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 …

With rapid development of cloud computing, more and more enterprises will outsource their
sensitive data for sharing in a cloud. To keep the shared data confidential against untrusted …

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 …

As a sophisticated mechanism for secure finegrained access control over encrypted data,
ciphertext-policy attribute-based encryption (CP-ABE) is one of the highly promising …

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) can be utilized to achieve both data security and fine-
grained access control in a cloud computing environment. However, we need to consider …

Attribute-based encryption (ABE) is a promising technique for fine-grained access control of
encrypted data in a cloud storage, however, decryption involved in the ABEs is usually too …

Nowadays cloud servers have become the primary choice to store and share data with
multiple users across the globe. The major challenge in sharing data using cloud servers is …

Ciphertext-Policy Attribute Based Encryption (CP-ABE) is a promising cryptographic
primitive for fine-grained access control of shared data. In CP-ABE, each user is associated …

A cloud storage service allows data owner to outsource their data to the cloud and through
which provide the data access to the users. Because the cloud server and the data owner …