# Vigenère Cipher

## Description
This project implements a Vigenère cipher to demonstrate basic encryption and decryption using a keyword-based shifting approach.

## Directory Structure
- `include/`: Contains the header files.
- `src/`: Contains the source code files (`main.c` and `vigenere_cipher.c`).
- `obj/`: Contains the compiled object files.
- `build/`: Contains the Makefile and the compiled binary.

## How to Build
1. Navigate to the `build` directory.
2. Run `make` to compile the project.

## How to Run
1. After building, you will find an executable named `vigenere_cipher` in the `build` directory.
2. Run it using `./vigenere_cipher`.

## How to Clean
- Run `make clean` in the `build` directory to remove all compiled files.