基于区块链且可验证的智能电网多维数据聚合与分享方案

doi:10.11959/j.issn.1000-436x.2024010

通信学报 ›› 2024, Vol. 45 ›› Issue (1): 167-179.doi: 10.11959/j.issn.1000-436x.2024010

• 学术论文 • 上一篇

基于区块链且可验证的智能电网多维数据聚合与分享方案

陈建伟¹^,², 王姝妤¹^,², 张美平¹^,², 张桢萍¹^,²

¹ 福建师范大学计算机与网络空间安全学院，福建福州 350117
² 福建省网络安全与密码技术重点实验室，福建福州 350117

修回日期:2023-11-22 出版日期:2024-01-01 发布日期:2024-01-01
作者简介:陈建伟（1980- ），男，福建诏安人，博士，福建师范大学副教授、硕士生导师，主要研究方向为物联网、移动群感知计算、网络安全与隐私保护等
王姝妤（1996- ），女，山东德州人，福建师范大学硕士生，主要研究方向为物联网、隐私保护
张美平（1979- ），男，福建宁化人，福建师范大学副教授，主要研究方向为嵌入式系统、数据安全等
张桢萍（1979- ），女，福建连城人，福建师范大学讲师，主要研究方向为网络安全与隐私保护等
基金资助:
中央引导地方科技发展资金资助项目(2021L3032);福建省自然科学基金资助项目(2023J01296);国家自然科学基金资助项目(U1905211);福建省科技厅高校产学合作计划基金资助项目(2022H6025)

Blockchain-based and verifiable multidimensional data aggregation and sharing scheme for smart grid

Jianwei CHEN¹^,², Shuyu WANG¹^,², Meiping ZHANG¹^,², Zhenping ZHANG¹^,²

¹ College of Computer and Cyber Security, Fujian Normal University, Fuzhou 350117, China
² Fujian Provincial Key Laboratory of Network Security and Cryptology, Fuzhou 350117, China

Revised:2023-11-22 Online:2024-01-01 Published:2024-01-01
Supported by:
The Central Guidance on Local Science and Technology Development Fund(2021L3032);The Natural Science Foundation of Fujian Province(2023J01296);The National Natural Science Foundation of China(U1905211);The University-Industry Cooperation Project of Fujian Provincial Department of Scence and Technology(2022H6025)

摘要/Abstract

摘要：

针对如何支持轻量级多维数据聚合，实现系统整体过程中多维数据的双端完整性验证，以及处理云服务器集中化等问题，提出了一种基于区块链且可验证的智能电网多维数据聚合与分享方案。首先，为了满足智能电网对电量数据细粒度分析的需求，利用掩蔽值和霍纳法则实现了隐私保护多维数据聚合。在此基础上，针对现有数据聚合方案在云存储数据与第三方分享方面存在的数据完整性验证问题，借用基于 RSA 的乘法同态承诺方案和同态哈希函数的同态性设计了一种新的签名算法，使云服务器不仅可以验证聚合数据的完整性，还可以验证数据分享阶段的完整性，即实现了云存储数据的双端可验证性，并且可以抵抗内部攻击。同时，提出了一种基于联盟链多链的聚合数据分享体系结构，有效地避免单机处理瓶颈和易受攻击等集中化问题。理论分析证明了所提方案的安全性。性能实验表明，所提方案比已有方案具有更低的计算和通信成本。

关键词: 智能电网, 可验证, 云存储, 数据完整性, 区块链

Abstract:

Aiming at the problem that how to support lightweight multi-dimensional data aggregation, achieve double-end integrity verification of multi-dimensional data in the overall process of the system, and deal with the centralization of cloud servers, a blockchain-based and verifiable multidimensional data aggregation and sharing scheme for smart grid was proposed.Firstly, in order to meet the demand for fine-grained analysis of power data in smart grid, privacy-preserving multidimensional data aggregation was achieved by using masked values and Horner’s rule.On this basis, for the data integrity verification problem of the existing data aggregation scheme in the sharing of cloud storage data with the third party, a new signature algorithm was designed by borrowing the RSA-based multiplicative homomorphic commitment scheme and homomorphic hash function homomorphism, which enabled the cloud server to verify the integrity of aggregated data and be used for integrity verification in the data sharing phase, i.e., it achieved double-end verifiability of cloud storage data and was resistant to internal attacks.Meanwhile, an aggregated data sharing architecture based on federated chain multichain was proposed to effectively avoid centralisation problems such as single-machine processing bottleneck and vulnerability to attacks.The theoretical analysis proves the security of the scheme.Performance experiments show that the proposed scheme has lower computation and communication costs compared with existing schemes.

Key words: smart grid, verifiable, cloud storage, data integrity, blockchain

中图分类号:

TP393.1

陈建伟, 王姝妤, 张美平, 张桢萍. 基于区块链且可验证的智能电网多维数据聚合与分享方案[J]. 通信学报, 2024, 45(1): 167-179.

Jianwei CHEN, Shuyu WANG, Meiping ZHANG, Zhenping ZHANG. Blockchain-based and verifiable multidimensional data aggregation and sharing scheme for smart grid[J]. Journal on Communications, 2024, 45(1): 167-179.

图/表 8

图1

图2

表1

图3

表2

主要操作的运行时间"

符号	操作	运行时间/ms
T_M	G₁中的乘法运算操作	0.08
T_ECC	ECC中的放缩乘法操作	0.07
T_p	双线性配对操作	1.90
$T_{H_{1}}$	单向哈希操作	0.02
$T_{H_{2}}$	映射到点的哈希操作	0.65
$T_{N^{2}}$	$Z_{N^{2}}$ 中的求幂操作	0.37
T_exp	p中的求幂操作	0.03
T_m	双线性配对中的比例乘法操作	0.26

表2

图4

图5

图6

参考文献 26

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方案	用户端可验证性	云端可验证性	隐私性	一对多验证性	区块链技术	可公共验证	抗攻击性	轻量级验证
文献[11]方案	否	是	是	是	是	否	否	是
文献[16]方案	是	否	否	否	否	是	是	否
文献[17]方案	是	是	是	是	否	是	是	否
文献[18]方案	是	否	是	是	是	是	是	否
本文方案	是	是	是	是	是	是	是	是

基于区块链且可验证的智能电网多维数据聚合与分享方案

Blockchain-based and verifiable multidimensional data aggregation and sharing scheme for smart grid

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参考文献 26

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