A novel image-based homomorphic approach for preserving the privacy of autonomous vehicles connected to the cloud

Sultan, Aiman, Tahir, Shahzaib, Tahir, Hasan, Anwer, Tayyaba, Khan, Fawad, Rajarajan, Muttukrishnan and Rana, Omer ORCID: https://orcid.org/0000-0003-3597-2646 2023. A novel image-based homomorphic approach for preserving the privacy of autonomous vehicles connected to the cloud. IEEE Transactions on Intelligent Transportation Systems 24 (2) , pp. 1936-1948. 10.1109/TITS.2022.3219591

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Abstract

Autonomous vehicles are taking a leap forward by performing operations without human intervention through continuous monitoring of their surroundings using multiple sensors. Images gathered through vehicle mounted cameras can be large, requiring specialized storage such as cloud. However, cloud data centres can be prone to security and privacy challenges. A partial image-based, homomorphic searchable encryption scheme is proposed, which uses pixel-level encryption to identify objects within encrypted images. The scheme provides Object-Trapdoor and Trapdoor-Image indistinguishability – as the trapdoors are probabilistic. The proposed scheme is deployed on a cloud data centre and tested over a real data set. The proposed scheme reduces storage overhead by approximately 20 times, and is 33 times more efficient compared to the generic Paillier homomorphic searchable encryption scheme. Security analysis demonstrates that the scheme maintains high levels of security and privacy.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Computer Science & Informatics
Publisher:	Institute of Electrical and Electronics Engineers
ISSN:	1524-9050
Date of First Compliant Deposit:	16 November 2022
Date of Acceptance:	27 October 2022
Last Modified:	07 May 2023 14:52
URI:	https://orca.cardiff.ac.uk/id/eprint/154261

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