The use of online social networks has made significant progress in recent years as the use
of the Internet has become widespread worldwide as the technological infrastructure and the …

Mobile social networks (MSNs) have become increasingly popular in supporting many novel
applications since emerging in the recent years. Their applications and services are of great …

With data storage and sharing services in the cloud, users can easily modify and share data
as a group. To ensure shared data integrity can be verified publicly, users in the group need …

In this paper, we propose a toolkit for efficient and privacy-preserving outsourced calculation
under multiple encrypted keys (EPOM). Using EPOM, a large scale of users can securely …

In cloud computing, clients usually outsource their data to the cloud storage servers to
reduce the management costs. While those data may contain sensitive personal information …

With an increasing number of users sharing information online, privacy implications entailing
such actions are a major concern. For explicit content, such as user profile or GPS data …

With the pervasiveness of smart phones and the advance of wireless body sensor networks
(BSNs), mobile Healthcare (m-Healthcare), which extends the operation of Healthcare …

Thanks to the convergence of pervasive mobile communications and fast-growing online
social networking, mobile social networking is penetrating into our everyday life. Aiming to …

In many everyday scenarios, sensitive information must be shared between parties without
complete mutual trust. Private set operations are particularly useful to enable sharing …

Intelligent identification of close friends is the mainstream approach to protect users' multi-
dimensional data in the social metaverse. It provides a fine-grained matching service for …