Research on the Application of Digital Education Resource Data Security Sharing Based on Blockchain and Access Control

Proceedings of the 2022 6th International Conference on Electronic Information Technology and Computer Engineering Pub Date : 2022-10-21 DOI:10.1145/3573428.3573639

Jiao Peng, Shulin Yang, Xiang Li, Meiqi Zhou, Yongliang Huang

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Abstract

With the rapid development of online education, the security sharing of digital education resources has become a hot topic. Blockchain technology is difficult to be tampered with, decentralized and other characteristics, suitable for protecting the copyright of digital education resources, but the on-chain data is transparent and open, there are hidden dangers of on-chain data security. Secondly, blockchain has limited storage capacity and is not suitable for storing a large number of digital educational resources. The education resource access control model proposed in this paper combines distributed file system with blockchain, which stores the summary information of education resource data. Based on the one-to-many sharing scenario of digital education resources, Ciphertext-Policy Attribute Based Encryption is adopted to implements fine-grained access control. Based on the storage demand of massive education data, IPFS is used to distribute all kinds of digital education resource files to share the storage pressure of blockchain.

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基于区块链和访问控制的数字教育资源数据安全共享应用研究

随着在线教育的快速发展，数字教育资源的安全共享已成为一个热门话题。区块链技术具有难以篡改、去中心化等特点，适合保护数字教育资源的版权，但链上数据透明开放，存在链上数据安全隐患。其次，区块链存储容量有限，不适合存储大量的数字教育资源。本文提出的教育资源访问控制模型将分布式文件系统与区块链相结合，存储教育资源数据的汇总信息。针对数字教育资源的一对多共享场景，采用基于密文-策略属性的加密技术，实现细粒度的访问控制。基于海量教育数据的存储需求，采用IPFS来分发各类数字教育资源文件，分担区块链的存储压力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Proceedings of the 2022 6th International Conference on Electronic Information Technology and Computer Engineering

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