Dynamic S-Box Generation Using Novel Chaotic Map with Nonlinearity Tweaking

A substitution box (S-Box) is a crucial component of contemporary cryptosystems that provide data protection in block ciphers. At the moment, chaotic maps are being created and extensively used to generate these S-Boxes as map assists providing disorder resistance combat cryptanalytical attempts. In this paper, construction dynamic S-Box using cipher key proposed novel an innovative tweaking approach. The projected tweak approach presented for first time use parameters their working makes both nature. employs cubic polynomials while permuting values initial enhance its cryptographic fort. Values provided small variation results completely different unique S-Box. Comparative analysis exploration confirmed exhibits significant amount complexity. security assessment terms bijectivity, nonlinearity, bits independence, strict avalanche, linear approximation probability, differential probability criteria utilized critically investigate effectiveness against several assaults. S-Box’s performance comparable those recently adaption real-world applications. comparative scrutiny pacifies genuine potential applicability security.