Abstract
The paper considers a secure information transfer protocol for corporate IP-telephony system. In the article are analized the advantages and disadvantages of the known protocols. A description of the process of establishing a connection, sending text messages and voice communication in the developed protocol is given. Its practical significance and expediency of use are described.
Highlights
One of the fundamental principles of modern communication systems is the provision of servers that ensures the functioning of the system, “somewhere on the Internet”
As well as all packets transmitted from the client, contains a unique connection identifier that was used for authorization
The client's IP address and port are remembered by the server
Summary
One of the fundamental principles of modern communication systems is the provision of servers that ensures the functioning of the system, “somewhere on the Internet” This is convenient for users, since to connect to the system, you only need to download the client application from the store and perform the minimum steps to configure it. If we consider the Viber system, the development of its client-side is carried out in Belarus, but the server-side is in Israel, and Belarussian programmers do not have access to the server-side codes. It should be bear in mind that asymmetric algorithms, in addition to large computational costs compared to symmetric ones, and achieving the same cryptographic strength with a longer key length, have weak resistance to man-in-the-middle attacks
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