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LeMeniz Infotech

LeMeniz Infotech

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LeMeniz Infotech

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Securing Broker-Less Publish/Subscribe Systems Using Identity-Based Encryption

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AbstractThe provisioning of basic security mechanisms such as authentication andconfidentiality is highly challenging in a content-based publish/subscribe system.Authentication of publishers and subscribers is difficult to achieve due to the loosecoupling of publishers and subscribers. Likewise, confidentiality of events andsubscriptions conflicts with content-based routing. This paper presents a novelapproach to provide confidentiality and authentication in a broker-less content-basedpublish/subscribe system. The authentication of publishers and subscribers as well asconfidentiality of events is ensured, by adapting the pairing-based cryptographymechanisms, to the needs of a publish/subscribe system. Furthermore, an algorithm tocluster subscribers according to their subscriptions preserves a weak notion ofsubscription confidentiality. In addition to our previous work , this paper contributes 1)use of searchable encryption to enable efficient routing of encrypted events, 2)multicredential routing a new event dissemination strategy to strengthen the weaksubscription confidentiality, and 3) thorough analysis of different attacks onsubscription confidentiality. The overall approach provides fine-grained keymanagement and the cost for encryption, decryption, and routing is in the order ofsubscribed attributes. Moreover, the evaluations show that providing security isaffordable w.r.t. 1) throughput of the proposed cryptographic primitives, and 2) delaysincurred during the construction of the publish/subscribe overlay and the eventdissemination.

Hardware Specification

Processor : Any Processor above 500 MHz.Ram : 128Mb.Hard Disk : 10 Gb.Compact Disk : 650 Mb.Input device : Standard Keyboard and Mouse.Output device : VGA and High Resolution Monitor.

Software Specification

Operating System : Windows Family.Language : JDK 1.5 Database : MySQL 5.0Tool : HeidiSQL 3.0

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Securing Broker-Less Publish/Subscribe Systems Using Identity-Based Encryption