What is it about?
In this paper, we propose a cloud-assisted Secure Conjunctive Publish/Subscribe protocol (SCPS) to challenge the encrypted data-based P/S service on AMI servers. To overcome the data burst, the P/S computation tasks are shifted from AMI servers to cloud. To support conjunctive P/S operations in a reasonable ACM, a prefix-based membership verification algorithm combining with the ciphertext policy attribute-based encryption is explored.
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Why is it important?
The huge amount of data can produce a data burst problem on AMI servers, which may lead to serious server crash. Moreover, for protecting data security, sensitive data must be encrypted before being published. It obstacles traditional data utilization based on plaintext P/S service. Thus, enabling an encrypted data-based P/S service is of paramount importance.
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This page is a summary of: A Secure Conjunctive Publish/Subscribe Service with Fine-Grained Authorization in Smart Grids, IET Information Security, March 2020, the Institution of Engineering and Technology (the IET), DOI: 10.1049/iet-ifs.2019.0086.
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