A survey on metaverse: Fundamentals, security, and privacy

Y Wang, Z Su, N Zhang, R ** Scheme for Cloud Storage
Y Zhang, C Xu, N Cheng, H Li, H Yang… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
We propose Chronos+, an accurate blockchain-based time-stam** scheme for outsourced
data, where both the storage and time-stam** services are provided by cloud service …

An efficient and fine-grained big data access control scheme with privacy-preserving policy

K Yang, Q Han, H Li, K Zheng, Z Su… - IEEE Internet of Things …, 2016 - ieeexplore.ieee.org
How to control the access of the huge amount of big data becomes a very challenging issue,
especially when big data are stored in the cloud. Ciphertext-policy attribute-based …

Lightweight distributed secure data management system for health internet of things

Y Yang, X Zheng, C Tang - Journal of Network and Computer Applications, 2017 - Elsevier
Abstract Internet of Things (IoT) connects various kinds of sensors and smart devices using
the internet to collect data. The adoption of IoT in medical care field will bring great …

Fine-grained data access control with attribute-hiding policy for cloud-based IoT

J Hao, C Huang, J Ni, H Rong, M **an, XS Shen - Computer Networks, 2019 - Elsevier
Ciphertext-policy attribute-based encryption (CP-ABE) is a promising approach to achieve
fine-grained access control over the outsourced data in Internet of Things (IoT). However, in …

Privacy-preserving attribute-based access control model for XML-based electronic health record system

K Seol, YG Kim, E Lee, YD Seo, DK Baik - IEEE Access, 2018 - ieeexplore.ieee.org
Cloud-based electronic health record (EHR) systems enable medical documents to be
exchanged between medical institutions; this is expected to contribute to improvements in …

CryptCloud: Secure and Expressive Data Access Control for Cloud Storage

J Ning, Z Cao, X Dong, K Liang, L Wei… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Secure cloud storage, which is an emerging cloud service, is designed to protect the
confidentiality of outsourced data but also to provide flexible data access for cloud users …