The story of Kryptos and the cryptanalyst who spent decades trying to solve the CIA sculpture greatest mystery.

The Voynich manuscript has long been shorthand for the unsolved and the unknowable, a late medieval codex filled with looping ...

A newly-developed cipher could finally shine light on how the strange text of the Voynich manuscript was devised.

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 ...

Explore the inner workings of the javax.crypto.Cipher class in Java's cryptography API: understand its provider-based architecture ...

It’s long been assumed that the identity of the “Zodiac killer,” who terrorized Northern California from the late ‘60s through the early ‘70s, is one of those mysteries that will never be solved.