FIELD: communication network technologies.
SUBSTANCE: technical result is achieved by a device for cryptographic protection of information transmitted over communication networks, comprising i subscriber modules (SM), where i=1÷N, one central data transmission module (CM) and telecommunication network, each of the SMs having an input / output unit, an interface, a processor, a memory unit, a transceiver, a packet forming unit, a subscriber encryption unit, a channel encryption unit, a subscriber decryption unit, a channel decryption unit, an information carrier, the device CM having a control unit, a control interface, an information security management interface, an encryption key memory unit, a subscriber authentication unit, a subscriber address memory unit, a subscriber encryption server, a CM memory unit, a channel encryption server, an encryption key control unit, a CM transceiver, a channel encryption unit, a channel decryption unit, a subscriber encryption unit of CM, a subscriber decryption unit of CM, a unit for generating CM packets.
EFFECT: technical result consists in improvement of information protection level and possibility of confidential information transmission over open communication channels.
1 cl, 1 dwg
