Aiming for minimizing passengers' waiting time and vehicles' vacancy rate, online car-
hailing service systems with fog computing has been deployed in various scenarios. In this …

With the rapid development of versatile cloud services, it becomes increasingly susceptible
to use cloud services to share data in a friend circle in the cloud computing environment …

In the fast-evolving world of Cybersecurity, an analyst often has the difficult task of
responding to new threats and attack campaigns within a limited amount of time. If an …

Revocation and key evolving paradigms are central issues in cryptography, and in PKI in
particular. A novel concern related to these areas was raised in the recent work of Sahai …

Timed transaction execution is critical for various decentralized privacy-preserving
applications powered by blockchain-based smart contract platforms. Such privacy …

In the age of Big Data, releasing protected sensitive data at a future point in time is critical for
various applications. Such self-emerging data release requires the data to be protected until …

To ensure the normal work of the whole system in the context of the Internet of Things (IoT),
remote attestation for each smart device should be guaranteed. However, considering the …

Attribute-Based Encryption (ABE) is an advanced form of public-key encryption where
access control mechanisms based on attributes and policies are possible. In conventional …

Smartphones form an important source of trust in modern computing. But, while their mobility
is convenient, smartphones can be stolen or seized, allowing an adversary to impersonate …

Timed data release refers to protecting sensitive data that can be accessed only after a pre-
determined amount of time has passed. While blockchain-based solutions for timed data …