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 ...
The year was 1637, and Georg Baresch, an alchemist and renowned collector of antiquities based in Prague, had a baffling mystery on his hands. For years now, he had been in possession of a most ...
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 ...
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