Prerequisites: o Ensure you have Python 3.x installed. o Install the NumPy library: Bash pip install numpy; Clone the Repository (or save the code): If this were a Git repository, you would clone it.

The affine cipher is a combination of additive cipher and multiplicative cipher. Plain text to cipher text and vice-versa codes in python. - sukhdev01/Implementation-of-Affine-Cipher ...

This method uses the same key for both encryption and decryption (symmetric cipher). The Multiplicative Substitution Cryptosystem (MSC) is implemented using python programming. The analysis shows that ...