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The Conversation
The Conversation
Yashas Hariprasad, Assistant Professor of Computer Science, California State University, East Bay

Quantum scheme protects videos from prying eyes and tampering

Quantum physics enables hack-proof video transmission. sakkmesterke/iStock via Getty Images

We have developed a new way to secure video transmissions so even quantum computers in the future won’t be able to break into private video livestreams or recordings. We are computer scientists who study computer security. Our research introduces quantum-safe video encryption, which combines two complementary techniques: quantum encryption and secure internet transmission.

With our encryption system, a hacker wouldn’t be able to access or understand the video data because it’s scrambled using a quantum key that changes unpredictably. Cryptographic keys scramble data so that only someone with the correct key can unscramble it. If the hacker even tries to peek, the system detects it and raises an alarm. The video also travels in the digital equivalent of a locked box over the internet, so nobody can swap or tamper with it in transit.

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