Convertible certificateless proxy re-signcryption for data access control in cloud computing

Chenhuang Wu; Linghui Yang; Beibei Yuan; Huimin Li; Hui Huang

doi:10.1117/12.3025946

8 April 2024 Convertible certificateless proxy re-signcryption for data access control in cloud computing

Chenhuang Wu, Linghui Yang, Beibei Yuan, Huimin Li, Hui Huang

Proceedings Volume 13090, International Conference on Computer Application and Information Security (ICCAIS 2023); 130904E (2024) https://doi.org/10.1117/12.3025946
Event: International Conference on Computer Application and Information Security (ICCAIS 2023), 2023, Wuhan, China

Abstract

Cloud storage service enables users not only to save their local data storage costs but also to access their outsourced data at any time and anywhere. Traditionally, a data owner outsources the encrypted data to the cloud server and then checks its integrity with the help of cloud auditing strategies. Obviously, in such a manner, only confidentiality and integrity are considered following the above two independent steps. Furthermore, it becomes an issue that the data owner may want to share their outsourced data with some authorized data receivers and convince them that the data are from and the same as the data owner’s. To solve this issue, absorbing the advantage of the certificateless cryptosystem, we propose an efficient certificateless proxy re-signcryption (CLPRSC) for data access control in cloud computing. Moreover, the CLPRSC possesses ciphertext verifiable, convertible, and designated re-signcryptable properties with the highest efficiency among the achievable signcryption with proxy re-encryption schemes, which may be of independent interest.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Chenhuang Wu, Linghui Yang, Beibei Yuan, Huimin Li, and Hui Huang "Convertible certificateless proxy re-signcryption for data access control in cloud computing", Proc. SPIE 13090, International Conference on Computer Application and Information Security (ICCAIS 2023), 130904E (8 April 2024); https://doi.org/10.1117/12.3025946

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KEYWORDS

Clouds

Receivers

Data conversion

Cloud computing

Computer security

Data storage

Data transmission

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