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

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 ...

Abstract: Masking countermeasures are robust solutions applied to cryptographic devices to improve their side-channel analysis resistance. Implementing substitution boxes (S-boxes) and using an ...

Car buyers in the UK should always obtain an official history check to avoid purchasing a used car misrepresented by its seller. Scammers often use second-hand cars to hide the problems and flaws of ...