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Security Analysis and Improvements of Two-Factor Mutual Authentication with Key Agreement in Wireless Sensor Networks

机译:无线传感器网络中带有密钥协商的两要素相互认证的安全性分析和改进

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摘要

User authentication and key management are two important security issues in WSNs (Wireless Sensor Networks). In WSNs, for some applications, the user needs to obtain real-time data directly from sensors and several user authentication schemes have been recently proposed for this case. We found that a two-factor mutual authentication scheme with key agreement in WSNs is vulnerable to gateway node bypassing attacks and user impersonation attacks using secret data stored in sensor nodes or an attacker's own smart card. In this paper, we propose an improved scheme to overcome these security weaknesses by storing secret data in unique ciphertext form in each node. In addition, our proposed scheme should provide not only security, but also efficiency since sensors in a WSN operate with resource constraints such as limited power, computation, and storage space. Therefore, we also analyze the performance of the proposed scheme by comparing its computation and communication costs with those of other schemes.
机译:用户身份验证和密钥管理是WSN(无线传感器网络)中的两个重要安全问题。在WSN中,对于某些应用程序,用户需要直接从传感器获取实时数据,最近针对这种情况提出了几种用户身份验证方案。我们发现,在WSN中采用密钥协议的两因素双向身份验证方案容易受到网关节点绕过攻击和使用存储在传感器节点或攻击者自己的智能卡中的秘密数据的用户假冒攻击的攻击。在本文中,我们提出了一种改进的方案,通过在每个节点中以唯一密文形式存储秘密数据来克服这些安全漏洞。另外,我们提出的方案不仅应提供安全性,而且还应提供效率,因为WSN中的传感器在资源受限的情况下运行,例如功率,计算和存储空间有限。因此,我们还通过将其与其他方案的计算和通信成本进行比较来分析该方案的性能。

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