A Secure and Robust Scheme for Sharing Confidential Information in IoT Systems
Lake Bu, Mihailo Isakov, Michel A. Kinsy

TL;DR
This paper presents a secure, robust scheme for sharing confidential information in IoT systems using threshold secret sharing, ensuring privacy and integrity even under large-scale device compromise.
Contribution
It introduces a novel scheme combining threshold secret sharing with mechanisms for identifying compromised devices and maintaining confidentiality in IoT networks.
Findings
The scheme effectively prevents information leakage even when many devices are compromised.
It can identify compromised devices and maintain data integrity.
The approach enhances security robustness in IoT environments.
Abstract
In Internet of Things (IoT) systems with security demands, there is often a need to distribute sensitive information (such as encryption keys, digital signatures, or login credentials, etc.) among the devices, so that it can be retrieved for confidential purposes at a later moment. However, this information cannot be entrusted to any one device, since the failure of that device or an attack on it will jeopardize the security of the entire network. Even if the information is divided among devices, there is still the danger that an attacker can compromise a group of devices and expose the sensitive information. In this work, we design and implement a secure and robust scheme to enable the distribution of sensitive information in IoT networks. The proposed approach has two important properties: (1) it uses Threshold Secret Sharing (TSS) to split the information into pieces distributed…
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