Web app using Streamlit to implement various substitution and transposition cipher techniques. Users can input plaintext, select a cipher (like Caesar, Vigenère, or Hill), enter relevant parameters, ...

Web app using Streamlit to implement various substitution and transposition cipher techniques. Users can input plaintext, select a cipher (like Caesar, Vigenère, or Hill), enter relevant parameters, ...

Abstract: Among the current image encryption methods, the traditional S-box can only achieve byte-level pixel replacement, resulting in low efficiency. Moreover, independent encryption of RGB channels ...