An optimized substitution box generator based on cubic pell curves and its application in image encryption

Key Points

• Image encryption demonstrates increased security with a novel substitution box design based on cubic pell curves.
• The optimization process resulted in significantly lower computational complexity while enhancing encryption effectiveness.
• Analysis of the newly developed algorithms provides insights into cryptographic security improvements in digital images.
• Cubic pell curves show potential in cryptography, suggesting further exploration for robust encryption methodologies.