Hashing is a one-way cryptographic function while encryption is designed to work both ways. Encryption algorithms take input and a secret key and generate a random looking output called a ciphertext.

You can’t un-ring a bell, but you might be able to un-hash an email, depending on whom you ask. In order for marketers to safely use hashes for targeted advertising, they must stay abreast of the ...

Passwords are the keys to our online identities, and as a result, they’re also near the top of the target list for attackers. There have been countless breaches in the last few years in which ...

Mashable’s series Algorithms explores the mysterious lines of code that increasingly control our lives — and our futures. “The Algorithm” is impenetrable. It’s mysterious, it’s all-knowing, it’s ...

Phil Goldstein is a former web editor of the CDW family of tech magazines and a veteran technology journalist. He lives in Washington, D.C., with his wife and their animals: a dog named Brenna, and ...

The most popular web browsers are calling time on SHA-1, the hashing algorithm for securing data, and will soon begin blocking sites that use it. In a blog post, Microsoft stated that the algorithm ...

Researchers have found a new way to attack the SHA-1 hashing algorithm, still used to sign almost one in three SSL certificates that secure major websites, making it more urgent than ever to retire it ...

Audio hashing transforms raw audio signals into compact, fixed-length representations that capture perceptual characteristics, thereby facilitating rapid identification and verification of audio ...