Topic - Cybersecurity Using Windows Forms App C#

Create three applications: 1. Only component is a button which generate a random key and save it to cypherkey.txt file.

2. Component is a textbox and a button. This application is to encode text from textbox and save result to encodetext.txt file (use a key from cypherkey.txt for encoding)

3. Component is a textbox and a button. This application is to decode text from encodetext.txt and show result in the textbox