A secure cross-domain authentication scheme based on threshold signature for MEC

Lei Chen, Chong Guo, Bei Gong, Muhammad Waqas, Lihua Deng, Haowen Qin
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引用次数: 0

Abstract

The widespread adoption of fifth-generation mobile networks has spurred the rapid advancement of mobile edge computing (MEC). By decentralizing computing and storage resources to the network edge, MEC significantly enhances real-time data access services and enables efficient processing of large-scale dynamic data on resource-limited devices. However, MEC faces considerable security challenges, particularly in cross-domain service environments, where every device poses a potential security threat. To address this issue, this paper proposes a secure cross-domain authentication scheme based on a threshold signature tailored to MEC’s multi-subdomain nature. The proposed scheme employs a (t,n) threshold mechanism to bolster system resilience and security, catering to large-scale, dynamic, and decentralized MEC scenarios. Additionally, the proposed scheme features an efficient authorization update function that facilitates the revocation of malicious nodes. Security analysis confirmed that the proposed scheme satisfies unforgeability, collusion resistance, non-repudiation and forward security. Theoretical evaluation and experimental simulation verify the effectiveness and feasibility of the proposed scheme. Compared with existing schemes, the proposed scheme has higher computational performance while implementing secure authorization updates.
基于 MEC 门限签名的安全跨域认证方案
第五代移动网络的广泛应用推动了移动边缘计算(MEC)的快速发展。通过将计算和存储资源分散到网络边缘,MEC 显著增强了实时数据访问服务,并能在资源有限的设备上高效处理大规模动态数据。然而,MEC 面临着相当大的安全挑战,特别是在跨域服务环境中,每个设备都构成潜在的安全威胁。为解决这一问题,本文提出了一种基于阈值签名的安全跨域验证方案,该方案是针对 MEC 的多子域特性而量身定制的。该方案采用 (t,n) 门限机制来增强系统的弹性和安全性,以适应大规模、动态和分散的 MEC 场景。此外,该方案还具有高效的授权更新功能,便于撤销恶意节点。安全分析证实,所提出的方案满足不可伪造性、抗串通性、不可抵赖性和前向安全性。理论评估和实验模拟验证了所提方案的有效性和可行性。与现有方案相比,拟议方案在实现安全授权更新的同时具有更高的计算性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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