An Efficient Password Security of Multi-Party Key Exchange Protocol Based on ECDLP

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Executive Summary

In this paper, the authors have proposed an efficient password security of multiparty Key Exchange Protocol based on Elliptic Curve Discrete Logarithm Problem. Key exchange protocols allow a group of parties communicating over a public network to establish a common secret key called session key. Due to their significance in building a secure communication channel, a number of key exchange protocols have been suggested over the years for a variety of settings. The Protocol proposed by the authors is a password authentication model, where group members are assumed to hold an individual password rather than a common password. Here the authors have taken two one-way hash functions to build the level of security high.

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