Tian-Fu Lee, I-Pin Chang and Ching-Cheng Wang Efficient three-party encrypted key exchange using trapdoor functions Security and Communication Networks 6
This investigation presents a novel efficient and secure three-party encrypted key exchange protocol using trapdoor functions and its round-efficient version. The proposed protocol employs the Diffie-Hellman encrypted key exchange and adopts the technique that the clients can publicly exchange the factors for generating the session key without the help of the server to reduce the numbers of transmissions. Compared with related approaches, the proposed protocol retains security requirements, possesses lower computational cost, and has fewer transmissions.
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