Blockchain-based ciphertext access control for data sharing using key encapsulation mechanism

The article presents a plan for distributing access control and data sharing through CP-ABE. This plan allows for provable security and privacy protection without requiring authorization agencies. The main key of the CP-ABE algorithm is managed in a distributed manner based on blockchain through pro...

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Vydáno v:2023 International Conference on Blockchain Technology and Information Security (ICBCTIS) s. 46 - 53
Hlavní autoři: Feng, Yashi, Zhao, Jinyi, Chen, Taowei, Yu, Yimin
Médium: Konferenční příspěvek
Jazyk:angličtina
Vydáno: IEEE 01.06.2023
Témata:
access control
attribute-based encryption
Authorization
blockchain
Blockchains
Data privacy
data sharing
Encapsulation
Information security
Privacy
proxy key encapsulation
System performance
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Shrnutí:The article presents a plan for distributing access control and data sharing through CP-ABE. This plan allows for provable security and privacy protection without requiring authorization agencies. The main key of the CP-ABE algorithm is managed in a distributed manner based on blockchain through proxy key encapsulation technology, and a blockchain dual-chain model is adopted to improve system performance and security. At the same time, the block structure and data format specifications are designed to achieve on-chain supervision with traceable management and operational behavior of the PKEM-CPABE algorithm. Experimental simulation analysis shows that the proposed algorithm achieves an efficient and secure sharing mechanism while protecting data privacy.
DOI:10.1109/ICBCTIS59921.2023.00014