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Blockchain-Based Searchable Encryption Scheme With Fair Payment
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DOI：10.1109/ACCESS.2020.3002264.png)
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摘要
En 中文
In order to solve the problem that most of the existing blockchain-based searchable encryption schemes only support exact keyword search and mutual distrust between the cloud server and the user, a searchable encryption scheme based on blockchain, that has functions such as file update dynamically, search results verification, fuzzy keyword search, and fair payment, is proposed. We use edit distance to generate the fuzzy keywords set. According to the un-modification characteristic of Ethereum blockchain and the security of the RSA accumulator, our scheme can verify the search results by the smart contract and realize the service-payment fairness between the user and the cloud server. The security analysis shows that the proposed scheme achieves non-adaptive semantic security. Performance analysis and experiment show that our scheme is efficient and meets the demand of search application in the cloud environment.
Keyword:
Encryption
Servers
Cloud computing
Keyword search
Blockchain
Search problems
Ethereum blockchain
fuzzy keyword search
fair payment
searchable encryption
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期刊
IF:
3.6
论文数:
9.8W
被引数:
29.4W
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引用论文
分享收藏分享收藏Verifiable Public Key Encryption With Keyword Search Based on Homomorphic Encryption in Multi-User Setting多用户环境下基于同态加密的关键字搜索可验证公钥加密.png)
IEEE ACCESSOAAI
IEEE ACCESSIF3.6
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