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A Practical and Efficient Bidirectional Access Control Scheme for Cloud-Edge Data Sharing
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AI
DOI：10.1109/TPDS.2021.3094126.png)
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摘要
En 中文
The cloud computing paradigm provides numerous tempting advantages, enabling users to store and share their data conveniently. However, users are naturally resistant to directly outsourcing their data to the cloud since the data often contain sensitive information. Although several fine-grained access control schemes for cloud-data sharing have been proposed, most of them focus on the access control of the encrypted data (e.g., restricting the decryption capabilities of the receivers). Distinct from the existing work, this article aims to address this challenging problem by developing a more practical bidirectional fine-grained access control scheme that can restrict the capabilities of both senders and receivers. To this end, we systematically investigate the access control for cloud data sharing. Inspired by the access control encryption (ACE), we propose a novel data sharing framework that combines the cloud side and the edge side. The edge server is located in the middle of all the communications, checking and preventing illegal communications according to the predefined access policy. Next, we develop an efficient access control algorithm by exploiting the attribute-based encryption and proxy re-encryption for the proposed framework. The experimental results show that our scheme exhibits superior performance in the encryption and decryption compared to the prior work.
Keyword:
Cloud computing
Access control
Receivers
Encryption
Servers
Cryptography
Search problems
Cloud computing
data sharing
access control
encryption
edge computing
期刊
IF:
6
论文数:
5.2K
被引数:
1.1W
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