IMPLEMENTATION OF THE DIFFIE-HELLMAN PROTOCOL IN A CHANNEL UNLESS PROTECTED FROM INTERCEPT
T. Yu. Zyryanova, N. A. Raspopov · Journal of the Ural Federal district Information security · 2020
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.