Addition of new nodes to a Sensor Network is a fundamental requirement for their continuity operation over time. We analyze the weakening of security due to node capture when addi...
Abstract---Service Oriented Architecture (SOA) is an architectural style to reuse and integrate existing systems for designing new applications. Each application is designed in an ...
In this paper we present the design of a scalable and secure cryptographic service that can be adopted to support large-scale networked systems, which may require strong authentica...
Security services in a multi-user environment are often based on access control mechanisms. Static of an access control policy can be formalised using abstract algebraic models. W...
In today's world password compromise by some adversaries is common for different purpose. In ICC 2008 Lei et al. proposed a new user authentication system based on the virtual...