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Technical Note

Blockchain Private File Storage-Sharing Method Based on IPFS

1
College of Information Science and Engineering, Xinjiang University, Urumqi 830046, China
2
Key Laboratory of Multilingual Information Technology in Xinjiang Uygur Autonomous Region, College of Information Science and Engineering, Xinjiang University, Urumqi 830046, China
*
Author to whom correspondence should be addressed.
Academic Editor: Francesco Longo
Sensors 2022, 22(14), 5100; https://doi.org/10.3390/s22145100
Received: 25 May 2022 / Revised: 18 June 2022 / Accepted: 4 July 2022 / Published: 7 July 2022
Under the current national network environment, anyone can participate in publishing. As an important information resource, knowledge files reflect the workload of publishers. Moreover, high-quality knowledge files can promote the progress of society. However, pirated inferior files have the opposite effect. At present, most organizations use centralized servers to centrally manage the knowledge files released by users. In addition, it is necessary to introduce an untrusted third party to examine and encrypt the contents of files, which leads to an opaque process of file storage transactions, tampering with intellectual copyright, and the inability to have consistent systems of file management among institutions due to the lack of uniform standards for the same intellectual files. The purpose of this paper is to ensure the safe storage of knowledge files on the one hand and to realize efficient sharing of copyrighted files on the other hand. Therefore, this paper combines NDN (Named Data Network) technology with a distributed blockchain and an Interplanetary File System (IPFS) and proposes a blockchain knowledge file storage and sharing method based on an NDN. The method uses the NDN itself for the file content signature and encryption, thereby separating the file security and transmission process. At the same time, the method uses a flexible NDN reverse path forwarding and routing strategy, combining an IPFS private storage network to improve the safety of the encrypted data storage security. Finally, the method takes advantage of all participating nodes consensus and shares files in the synchronized blockchain to ensure traceability. This paper introduces the structure and principles of the method and describes the process of file upload and transfer. Finally, the performance of the method is compared and evaluated, and the advantages and disadvantages of the method and the future research direction are summarized. View Full-Text
Keywords: blockchain; decentralization; NDN; IPFS; shared storage blockchain; decentralization; NDN; IPFS; shared storage
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MDPI and ACS Style

Kang, P.; Yang, W.; Zheng, J. Blockchain Private File Storage-Sharing Method Based on IPFS. Sensors 2022, 22, 5100. https://doi.org/10.3390/s22145100

AMA Style

Kang P, Yang W, Zheng J. Blockchain Private File Storage-Sharing Method Based on IPFS. Sensors. 2022; 22(14):5100. https://doi.org/10.3390/s22145100

Chicago/Turabian Style

Kang, Peng, Wenzhong Yang, and Jiong Zheng. 2022. "Blockchain Private File Storage-Sharing Method Based on IPFS" Sensors 22, no. 14: 5100. https://doi.org/10.3390/s22145100

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