This paper considers the problem of data access control when the subscribers are IoT
devices with initialization that cannot be updated during the entire life cycle. A generic …

As Internet-of-Things (IoT) service becomes richer, data sharing among different IoT systems
gets popular. The traditional IoT system provides data storage and access service with the …

Lack of trustworthiness, access policy flexibility, and user privacy preservation in centralized
access control systems raise numerous security issues and reduce the collaboration …

We defined a distributed access control system on top of blockchain technology. The
underlying idea is to properly represent the access rights of the subjects in the blockchain in …

Broadcast encryption provides a promising technique of data access control for specified
users in cloud computing. A data uploader can generate a ciphertext for a set of chosen …

The Internet of Things (IoT) is a network of connected electromechanical devices that have
limited computational, networking, and storage capabilities. IoT is now widely used in …

We defined a distributed access control system on top of blockchain technology. The
underlying idea is to properly represent the access rights of the subjects in the blockchain in …

The growth of IoT devices is so rapid that several billions of such devices would be in use in
a span of four-year period. Essential security mechanisms need to be put in place to curb …

With the rapid development of physical networks, tens of billions of Internet of Things (IoT)
devices have been deployed worldwide. Access control is essential in the IoT system, which …

The Internet of Things (IoT) bears unprecedented security and scalability challenges due to
the magnitude of data produced and exchanged by IoT devices and platforms. Some of …