基于区块链的数据安全共享与受控分发技术研究与实现

doi:10.3969/j.issn.1671-1122.2022.02.007

摘要/Abstract

摘要：

数据共享与数据分发是社会发展的必然趋势,与此同时,由数据共享引发的安全问题同样需要关注。区块链具有可溯源、不可篡改的特性,可以有效解决传统数据共享与分发方案带来的单点故障问题,同时保护数据安全。文章提出一种基于区块链和密码学的数据安全共享与受控分发模型,模型包括数据上传算法、数据共享算法和数据分发算法,采用IPFS存储数据,利用区块链记录数据从上传到共享与分发的整个过程,具有良好的可追溯性,可充分保障数据的安全。

关键词: 区块链, 数据共享, 数据分发, IPFS

Abstract:

Data sharing and data distribution is the inevitable trend of social development. Meanwhile the security issues caused by data sharing also need to be concerned. Blockchain has the characteristics of traceability and non-tampering, which can effectively solve the single point of failure problem caused by the traditional data sharing and distribution scheme, and protect the data security at the same time. This paper proposed a data security sharing and controlled distribution model based on blockchain and cryptography, including data upload algorithm, data sharing algorithm and data distribution algorithm. IPFS is used to store data, and blockchain is used to record the whole process of data from upload to sharing and distribution, which traceable and fully ensures the security of data.

Key words: blockchain, data sharing, data distribution, IPFS

中图分类号:

TP309

侯雨桐, 马兆丰, 罗守山. 基于区块链的数据安全共享与受控分发技术研究与实现[J]. 信息网络安全, 2022, 22(2): 55-63.

HOU Yutong, MA Zhaofeng, LUO Shoushan. Research and Implementation of Data Security Sharing and Controlled Distribution Technology Based on Blockchain[J]. Netinfo Security, 2022, 22(2): 55-63.

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名称	数据
处理器	Intel(R) Core(TM) i5-8300H CPU @2.30 GHz 2.30 GHz
内存	8 GB
操作系统	Windows10, Tomcat 9

名称	数据
Java	Java version "1.8.0_241"
开发工具	IntelliJ IDEA 2020.3 (Ultimate Edition)
数据库	MySQL Ver 14.14 Distrib 5.6.41, for Win64 (x86_64)
虚拟机	Oracle VM VirtualBox 6.1.2

名称	数据
处理器	Intel(R) Core(TM) i5-8300H CPU @2.30 GHz 2.30 GHz
内存	8 GB
虚拟机	Oracle VM VirtualBox 6.1.2
区块链服务器	Memory: 2GB, OS: Ubuntu16.0
系统服务器	Windows10, Tomcat 9
客户端	Windows10
区块链架构	Hyperledger Fabric 2.2

分类	字段	含义	值
区块信息	CurrentBlockHash	区块哈希	1b5486745b2ddb82e9598574b9945f0dd7753a1c36f2944579d1c9632bb78590
	Peer	上链节点	peer0.org2.example.com
	BlockNumber	区块高度	90
	PreviousBlockHash	前一区块哈希	5144e8ca96387e19baf5bb85a0d9afd7ba950528c4301732371a849f7a5520e9
	DataHash	数据哈希	ae58673b000393ff47d9b8889db5e6612e8d83aff59e11ff15f14096419ef09e
	TransactionCount	交易数量	1
交易信息	ChannelName	通道名	bupt
	Payload	交易内容	[{"field1":"环境保护","field2":"+FHvcooP/yPPHxi06q6FMg==","field3":"2021-3-8","field4":"t4Nqt5825y5FRNRCE++eUw==","field5":"中国","field6":"PC端","field7":"环境保护","field8":"环境保护","dataHash":"45956d339a45f7003182663e56d85b559e8c024fc278b3aa92097d92e249fada"} ]
	TimeStamp	时间戳	2021/03/08 11:21:02
	TransactionID	交易ID	6ac91ff901b715d1591d888c898756e4b22a355978765aec64a953783c30c237

分类	字段	含义	值
区块信息	CurrentBlockHash	区块哈希	c812d1fd38276dbb24475755075e7fed240895cb78320b069e427a55810e0a8d
	Peer	上链节点	peer0.org2.example.com
	BlockNumber	区块高度	91
	PreviousBlockHash	前一区块哈希	1b5486745b2ddb82e9598574b9945f0dd7753a1c36f2944579d1c9632bb78590
	DataHash	数据哈希	99b876aa82952a45954ef850d95d3a0d94b4aa897c512931282d4d25a407cd33
	TransactionCount	交易数量	4
交易信息	ChannelName	通道名	bupt
	Payload	交易内容	"Name":”环境保护", "Size":”393.2MB", "Category":”数据共享测试", "HostIP":”192.168.1.106", "DownloadSpeed":”1.7MB", "UploadSpeed":”0B", "SourceIP":”252.85.53.133 \| 37.66.94.1 \| 27.54.83.229 \| 116.33.172.225 \| 149.102.206.151"
	TimeStamp	时间戳	2021/03/08 11:25:08
	TransactionID	交易ID	cadadadb56e76faebd77c9083384ff68d732c48fb4c69081fe41ab63cf715b19