why2 – easy to use encryption system

why2 is billed as a lightweight, fast, secure, and easy to use encryption system.

The WHY2 encryption algorithm is loosely inspired by AES, but with a twist. Instead of relying on S-boxes, WHY2 uses a nonlinear ARX-style transformation (Addition, Rotation, XOR) for symmetric diffusion.

This is free and open source software.

Features:

• Grid-based encryption with customizable layout.
• ARX-style nonlinear mixing instead of S-boxes.
• Round-key generation from seeded, shuffled keys.
• Lightweight encrypted chat backend for private deployments.
• Maximal customization.

Website: git.satan.red/ENGO150/WHY2
Support:
Developer: Václav Šmejkal
License: GNU General Public License v3.0

why2 is written in Rust. Learn Rust with our recommended free books and free tutorials.

Explore Linux
	Best Free and Open Source Software - A huge collection of recommended free and open source software covering every major category.
	In-depth Linux Software Reviews - Detailed assessments of Linux software covering features, usability and overall quality.
	The Big List of Active Linux Distros - An extensive collection of actively developed Linux distributions.
	Open Source Alternatives - Alternatives to software and services from Google, Microsoft, Apple, Adobe, IBM, Autodesk, Oracle and others.
	Essential Linux System Tools - Indispensable utilities for monitoring, maintaining and managing Linux systems.
	Linux Productivity Tools - Useful utilities for improving productivity and streamlining everyday tasks.
	Alternatives to Popular CLI Tools - Modern alternatives to familiar command-line utilities supplied with Linux systems.
	Awesome Free Linux Game Tools - Tools, utilities and companion software that improve gaming on Linux.
	Machine Learning on Linux - Machine learning and deep learning software, self-hosted applications and practical tools.
	Saving Money with Linux - Practical ways to reduce electricity consumption and lower computing costs with Linux.
	Linux Candy - Fun, entertaining and sometimes delightfully quirky software from the lighter side of Linux.