en.Wedoany.com Reported - German public broadcaster ARD, in collaboration with Vodafone and the Baden-Württemberg Cooperative State University (DHBW), recently completed a test of television streaming transmission based on quantum encryption technology.

The test was conducted over a fiber optic line connecting the ARD site in Frankfurt and the Southwest Broadcasting (SWR) building in Mainz, with SWR leading the experiment. According to the three partners, this encryption method aims to prevent program content from being tampered with or hijacked by cyber attackers, such as when attackers inject false content to influence millions of viewers.

During the test, the partners deployed corresponding quantum technology at the two television sites, connected via a dedicated fiber optic line (i.e., the quantum channel). Photons were transmitted in specific quantum states to this channel, and keys were generated at both ends based on these states.

Any attempt to eavesdrop on the channel would inevitably alter the quantum states, immediately exposing the intrusion. At that point, the key would automatically update, while the security of the transmitted data remains unaffected.

Fabrizio Rocchio, Head of Network and Technology at Vodafone, stated that this test demonstrates the potential to protect sensitive data through more secure communication channels in the future. However, when this technology will be deployed in regular broadcast operations remains uncertain.

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