Welcome to the resource topic for 2022/1426
Title:
Decentralized Anonymous IoT Data Sharing with Key-Private Proxy Re-Encryption
Authors: Esra Günsay, Oğuz Yayla
Abstract:Secure and scalable data sharing is one of the main concerns of the Internet of Things (IoT) ecosystem. In this paper, we introduce a novel blockchain-based data-sharing construction designed to ensure full anonymity for both the users and the data. To share the encrypted IoT data stored on the cloud, users generate tokens, prove their ownership using zk-SNARKs, and anonymously target the destination address. To tackle the privacy concerns arising from uploading the data to the cloud, we use key-private re-encryption and share as little information as possible with the proxy. Furthermore, we provide security proof of our construction.
ePrint: https://eprint.iacr.org/2022/1426
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