Arash Shaghaghi

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The misuse of legitimate access to data is a serious information security concern for both organizations and individuals. From a security engineering viewpoint, this might be due to the failure of access control. Inspired by Functional Encryption, we introduce Function-Based Access Control (FBAC). From an abstract viewpoint, we suggest storing access(More)
In this paper, we coin the term Policy Enforcement as a Service (PEPS), which enables the provision of innovative inter-layer and inter-domain Access Control. We leverage the architecture of Software-Defined-Network (SDN) to introduce a common network-level enforcement point, which is made available to a range of access control systems. With our PEPS model,(More)
Nowadays, mesh based live P2P streaming systems (P2PTV) is a popular means of streaming audio and video content over the Internet. The main reason being that it can accommodate large amounts of users with low cost compared to dedicated servers, or content distribution network solutions. However, one of the issues and impediments associated with this(More)
Networks are vulnerable to disruptions caused by malicious forwarding devices. The situation is likely to worsen in Software Defined Networks (SDNs) with the incompatibility of existing solutions, use of programmable soft switches and the potential of bringing down an entire network through compromised forwarding devices. In this paper, we present(More)
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