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在线翻译:
szdaily -> China
Jinan network impenetrable to hackers
    2017-July-12  08:53    Shenzhen Daily

A COMMUNICATIONS system that is said to be impenetrable to hackers is expected to be put into commercial use in Jinan, capital of East China’s Shandong Province, by the end of next month.

The Jinan Institute of Quantum Technology announced Sunday that the “quantum communication network,” connecting Party and government bodies in the city, had been tested and the designers were satisfied with its performance, especially in secure communications.

Liu Hong, a Shandong University professor who was involved in the test, said the network had proved to be in a “very ideal” condition.

In the test, which involved over 50 programs, the network transmitted data with quantum encryption keys among nearly 200 terminals in the city. Between users, more than 4,000 keys were generated in just a second, said Zhou Fei, an assistant director at the institute.

Quantum communication uses an entanglement of photons to make sure that nobody taps into the line, for doing so would inevitably corrupt the signal.

In quantum communication, any interference is detectable.

Zhou said the success of the test is a landmark in the development of quantum communication technology worldwide, paving the way for its commercial use first in government and then in finance and other sectors.

China has become the first country in the world to establish photon entanglement at a distance of more than 1,200 kilometers, paving the way for ultrasecure, long-distance quantum communication.

In July, Beijing and Vienna will try to conduct the world’s first cross-continental video call using Micius, the world’s first quantum communication satellite launched by China last year. It will take more than a decade for such technologies to reach the public, scientists say.   (Xinhua)

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