Introduction to ciphers and substitution. Alice and Bob and Carl and Julius: terminology and Caesar Cipher ; The key to the matter: generalizing the Caesar Cipher ; Multiplicative ciphers ; Affine ...

Cryptographic obfuscation and functional encryption have emerged as pivotal tools in contemporary cryptography, offering novel ways to secure software and data while preserving functionality. At its ...

When checking your email over a secure connection, or making a purchase from an online retailer, have you ever wondered how your private information or credit card data is kept secure? Our information ...

You can make a message secret in countless different ways. One common way is to use a substitution cipher, in which one letter is substituted for another. Another is to employ a transposition cipher, ...

Nathan Eddy works as an independent filmmaker and journalist based in Berlin, specializing in architecture, business technology and healthcare IT. He is a graduate of Northwestern University’s Medill ...

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 ...

Serious Cryptography – A Practical Introduction to Modern Encryption written by Jean-Philippe Aumasson, is an incredibly detailed and practical guide to modern encryption, written by one of the ...

Members can download this article in PDF format. In our day-to-day lives, the use of cryptography is everywhere. For example, we use it to securely send passwords over vast networks for online ...