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<p>The rapid growth of the Internet of Drones (IoDs) is reshaping digital ecosystems, with applications spanning military, healthcare, agriculture, logistics and search-and-rescue operations. However, drones operating in hostile environments face significant communication security challenges due to energy, storage and computational limitations, rendering traditional cryptographic methods impractical. Existing authentication protocols often have inherent weaknesses and centralized cloud servers remain unprotected to threats such as denial of service, data tampering and unauthorized access. Our proposed scheme leverages blockchain technology to eliminate reliance on a single point, creating a decentralized communication environment between cloud servers and fog nodes. Additionally, we design a protocol for secure communication, ensuring confidentiality. The scheme’s security is thoroughly verified through formal analysis using the ROR (Real-Or-Random) model, and performance evaluations show that our method greatly exceeds current protocols in terms of both security and efficiency.</p>

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A robust and lightweight authentication protocol for the internet of drones using ASCON and blockchain

  • 期刊论文

  • 发表日期：

    2026年7月24日

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  • Riya Chawla,
  • Rifaqat Ali

摘要

The rapid growth of the Internet of Drones (IoDs) is reshaping digital ecosystems, with applications spanning military, healthcare, agriculture, logistics and search-and-rescue operations. However, drones operating in hostile environments face significant communication security challenges due to energy, storage and computational limitations, rendering traditional cryptographic methods impractical. Existing authentication protocols often have inherent weaknesses and centralized cloud servers remain unprotected to threats such as denial of service, data tampering and unauthorized access. Our proposed scheme leverages blockchain technology to eliminate reliance on a single point, creating a decentralized communication environment between cloud servers and fog nodes. Additionally, we design a protocol for secure communication, ensuring confidentiality. The scheme’s security is thoroughly verified through formal analysis using the ROR (Real-Or-Random) model, and performance evaluations show that our method greatly exceeds current protocols in terms of both security and efficiency.