Most data nowadays are stored in the cloud; therefore, cloud computing and its extension—
fog computing—are the most in-demand services at the present time. Cloud and fog …

Attribute-based encryption (ABE) is a preferred technology used to access control the data
stored in the cloud servers. However, in many cases, the authorized decryption user may be …

Attribute-based encryption scheme is a promising mechanism to realize one-to-many fine-
grained access control which strengthens the security in cloud computing. However …

In this paper, we propose an enhanced security framework for securing the cloud users data
in the cloud environment. This new security framework consists of access control …

Cloud Computing is one of the demanding services in the current times. It should be said
that it has become a necessity of small to large scale business to have a dedicated cloud …

With the development of smart healthcare services, there is a growing demand for
healthcare environments in which a patient can be collaboratively treated by multiple …

The attribute-based encryption (ABE) scheme, which can set specific conditions to control
user access to data, has been widely studied and applied to cloud storage services …

With emerging of cloud and edge computing, it is popular to store Electronic Medical
Records (EMRs) on a remote cloud. Furthermore, to share the EMRs stored in the cloud …

The modern medical system is convergence of cutting-edge technologies and
advancements in the healthcare environment. In the modern medical system, the storage of …

Abstract Ciphertext-Policy Attribute-Based Encryption (CP-ABE) is a promising solution to
address the issues of data leakage and sharing in big data. When multiple files are shared …