基于私有云区块链的农业网络安全系统设计

Design of Agricultural Network Security System Based on Private Cloud Blockchain

随着农业信息化、现代化及智能化水平的不断提升,不同农业生产地区需要根据实际情况制定地区农业信息网络安全,保证农业数据的完整性与隐私性。物联网(IoT)设备在农业中采样数据的安全性非常重要,任何恶意篡改或破坏都可能导致错误决策并造成不可估计的经济损失。针对以上问题,设计了一种基于IPFS存储的双区块链解决方案,用于物联网网络中的农业采样数据安全性的保护,系统可以通过预言机制检索完整的数据段;同时,设计了一种基于Ethereum技术的区块链—农业样本数据链(ASDC),基于以太坊技术改进了Merkle Patricia Trie(MPT)的每类采样数据的账户,数据在ASDC中以区块形式存储后,会生成区块散列并上传到以太坊主链,以保持公开记录,防止发生恶意攻击。系统测试结果表明:此方法比云存储和仅区块链存储消耗的时间更短,且可以满足网络安全的要求。

With the increasing level of agricultural informatization,modernization and intelligence,different agricultural production regions need to develop regional agricultural information network security according to the actual situation to ensure the integrity and privacy of agricultural data.The security of data sampled by Internet of Things(IoT)devices in agriculture is very important because any malicious tampering or destruction may lead to wrong decisions and cause incalculable losses.To address the above issues,this study designs a dual blockchain solution based on IPFS storage for the protection of agricultural sampling data security in IoT networks,where the system can retrieve complete data segments through a prophecy machine mechanism,and designs an Ethereum technology-based blockchain-agricultural sample data chain(ASDC)based on Ether technology and improves the account of each type of sampled data in Merkle Patricia Trie(MPT).After the data is stored as blocks in ASDC,a block hash is generated and uploaded to the Ethernet master chain to maintain a public record in case of malicious attacks.The results of testing the system show that the method has less time consumption than cloud storage and blockchain-only storage,and also meets the requirements of cybersecurity.