Learn how to implement a classic substitution cipher in C! This step-by-step tutorial walks you through encoding and decoding ...

A cross-platform file synchronization tool developed with Python and Tkinter, supporting multi-configuration management, real-time sync, system tray mode, intuitive GUI, and one-click packaging.

Abstract: The Substitution Box (S-Box) is the only nonlinear component in block ciphers, playing a crucial role in ensuring the security of the cipher. Various methods for generating S-Boxes have been ...