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Fending off quantum computer cyberattacks

A image of graphic numbers and a closeup of a laptop being used in the background

Mathematician creates a hack-proof online security system

In April, 2015, an IBM researcher leading the company’s effort to build a quantum computer wrote, “We’re entering what will come to be seen as the golden age of quantum computing research.” If and when a practical quantum computer becomes reality, it will both revolutionize digital technology and create a tool of phenomenal hacking power.

Internet security is no match for a quantum computer, which can quickly factor the large numbers used in computer encryption to protect email and online transactions. But using high-level number theory and cryptography, Washington State University mathematician Nathan Hamlin has reworked a famous … » More …