My cryptography tool in C#

If you want to give my cryptography tool in C# a try, I would be happy. It's my first serious work regarding this topic, so don't judge me too much if you see any errors. Instead, it would be better if you report them to me, so I can fix them.

Here is the link to the repository: https://github.com/ShadowWizardPete/CryptographyTool