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Einstein's Spooky Theory Could Bring Snowden's Encrypted Internet Dream to Life

concertina226 (2447056) writes | about 6 months ago

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concertina226 (2447056) writes "Albert Einstein's "spooky" quantum mechanics theory about entangled particles that can stay connected even when separated by large distances could be applied to encrypt communications and improve security over the internet.

The phenomenon is known as the N-partite Einstein-Podolsky-Rosen (EPR) steering and over half a century later in the 1990s, scientists finally succeeded in using it to securely transmit a message from one person to another.

They created a shared quantum key that decoded the message only for the sender and receiver – meaning that the message would be completely secure from interception until it was received. However, until now, the quantum key has only worked for sharing messages between two parties."

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