Quantum computers powerful enough to break widely used public-key encryption aren’t here yet, but migration won’t be as simple as swapping in a new tool.

Michael Gao, the co-founder of California-based start-up Fabric Cryptography, makes a bold claim. “We’re going to do for cryptography what Nvidia has done for artificial intelligence (AI),” he says.

On October 26, China’s National People’s Congress passed the Cryptography Law, two years after an initial draft was released in April 2017. Long overdue given the importance of cryptography in cyber ...

Before we move into the meat of this article, let’s define a couple terms related to cryptography. The syllable crypt may make you think of tombs, but it comes from a Greek word that means “hidden” or ...

As quantum computing advances, discussions around the future of cryptography are becoming increasingly common. In many conversations, one message is often heard: in the future, only quantum-safe ...

In 1994, the computer scientist Peter Shor discovered that if quantum computers were ever invented, they would decimate much of the infrastructure used to protect information shared online. That ...

The original version of this story appeared in Quanta Magazine. Hard problems are usually not a welcome sight. But cryptographers love them. That’s because certain hard math problems underpin the ...