IMPLEMENTATION OF THE DIFFIE-HELLMAN PROTOCOL IN A CHANNEL UNLESS PROTECTED FROM INTERCEPT | Zendy

T. Yu. Zyryanova | Zendy; N. A. Raspopov | Zendy

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IMPLEMENTATION OF THE DIFFIE-HELLMAN PROTOCOL IN A CHANNEL UNLESS PROTECTED FROM INTERCEPT

Author(s) -

T. Yu. Zyryanova,

N. A. Raspopov

Publication year - 2020

Publication title -

journal of the ural federal district information security

Language(s) - English

Resource type - Journals

eISSN - 2225-5443

pISSN - 2225-5435

DOI - 10.14529/secur200204

Subject(s) - diffie–hellman key exchange , public key cryptography , computer security , computer science , encryption , protocol (science) , key (lock) , impossibility , key agreement protocol , computer network , channel (broadcasting) , key exchange , block cipher , political science , key distribution , law , medicine , alternative medicine , pathology

This article discusses the implementation of the Diffie-Hellman protocol in an unprotected channel. The essence of this method is to use steganography to transmit the public key in an unsecured channel. The public key is encrypted using a block cipher and encoded into the pic-ture using the LSB method. The uniqueness of the picture and the impossibility of changing the key is ensured by the avalanche effect. The implementation of the Diffie-Hellman protocol in an insecure channel has long remained relevant, although there is a solution in the form of public key infrastructure, but in this article a new solution to this problem was proposed.

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