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- W3087335979 abstract "Although the data trading platform has accelerated the flow of data, the current data trading platform still has many problems. According to the characteristics of the blockchain technology, from the aspects of the attack behavior in the blockchain and the security application of the blockchain technology in power transactions, this paper studies the security of the blockchain. Moreover, this article focuses on the privacy protection of the ciphertext strategy in the CP-ABE scheme, and protects the privacy information of the access strategy by designing appropriate ciphertext and key structures and access structure forms. In addition, the system efficiency is improved by computing outsourcing, and solutions to problems in outsourcing computing are proposed. Meanwhile, two efficient and flexible support policy hidden multi-authorization center access control schemes are constructed. Finally, this study analyzes the performance of the model through controlled experiments. The research results show that this scheme has excellent performance." @default.
- W3087335979 created "2020-09-25" @default.
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- W3087335979 date "2021-02-02" @default.
- W3087335979 modified "2023-10-12" @default.
- W3087335979 title "Data security sharing method based on CP-ABE and blockchain" @default.
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- W3087335979 doi "https://doi.org/10.3233/jifs-189318" @default.
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