How do I get a key for rust?

Hello everyone I am a new person to this website I wanting to know how do you buy or get a key to play the game rust.It would be nice if you guys help me out.

Here, I posted some keys here for people. http://pastebin.com/W1zaWjYu

You suck your ass until it reverses.

Good job, pastebin is overloaded due to all the kids reading that post.

Thank you.

i dont get it, is there keys or no?