Electronic Health Record (EHR) and its privacy have attracted widespread attention with the
development of the healthcare industry in recent years. As locking medical data in a single …

Due to the massive applications of Internet of Things (IoT) and the prevalence of wearable
devices, e-healthcare systems are widely deployed in medical institutions. As a significant …

There exists a key escrow issue in ciphertext-policy attribute-based encryption (CP-ABE).
The key generator center issues all users' secret keys and can decrypt each ciphertext by …

Ciphertext-Policy Attribute-Based Keyword Search (CP-ABKS) facilitates search queries and
supports fine-grained access control over encrypted data in the cloud. However, prior CP …

With the advent of the big data era, the size and complexity of data continue to increase,
which makes the requirement for data privacy and security increasingly urgent. However …

Searchable Encryption (SE) is an important technique to guarantee data security and
usability in the cloud at the same time. Leveraging Ciphertext-Policy Attribute-Based …

Industrial Internet of Things (IoT) has suffered from insufficient identity authentication and
dynamic network topology, thereby resulting in vulnerabilities to data confidentiality …

Cloud-based mobile crowd-sourcing has been an attractive solution to provide data storage
and share services for resource-limited mobile devices in a privacy-preserving manner, but …

In this paper, we introduce a concept of transparent integrity auditing and propose a
concrete scheme based on the blockchain, which goes one step beyond existing public …

Searchable encryption (SE) allows cloud tenants to retrieve encrypted data while preserving
data confidentiality securely. Many SE solutions have been designed to improve efficiency …