Electronic evidence sharing scheme of Internet of vehicles based on signcryption and blockchain

Xiaodong YANG; Wanting XI; Jiaqi WANG; Aijia CHEN; Caifen WANG

doi:10.11959/j.issn.1000-436x.2021237

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Electronic evidence sharing scheme of Internet of vehicles based on signcryption and blockchain

Correspondences | 更新时间：2024-06-05

- Electronic evidence sharing scheme of Internet of vehicles based on signcryption and blockchain
- Journal on Communications Vol. 42, Issue 12, Pages: 236-246(2021)
- 作者机构：
  
  1. 西北师范大学计算机科学与工程学院，甘肃兰州 730070
  2. 深圳技术大学大数据与互联网学院，广东深圳 518118
- 作者简介：
- 基金信息：
  
  The National Natural Science Foundation of China(61662069);The National Natural Science Foundation of China(61562077);The National Natural Science Foundation of China(61702552);The China Postdoctoral Science Foundation(2017M610817);Science and Technology Project of Lanzhou City of China(2013-4-22);The Foundation for Excellent Young Teachers by Northwest Normal University(NWNU-LKQN-14-7)
- DOI：10.11959/j.issn.1000-436x.2021237
  CLC： TP309.7
- Online First：2021-12，
  
  Published：25 December 2021
- 稿件说明：
移动端阅览
Xiaodong YANG, Wanting XI, Jiaqi WANG, et al. Electronic evidence sharing scheme of Internet of vehicles based on signcryption and blockchain[J]. Journal on Communications, 2021, 42(12): 236-246.
DOI：

Xiaodong YANG, Wanting XI, Jiaqi WANG, et al. Electronic evidence sharing scheme of Internet of vehicles based on signcryption and blockchain[J]. Journal on Communications, 2021, 42(12): 236-246. DOI： 10.11959/j.issn.1000-436x.2021237.

摘要

针对车联网电子证据共享中的隐私和安全问题，提出了一种基于签密和区块链的车联网电子证据共享方案。所提方案将证据密文和证据报告分别存储于云服务器和区块链，以实现电子证据的安全存储与共享。利用基于身份的签密技术保证了数据的机密性，运用代理重加密技术实现了保险公司对车联网电子证据的共享。引入聚合签名技术，降低了多个车辆用户签名验证的计算开销；采用信誉激励机制提高了电子证据的可靠性。安全性分析表明，所提方案满足数据的机密性、完整性、可验证性和不可伪造性。与现有方案相比，所提方案在计算开销方面具有一定优越性。

Abstract

To solve the problems of privacy and security in the electronic evidence sharing of Internet of vehicles， a sharing scheme of electronic evidence in the Internet of vehicles based on signcryption and blockchain was proposed.The evidence ciphertext and the evidence report were stored in the cloud server and the block chain respectively to realize the secure storage and sharing of the electronic evidence.The identity-based signcryption technology was used to ensure the confidentiality of data， and the proxy re-encryption technology was used to realize the sharing of electronic evidence of Internet of vehicles by insurance companies.The aggregation signature technique was introduced to reduce the computation cost of multi vehicle user signature verification.The reliability of electronic evidence was improved by using credibility incentive mechanism.Security analysis shows that the proposed scheme achieves data confidentiality， integrity， verifiability and unforgeability.Compared with the existing schemes， the proposed scheme has certain advantages in terms of computational overhead.

关键词

Keywords

references

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