Title: Diffie-Hellman Key Exchange Protocol with Entities Authentication

Author(s): Om Pal1*, Bashir Alam2

1Ministry of Electronics and Information Technology, Government of India

2Department of Computer Engineering,  Faculty of Engineering & Technology,

Jamia Millia Islamia,  New Delhi

*This email address is being protected from spambots. You need JavaScript enabled to view it.



The Diffie-Hellman key exchange protocol provides the opportunity to arrive at a common secret key by exchanging texts over insecure medium without meeting in advance. Diffie-Hellman key exchange protocol is limited to the exchange of key only. Due to lack of authentication of entities, this protocol is vulnerable towards man-in-middle attack and impersonation attack. To eliminate the man-in-middle attack, Nanli[9] presented a research paper on Diffie-Hellma key exchange protocol. It is observed that Nanli’s protocol, still suffers with impersonation attack. To deal with this vulnerability, an improved key exchange approach based on third party authentication scheme is proposed in this paper

License: This work is licensed under a Creative Commons Attribution 4.0 International License.


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