The article discusses NIST’s efforts to develop a truly random number generator using quantum mechanics, which could revolutionize network security. The project aims to create a “random number beacon” that generates a continuous stream of quantum-verified random numbers available to the public. This would provide a trusted, uncrackable source of randomness essential for secure digital transactions.
The key technical challenge is conducting a loophole-free Bell test to prove the randomness is purely quantum mechanical. This requires closing the “locality” and “detection” loopholes by ensuring measurements are made far apart and detecting nearly all photons. NIST’s expertise in quantum optics and detector technology positions them well to achieve this.
If successful, the beacon could enable new security applications like selective disclosure of information and device-independent secure communications. The project also raises deep philosophical questions about the nature of randomness and quantum mechanics.
Implementation is expected within 5 years, with initial output of a 512-bit string every minute. The work could lead to unprecedented levels of network security and establish a new standard for random number generation.
Source: https://www.nist.gov/news-events/news/2012/10/truly-random-numbers-not-chance
Keywords: Entanglement, Bell Test, Quantum Mechanics, Photonic States, Random Number Generator