With more and more enterprises sharing their sensitive data on cloud servers, building a
secure cloud environment for data sharing has attracted a lot of attention in both the industry …

Cloud computing, as an emerging computing paradigm, enables users to remotely store
their data into a cloud so as to enjoy scalable services on-demand. Especially for small and …

As more sensitive data is shared and stored by third-party sites on the Internet, there will be
a need to encrypt data stored at these sites. One drawback of encrypting data, is that it can …

Cloud computing has emerged as one of the most influential paradigms in the IT industry in
recent years. Since this new computing technology requires users to entrust their valuable …

Attribute-based encryption (ABE) is a promising cryptographic primitive for fine-grained
access control of distributed data. In ciphertext policy attribute-based encryption (CP-ABE) …

With the recent adoption and diffusion of the data sharing paradigm in distributed systems
such as online social networks or cloud computing, there have been increasing demands …

Several existing access control solutions mainly focus on preserving confidentiality of stored
data from unauthorized access and the storage provider. Moreover, to keep sensitive user …

Attribute-based encryption (ABE) is a promising approach to enables fine-grained access
control for encrypted data in cloud storage. However, to design a flexible and effective …

Attribute-based encryption effectively realizes fine-grained access control by using
attributes. It provides an ideal access control strategy for new computing environments with …

Data sharing in the cloud, fueled by favorable trends in cloud technology, is emerging as a
promising technique for allowing users to conveniently access data. However, the growing …