Learn how to implement a classic substitution cipher in C! This step-by-step tutorial walks you through encoding and decoding messages by replacing each letter with another according to a fixed key. A ...

Curious how the Caesar Cipher works? This Python tutorial breaks it down in a simple, beginner-friendly way. Learn how to encode and decode messages using one of the oldest and most famous encryption ...

The Voynich manuscript—a mysterious medieval book that has defied translation for centuries—may have been created using a special code developed with the help of cards and dice, a new study suggests.

We list the best IDE for Python, to make it simple and easy for programmers to manage their Python code with a selection of specialist tools. An Integrated Development Environment (IDE) allows you to ...

A match is played by two teams, each with a maximum of eleven players; one must be the goalkeeper. A match may not start or continue if either team has fewer than seven players. If a team has fewer ...

A 32-round symmetric Feistel structure A purely logical round function using AND, XOR, and fixed rotations S-box-free design for compact hardware realization On-the-fly round-key generation using an ...

Encrypts and decrypts text messages using shift or substitution keys. Includes test suites for verifying correctness. Command-line interface for interactive use.