Cyber-attacks are becoming more common against Internet users due to the increasing
dependency on online communication in their daily lives. X. 509 Public-Key Infrastructure …

With the increase in connectivity, the popularization of cloud services, and the rise of the
Internet of Things (IoT), decentralized approaches for trust management are gaining …

Access control is a mechanism in computer security that regulates access to the system
resources. The current access control systems face many problems, such as the presence of …

As an important security property of cloud storage, data integrity has not been sufficiently
studied under the multi-writer model, where a group of users work on shared files …

In Internet of Things ecosystems, where various entities trade data and data analysis results,
public key infrastructure plays an important role in establishing trust relationships between …

Blockchain provides a trusted environment for storing information and propagating
transactions. Owing to the distributed property and integrity, blockchain has been employed …

Kerberos is a widely used authentication protocol that protects distributed services on the
Internet of Things (IoT) and big data. In a distributed scenario, entities must prove their …

Data management and distributed transactions are characteristics of the Blockchain.
Although the Blockchain has initially been a technology used for bitcoin, the Blockchain has …

Recently, real-world attacks against the web Public Key Infrastructure (PKI) have arisen
more frequently. The current PKI that use Registration Authorities/Certificate Authorities …

Clients (eg, browsers) and servers require public key certificates to establish secure
connections. When a client accesses a server, it needs to check the signature, expiration …