The Fun Of Cryptography

Nancy the cavewoman and frequency analysis-1

An introduction to frequency analysis

Secret Santa, Paul, and Monoalphabetic Ciphers

We finally got started with our first cipher in our…

Our first cipher!

This time we get our hands dirty and do the work

Till now what we’ve been doing is like walking around a swimming pool and describing it in detail. But unless we dive into the pool, we’ll never really know what it’s like.

Codes and Ciphers

Looking at the different ways to encrypt a message

Kerchkoff’s Principle

The first step to a secure cryptosystem

So we studied in the last post (https://bit.ly/3aJHwN3) how we have to make some information exclusive to intended participants for a system to be secure. But we have also seen that you can choose…

Locks and Keys

The concept of a key is so fundamental that I’ve made it the publication avatar for this blog. Let’s look into it a little more.

Why Crypto?

As any self-respecting writeup should do, this post is going to explain what cryptography is all about and why it is important.