STAIBT: Blockchain and CP-ABE Empowered Secure and Trusted Agricultural IoT Blockchain Terminal
文献类型： 外文期刊
作者： Zhang, Guofeng 1 ; Chen, Xiao 2 ; Zhang, Lei 3 ; Feng, Bin 1 ; Guo, Xuchao 4 ; Liang, Jingyun 5 ; Zhang, Yanan 6 ;
作者机构： 1.Taishan Univ, Sch Informat Sci & Technol, Tai An, Shandong, Peoples R China
2.Taishan Univ, Sch Econ & Management, Tai An, Shandong, Peoples R China
3.Shandong Acad Macroecon Res, Jinan, Shandong, Peoples R China
4.China Agr Univ, Coll Informat & Elect Engn, Beijing, Peoples R China
5.Shandong Acad Agr Sci, Lab Quality & Safety Risk Assessment Agroprod, Minist Agr Jinan, Inst Qual Stand & Testing Technol Agroprod, Jinan, Shandong, Peoples R China
6.Univ Jinan, Sch Informat Sci & Engn, Jinan, Shandong, Peoples R China
关键词： Agricultural Internet Of Things; Blockchain; Ciphertext-Policy Attribute-Based Encryption(CP-ABE); Data Security; Privacy Protection
期刊名称：INTERNATIONAL JOURNAL OF INTERACTIVE MULTIMEDIA AND ARTIFICIAL INTELLIGENCE （ 影响因子：4.936； 五年影响因子：3.73 ）
ISSN： 1989-1660
年卷期： 2022 年 7 卷 5 期
页码：
收录情况： SCI
摘要： The integration of agricultural Internet of Things (IoT) and blockchain has become the key technology of precision agriculture. How to protect data privacy and security from data source is one of the difficult issues in agricultural IoT research. This work integrates cryptography, blockchain and Interplanetary File System(IPFS) technologies, and proposes a general IoT blockchain terminal system architecture, which strongly supports the integration of the IoT and blockchain technology. This research innovatively designed a fine-grained and flexible terminal data access control scheme based on the ciphertext-policy attribute-based encryption(CP-ABE) algorithm. Based on CP-ABE and DES algorithms, a hybrid data encryption scheme is designed to realize 1-to-N encrypted data sharing. A "horizontal + vertical" IoT data segmentation scheme under blockchain technology is proposed to realize the classified release of different types of data on the blockchain. The experimental results show that the design scheme can ensure data access control security, privacy data confidentiality, and data high-availability security. This solution significantly reduces the complexity of key management, can realize efficient sharing of encrypted data, flexibly set access control strategies, and has the ability to store large data files in the agricultural IoT.
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