Tutorials and code examples posted on kotlincraft.dev

A short code to crack Experimental ElGamal cryptosystem and Rabin’s method.

Сalculation of cryptographic characteristics for a cipher based on a generalized feistel network

System which encodes a message within an image or an audio file using a combination of cryptography and steganography, and decrypts it when the same multimedia file is provided. 🔐

REST API Server used in CryptoLearn web application for ₿lock Mining and Keys Sign-Verify.

The project aims at building its own cryptocurrency from scratch using blockchain technology. The project uses Python language along with Flask Frameworks to deploy it on a localhost server. This project therefore not only gets us to know about block chain, encryptions and keys but also brings us closer to the world of cryptocurrency.

This is a steganography application built using Flutter, allowing you to encode and decode messages within images. The app supports both mobile and desktop platforms.

Password Manager built using Python, Sqlite3, PyQt, and Cryptography

A beginner-friendly static web project built with HTML and CSS that explains the fundamentals, objectives, benefits, and drawbacks of cryptography through multiple linked pages.

A java program to embed and extract secret messages inside images. It's not my algorithm. This algorithm is one of our professor's named Dr. Ashok Nath. I just tried to refurbish the algorithm a little bit not much.

Solutions that we managed to find for the 2022 PicoCTF

Cryptography code practice 2024-2

SIMD optimized implementations of the Chacha stream cipher