Towards Lightweight and Privacy-preserving Data Provision in Digital Forensics for Driverless Taxi

• URL: http://arxiv.org/abs/2409.14039v1
• Date: Sat, 21 Sep 2024 06:51:26 GMT
• Title: Towards Lightweight and Privacy-preserving Data Provision in Digital Forensics for Driverless Taxi
• Authors: Yanwei Gong, Xiaolin Chang, Jelena Mišić, Vojislav B. Mišić, Junchao Fan, Kaiwen Wang,
• Abstract summary: We propose a novel Lightweight and Privacy-preserving Data Provision approach consisting of three mechanisms. Privacy-friendly Batch Verification Mechanism (PBVm) based on elliptic curve cryptography. Data Access Control Mechanism (DACm) based on ciphertext-policy attribute-based encryption. Decentralized IN Warrant Issuance Mechanism (DIWIm) based on secret sharing.
• Score: 5.099632414581062
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Data provision, referring to the data upload and data access, is one key phase in vehicular digital forensics. The unique features of Driverless Taxi (DT) bring new issues to this phase: 1) efficient verification of data integrity when diverse Data Providers (DPs) upload data; 2) DP privacy preservation during data upload; and 3) privacy preservation of both data and INvestigator (IN) under complex data ownership when accessing data. To this end, we propose a novel Lightweight and Privacy-preserving Data Provision (LPDP) approach consisting of three mechanisms: 1) the Privacy-friendly Batch Verification Mechanism (PBVm) based on elliptic curve cryptography, 2) Data Access Control Mechanism (DACm) based on ciphertext-policy attribute-based encryption, and 3) Decentralized IN Warrant Issuance Mechanism (DIWIm) based on secret sharing. Privacy preservation of data provision is achieved through: 1) ensuring the DP privacy preservation in terms of the location privacy and unlinkability of data upload requests by PBVm, 2) ensuring data privacy preservation by DACm and DIWIm, and 3) ensuring the identity privacy of IN in terms of the anonymity and unlinkability of data access requests without sacrificing the traceability. Lightweight of data provision is achieved through: 1) ensuring scalable verification of data integrity by PBVm, and 2) ensuring low-overhead warrant update with respect to DIWIm. Security analysis and performance evaluation are conducted to validate the security and performance features of LPDP.

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