Joined: 11 Oct 2010 Posts: 493 Location: between the keyboard and the chair
Posted: Wed 14 Sep 2011, 08:42 Post_subject:
What is PGP and public key
I know what is Public Key and how Public Key cryptography works
But what exactly is that thing which people post on their websites as their public? What I meant to ask was how do I use it?
For example, I found this on a personal website
-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: GnuPG v1.4.3 (GNU/Linux)
So now I know his public key. But how can I use it now?
Also, please see this
What is the joke here? What happens if you sign the public key? I guess you sign some document using your private key. So what does it do if you sign someone else's public key? Does it make your private key insecure? Or does it make it look like you are verifying that particular public key?