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In this paper, we present new protocol design scenario like Re-Pro Routing Protocol (RPRP) for Broadcasting in wireless mobile Ad-hoc Network and a comparative performance for Mobile Ad hoc Networks protocols like as Ad-hoc On-Demand Distance Vector Routing protocol focusing on the effects of changes such as the increasing number of receivers or sources and increasing the number of nodes. Although some simulation results of MANET protocols have been published before, these protocols have not been compared in isolation. A systematic performance evaluation of these protocols is done by performing certain simulations and the trust methods are one of the security methods in mobile Ad-Hoc networks and this methods are prone to security risks but have found their acceptance due to efficiency over computationally expensive and time consuming cryptographic methods. The major problem with the trust methods is the period during which trust is growing and is yet to reach the requisite threshold. This paper also proposes security mechanism dependent upon Electronic Code (EC) combined with permutation functions. The proposed mechanism has low time complexity, is easier to implement, computationally inexpensive and has very high brute force search value.