FIELD: computing technology.
SUBSTANCE: method for authentication of switches based on signal encoding in several bases, consisting in the fact that to obtain a random binary sequence of a predetermined length with a predetermined length of the communication line, evenly distributed by angle relative phases of information coherent states are used, the number whereof increases if the length of the authentication code is less than the effective code length, wherein authentication modules consisting of an interferometer with a delay line, a phase modulator and an optical connector, allowing for implementation of an algorithm for connection of new equipment to the fibre-optic network forming an authentication code, are embedded in the SPF modules of the switches for authentication of the switches.
EFFECT: technical result consists in ensuring authentication of second-level switches (OSI model) in military communication networks.
1 cl, 4 dwg
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