Cryptographic algorithms lie at the heart of modern information security, and substitution box (S‐box) design is a critical component in achieving robust encryption. S‐boxes provide the nonlinearity ...

Keeping information secure is paramount in today’s connected world. Towards this end governments and businesses worldwide view cryptography as a key protective tool to secure critical data and ...

Before we move into the meat of this article, let’s define a couple terms related to cryptography. The syllable crypt may make you think of tombs, but it comes from a Greek word that means “hidden” or ...

Snowden documents say NSA introduced weaknesses to the number-generating guidance. The National Institute of Standards and Technology has finally removed a cryptographic algorithm from its draft ...