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cryptography

Latest Articles

illustration of a man with a flashlight whose beam reveals a hidden door into a large shadowy vault
machine learning

In Neural Networks, Unbreakable Locks Can Hide Invisible Doors

By Ben Brubaker
March 2, 2023
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Cryptographers have shown how perfect security can undermine machine learning models.

2022 in Review

The Year in Computer Science

By Bill Andrews
December 21, 2022
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Computer scientists this year learned how to transmit perfect secrets, why transformers seem so good at everything, and how to improve on decades-old algorithms (with a little help from AI).

A purple key drawn on a lattice of points.
explainers

How Cryptography’s Quantum-Safe Future Will Work

By Leila Sloman
November 9, 2022
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Lattice cryptography promises to protect secrets from the attacks of far-future quantum computers.

cryptography

New Entanglement Results Hint at Better Quantum Codes

By Allison Parshall
October 24, 2022
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A team of physicists has entangled three photons over a considerable distance, which could lead to more powerful quantum cryptography.

Harry Halpin in a T-shirt and sports coat outdoors
Q&A

The Computer Scientist Who’s Boosting Privacy on the Internet

By Steve Nadis
October 18, 2022
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Harry Halpin wants our internet conversations to be more private. He’s helped create a new kind of network that might make it possible.

cryptography

How Do You Prove a Secret?

By Sheon Han
October 11, 2022
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Zero-knowledge proofs allow researchers to prove their knowledge without divulging the knowledge itself.

A spacecraft, laptop, QR code and CD
information theory

How Mathematical Curves Enable Advanced Communication

By Jordana Cepelewicz
September 19, 2022
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A simple geometric idea has been used to power advances in information theory, cryptography and even blockchain technology.

cryptography

‘Post-Quantum’ Cryptography Scheme Is Cracked on a Laptop

By Jordana Cepelewicz
August 24, 2022
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Two researchers have broken an encryption protocol that many saw as a promising defense against the power of quantum computing.

Five mountain landscapes on floating scrolls representing possible cryptographic worlds.
cryptography

Which Computational Universe Do We Live In?

By Erica Klarreich
April 18, 2022
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Cryptographers want to know which of five possible worlds we inhabit, which will reveal whether truly secure cryptography is even possible.


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