A Novel Homomorphic Against Intersession Coding attacks Using InterMac

International Journal of Computer Trends and Technology (IJCTT)          
© - August Issue 2013 by IJCTT Journal
Volume-4 Issue-8                           
Year of Publication : 2013
Authors :P.Sravani, D.Deewena Raju


P.Sravani, D.Deewena Raju "A Novel Homomorphic Against Intersession Coding attacks Using InterMac"International Journal of Computer Trends and Technology (IJCTT),V4(8):2863-2867 August Issue 2013 .ISSN 2231-2803.www.ijcttjournal.org. Published by Seventh Sense Research Group.

Abstract:-  – Network coding allows intermediate nodes to encode data packets, which increases network throughput and enhances robustness. However, once the node injects corrupted data blocks into a network, the polluted data blocks will propagate quickly with network coding. In the existing approach a new homomorphic MAC scheme called SpaceMac, which makes it possible for an intermediate node validating whether received packets remain in a selected subspace, even when the subspace is expanding eventually. Then, by using SpaceMac to be the building block to develop a cooperative scheme that gives complete defense against pollution attacks: (i) it might detect polluted packets early at intermediate nodes, and (ii) it could know the exact location of every, even colluding, attackers, thereby making it a possibility to eliminate them. This system fails to detects the malicious attacks in inter-session attacks of souce packets. In this proposed work, we`ll ?rst de?ne precisely damaged packets in inter-session pollution based on the commitment of a given source packets. Within this system a new detection scheme: one hash-based and other MAC-based schemes i.e(Improved InterMac and SpaceMac). InterMac is the ?rst multisource homomorphic HMAC scheme that supports multiple keys. All schemes provide in-network detection, are collusion-resistant, and have very low online bandwidth and computation overhead.



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Keywords : —  SpaceMac, Packet Session, Node, MaliciousNodes ,Pollutant Attack.