Public Key Encryption Playground

My interest in public key encryption continues. I wanted to be able to actually use a tool to play  so I wrote one.

It does these things:

1) Generate a key pair.
2) Extract a public key from a private key.
3) Manually enter public or private key.
4) Create a crypto text string from plain text input.
5) Extract plain text from a crypto string.

You can play with this at:

Here's a brief video to get started...

Code is available on github.