Abstract

Ever since 2-party Diffie-Hellman exchange was first proposed in 1976, there have been efforts to extend its simplicity and elegance to a group setting. Notable solutions have been proposed by michael Steiner Gene Tsudik Waidner(in 1996) and Recently G.P.Biswas was proposed a contributory group key agreement protocol for generation of multiparty key and compared with other protocol and satisfactory results obtained.

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