Research Interest
- Computer and Network Security
- Human Computer Interaction
- Mobile Ad-hoc and sensor network
Research Projects
Secure and Lightweight Data Collection for Smart Grids:
Security in the smart grid is a challenge as an increasing number of sensors and measurement devices are connected to the power grid. General-purpose security protocols are not suitable for providing data security to devices with limited memory, computational power and network connectivity. In this work, our goal is to develop a secure and lightweight scalable security protocol. The protocol will allow data to be securely transferred from measurement devices to power system operator via mobile or untrustworthy data collectors. Moreover, our focus is to design the protocol as computationally lightweight for the measurement devices so that they require to perform very few expensive cryptographic operations and to exchange few messages. The tool is implemented in Java.
Password-Changing Protocol in Power Grid:
The current power grid system and its power lines in the field are monitored by telemetric devices and the maintenance personnel from utility companies collect data readings from these telemetric devices to their handheld devices on a regular basis to ensure that the health of power line is sound and stable. The scale of pole devices that monitor the health of power lines is already large, and with the upgrade of the smart grid, the number of these resource-constrained devices is further increasing. Currently, security of data inside of the telemetric and handheld devices is one important concern. The telemetric and handheld devices and their data are easy target to security attacks due to the wireless communication over which data are read from/to the telemetric device to/from the handheld device of the maintenance personnel, and due to the weak passwords and vulnerable authentication protocol that utilities use to access the handheld and telemetric devices. Especially with the increased scale of these small resource-constrained devices, due to on-going upgrade of smart grid, the security threats are further increasing.
In this project our goal is to investigate a robust, scalable and automated password-changing protocol framework to ensure unique authentication of human personnel with large scale of pole devices and secure access along with the secure delivery of data over the wireless network in the field in real-time under varying maintenance scenarios. The tool is implemented in Java.
Additional Sink Placement Strategy in Wireless Sensor Network:
In Wireless Sensor Network, energy is the most critical resource constraint due to the limited battery power of each sensor node. Almost all applications of Wireless Sensor Network require the flow of sensed data from multiple sources to a sink. So, the optimal location of sink is an important topological consideration. In this work, we focus on the topological modification of Wireless Sensor Network after a certain period by adding new sink node. We find optimal location for placing new sink node in order to maximize the network lifetime.
Security in the smart grid is a challenge as an increasing number of sensors and measurement devices are connected to the power grid. General-purpose security protocols are not suitable for providing data security to devices with limited memory, computational power and network connectivity. In this work, our goal is to develop a secure and lightweight scalable security protocol. The protocol will allow data to be securely transferred from measurement devices to power system operator via mobile or untrustworthy data collectors. Moreover, our focus is to design the protocol as computationally lightweight for the measurement devices so that they require to perform very few expensive cryptographic operations and to exchange few messages. The tool is implemented in Java.
Password-Changing Protocol in Power Grid:
The current power grid system and its power lines in the field are monitored by telemetric devices and the maintenance personnel from utility companies collect data readings from these telemetric devices to their handheld devices on a regular basis to ensure that the health of power line is sound and stable. The scale of pole devices that monitor the health of power lines is already large, and with the upgrade of the smart grid, the number of these resource-constrained devices is further increasing. Currently, security of data inside of the telemetric and handheld devices is one important concern. The telemetric and handheld devices and their data are easy target to security attacks due to the wireless communication over which data are read from/to the telemetric device to/from the handheld device of the maintenance personnel, and due to the weak passwords and vulnerable authentication protocol that utilities use to access the handheld and telemetric devices. Especially with the increased scale of these small resource-constrained devices, due to on-going upgrade of smart grid, the security threats are further increasing.
In this project our goal is to investigate a robust, scalable and automated password-changing protocol framework to ensure unique authentication of human personnel with large scale of pole devices and secure access along with the secure delivery of data over the wireless network in the field in real-time under varying maintenance scenarios. The tool is implemented in Java.
Additional Sink Placement Strategy in Wireless Sensor Network:
In Wireless Sensor Network, energy is the most critical resource constraint due to the limited battery power of each sensor node. Almost all applications of Wireless Sensor Network require the flow of sensed data from multiple sources to a sink. So, the optimal location of sink is an important topological consideration. In this work, we focus on the topological modification of Wireless Sensor Network after a certain period by adding new sink node. We find optimal location for placing new sink node in order to maximize the network lifetime.