Welcome to the resource topic for 2021/647
Title:
privateDH: An Enhanced Diffie-Hellman Key-Exchange Protocol using RSA and AES Algorithm
Authors: Ripon Patgiri
Abstract:RSA cryptography is an asymmetric communication protocol, and it is facing diverse issues. Recent research works suggest that RSA security has already broken. On the contrary, AES is the most used symmetric-key cryptography protocol, and it is also facing issues. Literature search suggests that there is an issue of cryptanalysis attacks. A shared secret key requires for AES cryptography. The most famous key exchange protocol is Diffie-Hellman; however, it has an issue of the number field sieve discrete log algorithm attacks. Moreover, recent research suggested that Diffie-Hellman is less secure than widely perceived. Moreover, there is another issue of Logjam attack that allows man-in-middle attack in Diffie-Hellman. Thus, we combine RSA, AES, and Diffie-Hellman algorithm to provide security on the key exchange protocol, called privateDH. Our key objective is to provide security to the Diffie-Hellman Algorithm. Therefore, privateDH does not share the data publicly with the intended party. Instead, privateDH encrypts all shareable data in the time of key exchange by encrypting using the AES algorithm. privateDH uses the RSA algorithm and retrieves the public key to avoid a man-in-the-middle attack. Thus, we demonstrate how to provide security to the Diffie-Hellman algorithm to defeat various kinds of attacks.
ePrint: https://eprint.iacr.org/2021/647
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