playfairCypher-C

Introduction:

This is a cypher / decypher algorithm called Playfair written in C. It was for an university project.

What do you need:

1. A C compiler
2. Cmake installed in your computer

How to use:

1. Download the files
2. Extract it in a directory
3. "cd" into the directory
4. Run the following commands:

  mkdir build
  cd build
  cmake ..
  cmake --build .

If you want to encode files, run:

  ./playfair encode <keyfile> <output_dir> <file1> ... <filen>

If you want to decode files, run:

  ./playfair decode <keyfile> <output_dir> <file1> ... <filen>