The features of decentralization and tamper-proof enable blockchain to be an emerging
technology for integrity protection of important data stored on it. Blockchains are also used to …

Attribute-based encryption, especially ciphertext-policy attribute-based encryption, plays an
important role in the data sharing. In the process of data sharing, the secret key does not …

Aiming at the problem of privacy leakage during data sharing in the Internet of Things, a
blockchain based secure data sharing platform with fine-grained access control (BSDS-FA) …

It is the most important and challenging problem to share the data safely in cloud computing.
Some so-called trusted third parties may also infringe users' data privacy. It is an urgent …

Attribute-based encryption (ABE) is a powerful cryptographic primitive for access control and
fine-grained sharing on encrypted data. Due to this functionality, ABE is usually adopted in …

Attribute Based Encryption (ABE) denotes asymmetric cryptographic schemes where key
pairs are created for attribute owners and often applied to realize a fine-grained …

Abstract Ciphertext Policy Attribute Based Encryption (CPABE) offers fine-grained access
control in Cloud Computing environment. It is considered as the most promising one-to …

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 …

The massive amount of data generated by the Internet of Things (IoT) and the need to store
that data presents a huge challenge for storage. However, meeting this challenge has also …

Ciphertext-policy attribute-based encryption (CP-ABE) has been proposed to enable fine-
grained access control on encrypted data for cloud storage service. In the context of CP …