• A.KANNAN

In wireless ad hoc networks security is a big challenge due to the lack of any infrastructure support, dynamic network topology, shared radio medium, and resource-restraint wireless users. Most existing security mechanisms applied for the Internet or basic wireless networks are neither applicable nor suitable for wireless ad hoc network environments. In Mobile Ad Hoc Networks, routing security is an extremely important issue, as the majority of the standard routing protocols imagine non-hostile surroundings. Once installed in a hostile environment and working in an unattended mode, prevailing routing protocols are accessible to several attacks. Existing work on sensing coverage mainly focus on how attain a needed coverage, using the minimum number of sensors while security constraints are not sufficiently addressed. In this thesis, two effective pair wise key pre-distribution and management mechanisms are proposed for both distributed and hierarchical large-scale Wireless Sensor Networks, and they enable establishing secure links between any two sensors nodes located within their communication range, based on random graph theory and a realistic random key pre-distribution systems, in order to attain both robust sensing coverage and secure connectivity simultaneously in a hostile deployment environment.

Mobile Ad Hoc Networks, Key Pre-distribution mechanism, Denial-of-Service

"A NOVEL STUDY OF PRE DISTRIBUTES KEYS AND KEYING ASSETS USING COMBINATORIAL DESIGNS ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 6, page no.848-850, June 2019, Available :http://www.jetir.org/papers/JETIR1907575.pdf

"A NOVEL STUDY OF PRE DISTRIBUTES KEYS AND KEYING ASSETS USING COMBINATORIAL DESIGNS ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 6, page no. pp848-850, June 2019, Available at : http://www.jetir.org/papers/JETIR1907575.pdf