Lattice-Based Threshold Encryption for Data Privacy Protection With Zero Trust in Internet of Medical Things

The interconnection of electronic health devices through the Internet of Things (IoT) technology plays a crucial role in improving healthcare services. The existing schemes usually use traditional cryptographic algorithms and secret sharing to protect the privacy of user health data records generated by smart electronic devices. However, key transmission is exposed to the risk of leakage, and it is vulnerable to quantum attacks. To address these issues, this paper proposes a novel data privacy protection named Lattice-based Threshold Encryption for Data Privacy Protection with Zero Trust in Internet of Medical Things (LTEN-ZTIoMT). Specifically, this paper proposes a lattice-based encryption algorithm by introducing zero trust and threshold secret sharing in managing users and IoT devices, distributing private keys, thus enhancing the…