A NOVEL APPROACH TO PROVIDE CONFIDENTIALITY AND AUTHENTICATION IN A

Abstract: Publish/subscribe systems has evolved as an striking communication model for building Internet-wide distributed systems by decoupling senders of messages from receivers. So far most of the research on publish/subscribe has focused on other areas such as efficient event routing, event filtering etc. Very trivial research has been published regarding securing publish/subscribe systems. In content based public subscribe systems authentication and confidentiality are basic security issues. In this paper we presents a new approach to provide confidentiality and authentication in a broker-less content-based publish/subscribe system. By using pairing based cryptography mechanism, authentication and confidentiality for public subscribe event is ensured. Additionally, an algorithm to cluster subscribers according to their subscriptions preserves a weak notion of subscription confidentiality.To enable efficient routing of encrypted events searchable encryption is provided. To support weak subscription confidentiality, multi credential routing a new event distribution method is provided. Also comprehensive analyses of different attacks on subscription confidentiality are provided. The overall methodology provides Key management for identity base