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학술지 A Secure Charging System for Electric Vehicles Based on Blockchain
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김명현, 박기성, 유성진, 이준영, 박영호, 이상우, 정보흥
Sensors, v.19 no.13, pp.1-22
19HH3400, 오토모티브 이더넷 기반 차량 보안위협 예측․탐지․대응 및 보안성 자동진단 기술개발, 정보흥
Smart grids incorporating internet-of-things are emerging solutions to provide a reliable, sustainable and efficient electricity supply, and electric vehicle drivers can access efficient charging services in the smart grid. However, traditional electric vehicle charging systems are vulnerable to distributed denial of service and privileged insider attacks when the central charging server is attacked. The blockchain-based charging systems have been proposed to resolve these problems. In 2018, Huang et al. proposed the electric vehicle charging system using lightning network and smart contract. However, their system has an inefficient charging mechanism and does not guarantee security of key. We propose a secure charging system for electric vehicles based on blockchain to resolve these security flaws. Our charging system ensures the security of key, secure mutual authentication, anonymity, and perfect forward secrecy, and also provides efficient charging. We demonstrate that our proposed system provides secure mutual authentication using Burrows?밃badi?밡eedham logic and prevents replay and man-in-the-middle attacks using automated validation of internet security protocols and applications simulation tool. Furthermore, we compare computation and communication costs with previous schemes. Therefore, the proposed charging system efficiently applies to practical charging systems for electric vehicles.
KSP 제안 키워드
Automated validation, BlockChain, Communication cost, Distributed denial-of-service(DDoS), Electricity supply, Internet of thing(IoT), Internet security, Perfect forward secrecy, Security flaws, Smart grids, charging mechanism
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