Lightweight Identity Authentication and Key Agreement Scheme for VANET Based on SSL-PUF

Lightweight Identity Authentication and Key Agreement Scheme for VANET Based on SSL-PUF | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Article Lightweight Identity Authentication and Key Agreement Scheme for VANET Based on SSL-PUF Xiaolin Li, Mengxin Li, Liwei Xu, Jianguo Xie, Rui Shi, Huamin Feng This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-6065236/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 01 Jul, 2025 Read the published version in Scientific Reports → Version 1 posted 10 You are reading this latest preprint version Abstract With the rapid development of smart cities and intelligent vehicles, the communication scale in Vehicular Ad-Hoc Networks (VANETs) is expanding significantly. Simultaneously, due to the high mobility, low latency, and stringent security requirements of the Internet of Vehicles (IoV), there is an increased demand for the performance of vehicle access authentication, key negotiation protocols, and the protection of user privacy. Traditional identity authentication protocols less frequently consider the impact of authentication efficiency, and they use complex computations, which result in increased communication costs and reduced efficiency. As a result, these protocols are no longer suitable for resource-constrained VANET applications. The robust PUF characteristics of the Semiconductor Superlattice PUF(SSL-PUF) have attracted significant attention from scholars worldwide, prompting extensive research into the applications of superlattice cryptography. This paper proposes a lightweight access authentication and group key agreement scheme based on SSL-PUF for vehicle-road coordination, providing formal security proofs. Finally, performance comparisons, considering communication load and computational costs, demonstrate that the proposed scheme offers significant advantages in both security and lightweight characteristics, and holds considerable significance for the security requirements in vehicle-road coordination scenarios. Physical sciences/Mathematics and computing/Computational science Physical sciences/Mathematics and computing/Information technology Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Published Journal Publication published 01 Jul, 2025 Read the published version in Scientific Reports → Version 1 posted Editorial decision: Revision requested 15 May, 2025 Reviews received at journal 10 May, 2025 Reviews received at journal 09 May, 2025 Reviews received at journal 07 May, 2025 Reviewers agreed at journal 29 Apr, 2025 Reviewers agreed at journal 29 Apr, 2025 Reviewers agreed at journal 28 Apr, 2025 Reviewers invited by journal 28 Apr, 2025 Submission checks completed at journal 28 Apr, 2025 First submitted to journal 20 Apr, 2025 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. 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Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-6065236","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Article","associatedPublications":[],"authors":[{"id":449701751,"identity":"6b1e696e-846b-4bb7-9c84-c96b4042ad01","order_by":0,"name":"Xiaolin Li","email":"","orcid":"","institution":"Beijing Electronic Science and Technology Institute","correspondingAuthor":false,"prefix":"","firstName":"Xiaolin","middleName":"","lastName":"Li","suffix":""},{"id":449701752,"identity":"f654459f-b2fa-4e1b-b9e7-a668e451052c","order_by":1,"name":"Mengxin Li","email":"","orcid":"","institution":"Beijing Electronic Science and Technology 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