy by introducing the Laplace noise perturbation and conducting the scheme feasibility comparison. Experimental results show that the proposed scheme is effective and feasible.
- smart meter /
- privacy-preserving /
- secret sharing /
- Laplace noise

HTML全文

图 1 系统模型

Fig. 1 System mode

下载: 全尺寸图片幻灯片

图 2 密钥 $K$ 恢复的时间

Fig. 2 The recovery time of $K$

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图 3 密钥 $K$ 的安全性

Fig. 3 The security of $K$

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图 4 加解密时间

Fig. 4 Encrption and decrptin time

下载: 全尺寸图片幻灯片

图 5 干扰前后数据的对比

Fig. 5 The comprison between the original data and the disturbed data

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图 6 环签名和PPC生成耗时的对比

Fig. 6 The comparison of generation time between ring signature and PPC

下载: 全尺寸图片幻灯片

表 1 字符含义

Tab. 1 The definition of characters

字符	含义
$M$	智能电表
$A_i$	第 $i$ 个电力公司
$U$	用户
$K$	Shamir $(t,n)$ 门限密钥共享方案的密钥
$Pub_R/Pri_R$	实体 $R$ 的公钥/私钥
$A_i/U$	表示电力公司或用户
$E_{Pub_R}(J)$	表示用实体 $R$ 的公钥加密信息 $J$
$D_W(J)$	表示用密钥 $W$ 解密信息 $J$
$Sig_{Pri_R}$	表示实体 $R$ 的签名
$J\|Q$	表示信息 $J$ 和信息 $Q$ 的连接, 无实质意义

下载: 导出CSV

参考文献(29)

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