For the third time in less than a year, security researchers have found a method to attack encrypted Web communications, a direct result of weaknesses that were mandated two decades ago by the U.S.

This story originally appeared on Ars Technica, a trusted source for technology news, tech policy analysis, reviews, and more. Ars is owned by WIRED's parent company, Condé Nast. Last month, the US ...

The Diffie-Hellman algorithm was a stunning breakthrough in cryptography that showed cryptographic keys could be securely exchanged in plain sight. Here’s how it works. Whitfield Diffie and Martin ...

Asymmetric encryption (public-key algorithms) involves a key pair: a public key for encryption or signature verification and a private key for decryption or signing. This category includes RSA, Diffie ...

An encryption algorithm that was supposed to stand up to attacks from the future's most powerful computers was recently laid low by a much simpler machine. Reading time 2 minutes It turns out that ...