The original version of this story appeared in Quanta Magazine. In our increasingly digital lives, security depends on cryptography. Send a private message or pay a bill online, and you’re relying on ...

Blowfish is a variable-length, symmetric, 64-bit block cipher. Designed by Bruce Schneier in 1993 as a "general-purpose algorithm," it was intended to provide a fast, free, drop-in alternative to the ...

Two researchers have improved a well-known technique for lattice basis reduction, opening up new avenues for practical experiments in cryptography and mathematics. In our increasingly digital lives, ...

Peter Shor published one of the earliest algorithms for quantum computers in 1994. Running Shor's algorithm on a hypothetical quantum computer, one could rapidly factor enormous numbers—a seemingly ...

Ofer A. Lidsky is an entrepreneur with over 30 years of experience and is the founder and CEO of Excellent Brain. In today’s digital age, data encryption is vital for protecting sensitive information.

You're catching up on some emails. Verifying your identity with a passport picture. Paying an invoice with your bank details. In the background, a "bad actor" is collecting all of your encrypted ...

The rapid expansion of the Internet of Things has driven the need for security solutions that respect the severe resource constraints of many devices. Lightweight cryptographic algorithms are tailored ...