[1]伍德伦,饶元.基于身份验证的果蔬区块链信息存储溯源模型设计[J].江苏农业学报,2023,(02):434-443.[doi:doi:10.3969/j.issn.1000-4440.2023.02.016]
　WU De-lun,RAO Yuan.Design of storage and traceability model of fruits and vegetables blockchain information based on authentication[J].,2023,(02):434-443.[doi:doi:10.3969/j.issn.1000-4440.2023.02.016]
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基于身份验证的果蔬区块链信息存储溯源模型设计()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2023年02期
页码:
434-443
栏目:
农业信息工程
出版日期:
2023-04-30

文章信息/Info

Title:
Design of storage and traceability model of fruits and vegetables blockchain information based on authentication
作者:
伍德伦1; 2; 饶元1; 2
（1.安徽农业大学信息与计算机学院，安徽合肥230036；2.智慧农业技术与装备安徽省重点实验室，安徽合肥230036）
Author(s):
WU De-lun1; 2; RAO Yuan1; 2
(1.School of Information and Computer， Anhui Agricultural University, Hefei 230036,China;2.Anhui Key Laboratory of Smart Agricultural Technology and Equipment, Hefei 230036,China)
关键词:
区块链; 果蔬; 溯源; 存储优化; 身份验证
Keywords:
blockchain; fruits and vegetables; traceability; storage optimization; authentication
分类号:
TP309.2;TS207.7
DOI:
doi:10.3969/j.issn.1000-4440.2023.02.016
文献标志码:
A
摘要:
现有的果蔬溯源系统中，物联网数据采集设备身份验证机制不完善，果蔬数据传输效率不高，且无法保证数据在存储于区块链前未被篡改。构建了基于身份验证的果蔬区块链信息存储溯源模型，对模型进行分析后，首先提出果蔬供应链数据流动模型，通过物联网设备将采集的数据存储于星际文件系统(Interplanetary file system，IPFS)，环节数据存储完成后，系统将IPFS返回的哈希值存入区块链网络，提高了数据的安全性；其次设计了果蔬供应链数据传输流程，提高了果蔬数据传输效率；最后利用Blake2改进型Ed25519算法实现了物联网设备的身份验证机制，提高了系统的安全性。在此基础上设计了基于身份验证的果蔬区块链信息存储溯源系统，并在某果蔬企业进行了实际应用，进行相关测试后发现，本系统的全供应链数据存储平均耗时4.738 s，数据查询平均耗时0.452 s。测试结果表明，此系统可在保障数据安全的前提下，提高用户的溯源速度，可为果蔬溯源系统的设计与研发提供参考。
Abstract:
In the existing traceability system for fruits and vegetables, the authentication mechanism of data collection equipment of the internet of things (IoT) is not perfect, the transmission efficiency of fruits and vegetables data is not high, and there is no guarantee that the data are not tampered before being stored in the blockchain. A storage and traceability model of blockchain information of fruits and vegetables based on authentication was constructed. Firstly, a data flow model of fruits and vegetables supply chain was proposed after the model was analyzed. The collected data were stored in interplanetary file system (IPFS) through the IoT devices in each link. After the link data were stored, the system stored the Hash value returned from IPFS into the blockchain network, which improved the security of the data. Secondly, the data transmission process of fruits and vegetables supply chain was designed, and the efficiency of data transmission was improved. Finally, the authentication mechanism of IoT devices was implemented by using Blake2 improved Ed25519 algorithm, which improved the security of the system. On the above basis, a blockchain information storage and traceability system for fruits and vegetables based on authentication was designed and applied in a fruits and vegetables enterprise. After relevant tests, it was found that the system took an average of 4.738 s for the whole supply chain data storage and 0.452 s for the data query. The test results revealed that, the system designed in the study can improve the traceability speed of users on the premise of ensuring data security, and can provide reference for the design and development of fruits and vegetables traceability system.

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备注/Memo

备注/Memo:
收稿日期：2022-04-14 基金项目：安徽省重点研究和开发计划项目（201904a06020056)；安徽省自然科学基金项目（2008085MF203）作者简介：伍德伦(2000-)，男，安徽池州人，本科，主要从事农业物联网、区块链技术研究。（E-mail）3195949821@qq.com 通讯作者：饶元， （E-mail）raoyuan@ahau.edu.cn
更新日期/Last Update: 2023-05-12