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LAKE-6SH: Lightweight User Authenticated Key Exchange for 6LoWPAN-Based Smart Homes

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  • Muhammad Tanveer
  • Ghulam Abbas
  • Ziaul Haq Abbas
  • Muhammad Bilal
  • Amrit Mukherjee
  • Kyung Sup Kwak
<mark>Journal publication date</mark>15/02/2022
<mark>Journal</mark>IEEE Internet of Things Journal
Issue number4
Number of pages14
Pages (from-to)2578-2591
Publication StatusPublished
<mark>Original language</mark>English


Ensuring security and privacy in the Internet of Things (IoT) while taking into account the resource-constrained nature of IoT devices is challenging. In smart home (SH) IoT applications, remote users (RUs) need to communicate securely with resource-constrained network entities through the public Internet to procure real-time information. While the 6LoWPAN adaptation-layer standard provides resource-efficient IPv6 compatibility to low-power wireless networks, the basic 6LoWPAN design does not include security and privacy features. A resource-efficient authenticated key exchange (AKE) scheme becomes imperative for 6LoWPAN-based resource-constrained networks to render indecipherable communication functionality. This article presents a lightweight user AKE scheme for 6LoWPAN-based SH networks (LAKE-6SH) to achieve authenticity of RUs and establish private session keys between the users and network entities by employing the SHA-256 hash function, exclusive-OR operation, and a simple authenticated encryption primitive. Informal security validation illustrates that LAKE-6SH is protected against different pernicious security attacks. The security is further validated formally through the random oracle model. Moreover, through Scyther validation, it is demonstrated that LAKE-6SH is secure. In addition, it is demonstrated that LAKE-6SH renders better security features aside from its low communication and computational overheads.