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Cryptography

Latest Articles

Quantum Speedup Found for Huge Class of Hard Problems

March 17, 2025

It’s been difficult to find important questions that quantum computers can answer faster than classical machines, but a new algorithm appears to do it for some critical optimization tasks.

The Year in Computer Science

December 19, 2024

Researchers got a better look at the thoughts of chatbots, amateurs learned exactly how complicated simple systems can be, and quantum computers passed an essential milestone.

How Public Key Cryptography Really Works, Using Only Simple Math

November 15, 2024

The security system that underlies the internet makes use of a curious fact: You can broadcast part of your encryption to make your information much more secure.

New Elliptic Curve Breaks 18-Year-Old Record

November 11, 2024

Two mathematicians have renewed a debate about the fundamental nature of some of math’s most important equations.

Computer Scientists Combine Two ‘Beautiful’ Proof Methods

October 4, 2024

Three researchers have figured out how to craft a proof that spreads out information while keeping it perfectly secret.

How Base 3 Computing Beats Binary

August 9, 2024

Long explored but infrequently embraced, base 3 computing may yet find a home in cybersecurity.

How Does Math Keep Secrets?

August 1, 2024

Cryptography is the thread that connects Julius Caesar, World War II and quantum computing, and it now lies under nearly every part of modern life. In this week’s episode, computer scientist Boaz Barak and co-host Janna Levin discuss the past and future of secrecy.

Cryptographers Discover a New Foundation for Quantum Secrecy

June 3, 2024

Researchers have proved that secure quantum encryption is possible in a world without hard problems.

Cryptography Tricks Make a Hard Problem a Little Easier

April 18, 2024

Researchers have shown how to find the simplest description of a data set faster than by simply checking every possibility.

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