The Diffie-Hellman key exchange (DHKE) is different then most of the cryptography we have been covering in this blog. That is because we

Introduction The Data Encryption Standard (DES) was proposed in the early 1970s by IBM, who based the design of the cipher on an

Introduction This is the beginning of asymmetric cryptography for this series of posts, so if you are just now beginning to follow along

The Substitution Cipher We will discuss one of the simplest ciphers, the substitution cipher. This cipher has a lot of historical relevance being

Motivation In the next few posts I want to discuss the Advanced Encryption Standard or better known as AES, which is the most

The shift cipher, or the better-known name the Caesar cipher named after Julius Caesar is one of the simplest encryption techniques. In fact for those