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cryptography

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Illustration of lock with polynomials surrounding it
Abstractions blog

Mathematicians Seal Back Door to Breaking RSA Encryption

By Kevin Hartnett
December 17, 2018
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Digital security depends on the difficulty of factoring large numbers. A new proof shows why one method for breaking digital encryption won’t work.

Photo of Urmila Mahadev
quantum computing

Graduate Student Solves Quantum Verification Problem

By Erica Klarreich
October 8, 2018
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Urmila Mahadev spent eight years in graduate school solving one of the most basic questions in quantum computation: How do you know whether a quantum computer has done anything quantum at all?

Abstractions blog

Why Quantum Computers Might Not Break Cryptography

By Mark Kim-Mulgrew
May 15, 2017
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A new paper claims that a common digital security system could be tweaked to withstand attacks even from a powerful quantum computer.

computer security

Hacker-Proof Code Confirmed

By Kevin Hartnett
September 20, 2016
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Computer scientists can prove certain programs to be error-free with the same certainty that mathematicians prove theorems.

cryptography

A Tricky Path to Quantum-Safe Encryption

By Natalie Wolchover
September 8, 2015
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In the drive to safeguard data from future quantum computers, cryptographers have stumbled upon a thin red line between security and efficiency.

cryptography

A New Design for Cryptography’s Black Box

By Kevin Hartnett
September 2, 2015
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A recent cryptographic breakthrough has proven difficult to put into practice. But new advances show how near-perfect computer security might be surprisingly close at hand.

Obfuscation
cryptography

Perfecting the Art of Sensible Nonsense

By Erica Klarreich
January 30, 2014
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In a watershed moment for cryptography, computer scientists have proposed a solution to a fundamental problem called “program obfuscation.”

quantum computing

The Proof in the Quantum Pudding

By Erica Klarreich
August 21, 2013
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How do you know if a quantum computer is doing what it claims? A new protocol offers a possible solution and a boost to quantum cryptography.

quantum computing

Classical Computing Embraces Quantum Ideas

By Natalie Wolchover
December 18, 2012
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Computer scientists are finding that “thinking quantumly” can lead to new insights into long-standing problems in classical computer science, mathematics and cryptography, regardless of whether quantum computers ever materialize.


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