A Secure Data Sharing Platform Using Blockchain and Interplanetary File System

被引:137
作者
Naz, Muqaddas [1 ]
Al-zahrani, Fahad A. [2 ]
Khalid, Rabiya [1 ]
Javaid, Nadeem [1 ]
Qamar, Ali Mustafa [3 ,4 ]
Afzal, Muhammad Khalil [5 ]
Shafiq, Muhammad [6 ]
机构
[1] COMSATS Univ Islamabad, Dept Comp Sci, Islamabad 44000, Pakistan
[2] Umm AlQura Univ, Dept Comp Engn, Mecca 24381, Saudi Arabia
[3] Qassim Univ, Dept Comp Sci, Coll Comp, Buraydah 51452, Saudi Arabia
[4] Natl Univ Sci & Technol, Sch Elect Engn & Comp Sci, Islamabad 44000, Pakistan
[5] COMSATS Univ Islamabad, Dept Comp Sci, Wah Cantonment 47040, Pakistan
[6] Yeungnam Univ, Dept Informat & Commun Engn, Gyongsan 38541, South Korea
基金
新加坡国家研究基金会;
关键词
blockchain; IPFS; AES; RSA; TTP; SSS; Ethereum; smart contracts; ETHEREUM BLOCKCHAIN; SCHEME; FRAMEWORK;
D O I
10.3390/su11247054
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
In a research community, data sharing is an essential step to gain maximum knowledge from the prior work. Existing data sharing platforms depend on trusted third party (TTP). Due to the involvement of TTP, such systems lack trust, transparency, security, and immutability. To overcome these issues, this paper proposed a blockchain-based secure data sharing platform by leveraging the benefits of interplanetary file system (IPFS). A meta data is uploaded to IPFS server by owner and then divided into n secret shares. The proposed scheme achieves security and access control by executing the access roles written in smart contract by owner. Users are first authenticated through RSA signatures and then submit the requested amount as a price of digital content. After the successful delivery of data, the user is encouraged to register the reviews about data. These reviews are validated through Watson analyzer to filter out the fake reviews. The customers registering valid reviews are given incentives. In this way, maximum reviews are submitted against every file. In this scenario, decentralized storage, Ethereum blockchain, encryption, and incentive mechanism are combined. To implement the proposed scenario, smart contracts are written in solidity and deployed on local Ethereum test network. The proposed scheme achieves transparency, security, access control, authenticity of owner, and quality of data. In simulation results, an analysis is performed on gas consumption and actual cost required in terms of USD, so that a good price estimate can be done while deploying the implemented scenario in real set-up. Moreover, computational time for different encryption schemes are plotted to represent the performance of implemented scheme, which is shamir secret sharing (SSS). Results show that SSS shows the least computational time as compared to advanced encryption standard (AES) 128 and 256.
引用
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页数:24
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