Building a utility-scale quantum computer that can crack one of the most vital cryptosystems—elliptic curves—doesn’t require ...

Building on a landmark algorithm, researchers propose a way to make a smaller and more noise-tolerant quantum factoring circuit for cryptography. The most recent email you sent was likely encrypted ...

CAMBRIDGE, MA — The most recent email you sent was likely encrypted using a tried-and-true method that relies on the idea that even the fastest computer would be unable to efficiently break a gigantic ...

In 1994, Peter Shor, an American mathematician working at Bell Labs, published a paper with a wonky title and earth-shaking implications. In “Polynomial-Time Algorithms for Prime Factorization and ...

SAN JOSE, Calif., — Scientists at IBM’s Almaden Research Center have performed the world’s most complicated quantum-computer calculation to date. They caused a billion billion custom-designed ...