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Efficient Revocable Attribute-Based Encryption With Verifiable Data Integrity
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AI
DOI：10.1109/JIOT.2023.3325996.png)
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摘要
En 中文
Nowadays, cloud computing and cloud storage services that can reduce the local workload are becoming increasingly popular, allowing individual and corporate users to upload data to the cloud. Since the user's permissions in the system are not immutable, the users should have dynamic access. Revocation of users who have been granted access to data is also a strong need for cloud computing systems. In addition, we should ensure the data integrity after the cloud server performs a revocation. To address the above issues, we propose a revocable attribute-based encryption scheme that protects the data integrity (RABE-DI). Our scheme is more efficient compared with existing RABE-DI schemes. In addition, we prove the semantic security and integrity of the scheme. Experimental result shows that the similar scheme is not as efficient as ours.
Keyword:
Attribute-based encryption (ABE)
data integrity
decisional linear assumption
full security