Abstract The Internet of Things (IoT) is increasingly becoming widespread in different areas
such as healthcare, transportation, and manufacturing. IoT networks comprise many diverse …

The development of cloud computing techniques has promoted the continuous sharing of a
tremendous amount of media data. However, the involved parties in such processes usually …

Since Cloud Service Provider is a semi-trusted party in cloud storage, to protect data from
being disclosed, users' data are encrypted before being uploaded to a cloud server …

IoT-based data outsourcing services in clouds could be regarded as a new trend in recent
years, as they could reduce the hardware and software cost for enterprises and obtain …

In e-healthcare system, an increasing number of patients enjoy high-quality medical
services by sharing encrypted personal healthcare records (PHRs) with doctors or medical …

In light of the existing security vulnerabilities within IoT publish–subscribe systems, our study
introduces an improved end-to-end encryption approach using conditional proxy re …

Though the electronic technologies have undergone fast developments in recent years,
mobile devices such as smartphones are still comparatively weak in contrast to desktops in …

A proxy re-encryption (PRE) allows a data owner to delegate the decryption rights of some
encrypted data stored on the cloud without revealing the data to an honest-but-curious cloud …

This paper addresses the always online behavior of the data owner in proxy re-encryption
schemes for re-encryption keys issuing. We extend and adapt multi-authority ciphertext …

Cloud computing has become popular in data sharing mainly because it has huge storage
capacity and computing power. Securing the privacy of sensitive data for cloud-based data …