Chaotic Encryption

This repository contains the code for encrypting an image using various techniques written completely in python.

Chaotic systems used

1. Logistic map equation

2. Lorenz system of differential equations

Encryption methods used

1. Only substitution (Confusion method)

Here, the code substitutes every pixel of the image with another pixel (which is obtained be XORing the initial pixel's value with a pseudo-random number (different for every pixel) generated using one of the above mentioned PRNG) thus making the encryption very secure.

2. Shuffling and then Substitution (Diffusion then Confusion method)

Here the code first shuffles the pixels of an image using random numbers (one for every pixel) generated using one of the PRNG and then it performs the above described substitution method with another set of keys. Thus this encryption approach is very secure.

Connecting chaos with fractals

The code also aims to connect chaos with fractals which is inspired from here

Final reports

1. Report for encryption using Lorenz system of differential equations

The report can be found here.

2. Report for encryption using logistic map and then connecting chaos with fractals

The report can be found here.