A Privacy-preserving Self-Sovereign Identity Scheme for Vehicular Ad hoc NETworks

GUO Xian; YUAN Jianpeng; FENG Tao; JIANG Yongbo; FANG Junli; WANG Jing

doi:10.11999/JEIT231092

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GUO Xian, YUAN Jianpeng, FENG Tao, JIANG Yongbo, FANG Junli, WANG Jing. A Privacy-preserving Self-Sovereign Identity Scheme for Vehicular Ad hoc NETworks[J]. Journal of Electronics & Information Technology. doi: 10.11999/JEIT231092

Citation:

GUO Xian, YUAN Jianpeng, FENG Tao, JIANG Yongbo, FANG Junli, WANG Jing. A Privacy-preserving Self-Sovereign Identity Scheme for Vehicular Ad hoc NETworks[J]. Journal of Electronics & Information Technology. doi: 10.11999/JEIT231092

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A Privacy-preserving Self-Sovereign Identity Scheme for Vehicular Ad hoc NETworks

doi: 10.11999/JEIT231092

School of Computer and Communication, Lanzhou University of Technology, Lanzhou 730050, China

Funds: The National Natural Science Foundation of China (61461027), The Natural Science Foundation of Gansu Province (20JR5RA467)

Received Date: 2023-10-09
Rev Recd Date: 2024-04-22

Available Online: 2024-05-13

Abstract

Abstract

A decentralized, revocable, and privacy-preserving Self-Sovereign Identity (SSI) solution based on blockchain is proposed to address digital identity management challenges for users in the context of the Vehicular Ad hoc NETworks (VANETs). The Road Side Units (RSU) authorized by a Trusted Authority (TA) to form a committee are responsible for user registration, credential issuer and management.The threshold BLS signature and the Practical Byzantine Fault Tolerance (PBFT) consensus mechanism are uesd to create digital identity credentials to resolve the issues resulted in the centralized certification authorities. The combining secret sharing and zero-knowledge proof addresses privacy concerns during identity credential issuance and verification. The cryptographic accumulator is employed to tackle the revocation of user identity credentials in distributed storage scenarios. Finally, our comprehensive security analysis demonstrates the novel scheme can meet the proposed security objectives. The novel solution is implemented on an Ethereum private blockchain by using smart contracts, and experimental results show the reliability, feasibility and effectiveness of our scheme.
- Vehicular Ad hoc NETworks (VANETs),
- Self-Sovereign Identity(SSI),
- Blockchain,
- Privacy-preserving

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References(26)

References

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