Currently, the electric train "Lastochka" is successfully operating in "autopilot" mode on the Moscow Central Circle. The data transmitted between the onboard computer and external sources is already protected by cryptographic means. However, specialists from the Research Institute of Automation and Control in Technical Systems (NIIAS) have developed a new way to enhance the security of information exchange by proposing the implementation of a quantum key distribution (QKD) system.
This system will ensure data transmission via optical atmospheric communication channels using quantum encryption, which will significantly increase the level of information protection against unauthorized access.
It is assumed that the electric train "Lastochka" will automatically connect to the QKD system in a contactless mode. This will be achieved using special telescopic devices that will ensure a reliable connection and data transmission.
NIIAS is currently working on the technology and creating prototypes of the new system, which should significantly improve the security of automated information systems in railway transport. Quantum encryption will be an important step forward in ensuring the safety and reliability of information flows in the railway communication system.
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