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Analysis of information encryption methods in multichannel telecommunication systems

An analytical review of works devoted to the issues of transmission and cryptographic information in multi-channel telecommunication systems is presented. The methods of improving the cryptographic protection of messages from unauthorized access to communication channels during the transmission of information of a mixed type of traffic are analyzed. A new approach to the protection of information from unauthorized access in multichannel telecommunication systems, taking into account the peculiarities of the cryptographic method of encrypting and encoding transmitted messages via communication channels, is proposed.