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Despite the surge in Vehicular Ad Hoc NETwork (VANET) research, future high-end vehicles are expected to under-utilize the on-board computation, communication, and storage resources. Olariu et al. envisioned the next paradigm shift from conventional VANET to Vehicular Cloud Computing (VCC) by merging VANET with cloud computing. But to date, in the(More)
In the recent past, a new concept termed as VANET-based clouds evolved from traditional VANET incorporating both VANET and cloud computing technologies in order to provide vehicle drivers, passengers, and consumers with safe, reliable, and infotainment-rich services while driving on the roads. In this paper, we use a framework of VANET-based clouds proposed(More)
Conditional PRE (CPRE) is a novel public key primitive which enables the group sharing of confidential data without revealing its plaintext or decryption key to outside the group member. Previously, several efforts are made to facilitate CPRE in group data sharing in cloud environment. The main drawback of the state-of-art CPRE schemes for this purpose is(More)
Recently, smart grid, which is a newer generation of electricity supply network , is getting lots of attentions due to its huge benefits. One key component of the smart gird is an integrated communication network. To make the smart grid more dependable, it is extremely important to ensure that messages are exchanged over the communication network in a(More)
The foreseen dream of reliable, safe, and comfortable driving experience is yet to become reality since automobile industries are testing their waters for VANET (Vehicular Ad Hoc NETwork) deployment. But nevertheless, security and privacy issues have been the root cause of hindrance in VANET deployment. Recently, VANET evolved to VANET-based clouds as a(More)
Technological advancements in mobile technology and cloud computing open the door for another paradigm known as Mobile Cloud Computing (MCC). This integration of cloud computing and mobile technology gives numerous facilities to a mobile user, such as the ubiquitous availability of Location Based Services (LBS). The utilization of these LBS services require(More)
Inspired by the dramatic evolution of VANE clouds, this paper proposes a new VANET-cloud service called VWaaS (Vehicle Witnesses as a Service) in which vehicles moving on the road serve as anonymous witnesses of designated events such as a terrorist attack or a deadly accident. When confronted the events, a group of vehicles with mounted cameras collaborate(More)
—Recently an online electric vehicle (OLEV) concept has been introduced, where vehicles are propelled through the wirelessly transmitted electrical power from the infrastructure installed under the road while moving. The absence of secure-and-fair billing is one main hurdle to widely adopt this promising technology. This paper introduces a secure and(More)
Over years, cloud computing has been rapidly changing the shape of modern computing environment. The problem of how to keep the confidentiality of user data against malicious entities including a cloud service provider has been recognized as a significant issue. This problem becomes even more complicated if a data is shared among multiple users. Recently,(More)