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computer security
cryptography
Cryptographers Achieve Perfect Secrecy With Imperfect Devices
For the first time, experiments demonstrate the possibility of sharing secrets with perfect privacy — even when the devices used to share them cannot be trusted.
computer security
Computer Scientists Achieve ‘Crown Jewel’ of Cryptography
A cryptographic master tool called indistinguishability obfuscation has for years seemed too good to be true. Three researchers have figured out that it can work.
computer security
Cryptography That Is Provably Secure
Researchers have just released hacker-proof cryptographic code — programs with the same level of invincibility as a mathematical proof.
Abstractions blog
Why Quantum Computers Might Not Break Cryptography
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
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
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
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.
cryptography
Perfecting the Art of Sensible Nonsense
In a watershed moment for cryptography, computer scientists have proposed a solution to a fundamental problem called “program obfuscation.”
cryptography
Privacy by the Numbers: A New Approach to Safeguarding Data
A mathematical technique called “differential privacy” gives researchers access to vast repositories of personal data while meeting a high standard for privacy protection.