[Resource Topic] 2023/468: A new approach on IoT security: n-out-of-n

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A new approach on IoT security: n-out-of-n

Authors: Tuğberk KOCATEKİN, Cafer ÇALIŞKAN


Internet of Things (IoT) has become an established part of our daily lives by interconnecting billions of devices in diverse areas such as health care, smart home technologies, agriculture, etc. However, IoT devices are limited in memory, energy and computational capabilities. This creates a great potential for security issues, since being constrained prevents producers from implementing mostly complex cryptographic algorithms in IoT devices. In this study, we propose a novel method to provide a low-cost and secure communication for constrained IoT devices. The proposed method is based on an n-out-of-n secret sharing scheme and mimicks the idea of visual cryptography in a digital setup. Whenever an IoT device communicates with an outer party, it establishes the communication by itself or through a mediary such as a central hub or gateway; in which the latter mostly leads to a single point of failure. Our proposed method aims for a distributed environment in which IoT devices within a secure network collaborate with each other in order to send a message to a master device over an insecure channel.

ePrint: https://eprint.iacr.org/2023/468

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