基于云链融合的农业大数据安全治理模型研究

doi:10.19788/j.issn.2096-6369.000039

Abstract

Abstract:

The current agricultural production model in China is transitioning from traditional to smart agriculture. In response to the continuous expansion of data scale in various agricultural organizations and the problem of "Data Silos" in data sharing, it is difficult to gather agricultural data on a large scale to guide precise agricultural decision-making. This study is based on Cloud-Blockchain Integration and data security governance related technologies in distributed agriculture scenarios to solve the above-mentioned problems and explore their practical application effects. In a distributed agricultural scenario, based on IPFS, blockchain, and cloud computing, design an agricultural big data governance algorithm that can be deployed on smart contracts, construct a multi-party agricultural data aggregation model, as well as a complete, secure, traceable data protection model and typical scenario application model. Taking the agricultural production of Huaxing Farm and its affiliated agricultural organizations in Changji, Xinjiang as an example, further build a Cloud-Blockchain Integration agricultural big data platform. By comparing the performance of the agricultural big data governance model based on Cloud-Blockchain Integration with two traditional models, the experiment shows that the comprehensive performance of the model in this article can achieve a better balance and achieved better performance compared to the traditional models.

Key words: agricultural big data, agricultural data governance, cloud-blockchain integration, agricultural data aggregation, distributed learning security

YUE RuiJun, HE Liang, TANG MinRui, YAN Wei, LIU ShengQuan, YANG WanXia, SUN WeiHong, HUANG YongFeng. Agri-CBI: Agricultural Big Data Security Governance Model Leveraging Cloud-Blockchain Integration[J].Journal of Agricultural Big Data, 2024, 6(3): 333-350.

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实体	实体表示	功能	实体代表
数据生产者	DP	直接产生数据	采集的传感、气象等数据的感知设备
数据服务者	DS	聚合DP产生的数据	对DP数据进行聚合的实体或服务
数据所有者	DO	对数据签名、验证、加密、访问控制等	农业组织、机构等参与方，记作 DO_i
数据使用者	DU	对数据进行验证、解密获取数据等	农业组织机构等参与方，记作DU_i，一般情况下DO_i ≠ DU_i
共识节点	DC	对区块进行共识验证	数据共识验证节点
数据监管者	DR	对数据业务监测、验证，参与数据计算	数据监管节点
智能合约	SC	部署模型，为区块数据业务提供接口	部署模型的智能合约程序
区块链网络	BN	记录数据块的哈希值、存储隐私数据，实现数据追溯等	农业联盟链
云服务提供者	CSP	数据计算、存储、服务和业务的载体	承载IPFS、数据库、区块链、与云计算等的云服务提供方
数据库	DB	存储数据与元数据	数据库存储集群

数据治理模型			累积响应时间（秒）			完整性验证	安全性验证
数据治理模型			DO共享数据	DU请求数据	数据权限变更	完整性验证	防隐私泄漏	防源数据篡改	数据可信追溯	防第三方攻击
云	——		0.1931	0.1161	×	×	×	×	×	×
	仅数据签名		0.4607	0.3379	×	√	×	√	×	×
	仅对称加密		13.2970	13.3571	×	×	√	×	×	×
	仅属性基加密		2.6670	0.6454	3.3124	×	√	×	×	×
	数据签名	对称加密	13.5645	13.5789	×	√	√	√	×	×
	数据签名	属性基加密	2.9345	0.8672	3.8018	√	√	√	×	×
链	——		7.3215	9.5297	×	×	×	×	√	×
	仅数据签名		7.5877	9.7681	×	√	×	√	√	√
	仅对称加密		19.9164	25.5682	×	×	√	×	√	√
	仅属性基加密		9.8086	10.3423	20.1509	×	√	×	√	√
	数据签名	对称加密	20.1826	25.8065	×	√	√	√	√	√
	数据签名	属性基加密	10.0748	10.5806	20.6554	√	√	√	√	√
云链融合		密文访问控制	5.3831	2.3675	7.2466	√	√	√	√	√
云链融合		密钥访问控制	18.1988	15.8659	4.9548	√	√	√	√	√

Agri-CBI: Agricultural Big Data Security Governance Model Leveraging Cloud-Blockchain Integration

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