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 ...

Cryptography is nearly as old as human language. Many civilizations felt the need to conceal their messages using more or less sophisticated encryption methods, as demonstrated by some documentary ...

Introduction The Shorter Oxford English Dictionary lists the 5th meaning of the word cipher as, “A secret manner of writing by any of various methods, intelligible only to those possessing the key ...

CSL Dualcom, a popular maker of security systems in England, is disputing claims from [Cybergibbons] that their CS2300-R model is riddled with holes. The particular device in question is a ...

A longstanding joke in the cybersecurity industry is that the only way to truly secure data and information is to store it offline on a machine that cannot be connected to power or the internet — and ...

We discuss cryptography's history and use in modern day computing When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Whether for secure ...

Mysterious cryptic code suddenly appeared on the Internet in January 2012Cicada 3301"Attracts the interests of programmers and hackers all over the world. Although a lot of people got on reading the ...

Secret code or foreign language? For machines, it might not matter. Without any prior knowledge, artificial intelligence algorithms have cracked two classic forms of encryption: the Caesar cipher and ...