A new theory argues the famous Voynich Manuscript, often referred to as “the most mysterious book in the world,” may have ...

You could do worse than to confuse the meanings of "code" and "cipher"—even cryptographers sometime use the terms as though they had the same meaning. There is, however, a definite distinction between ...

Ars' own Julian Sanchez has deciphered a code embedded into the TV show Fringe. Bad Robot, the production company that created the Fox TV show, has been integrating puzzles and easter eggs into shows ...

Possibly, the earliest known cryptogram (or substitution cipher) is the Caesar Cipher, supposed to have been used by Julius Caesar. Possibly, the earliest known cryptogram (or substitution cipher) is ...

The concluding words of Unsolved! are a call to action. Craig Bauer, a US mathematician and editor-in-chief of the journal Cryptologia, ends his hefty history of cryptography by noting that even as he ...

Today we’re going to talk about how to keep information secret, and this isn’t a new goal. We’re going to walk you through some common encryption techniques such as the Advanced Encryption Standard ...

Encryption is the process of converting readable data into a coded format that is only accessible by someone with the proper key or password. At its core, encryption ensures privacy and security by ...

Encryption is an essential tool for protecting data—but the technology can be a bit confusing. This ebook explains what encryption is, how it works, and why it’s so important. From the ebook: ...

What do the Gallic Wars and online shopping have in common? The answer, believe it or not, is cryptography. Cryptography is the cement of the digital world, but it also has a long history that ...