A means to generate truly random numbers for cryptology
ACM TECHNEWS
Quantum Computers May Finally Have Practical Use
By New Scientist, March 24, 2023
Google's Sycamore quantum computer.
Quantum computers such as Google’s Sycamore could be put to use creating numbers that are guaranteed to be truly random.
University of Texas at Austin (UT Austin) researchers have developed a method for certifying that quantum computers generate truly random numbers without having to inspect the process.
This involves asking a quantum computer to complete a test in which a series of pseudorandom operations are run on its qubits and measuring the outputs, which act as truly random numbers.
If the resulting outputs cannot be simulated on a classical computer, they are confirmed to be the result of quantum processes, truly random, and suitable for cybersecurity applications.
Said UT Austin's Scott Aaronson, "The huge advantage with this proposal is that you can actually do it with devices that currently exist."
From New Scientist
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