Apologies to anyone who finds out that this signed message doesn't verify.  Formatting reasons exist within Markdown.  A signature of the above message can be found at www.matthewniemerg.com/STEEMIT/Comments/justin.encryption.comment.1.asc .

Since STEEMIT requires a login with a private key, it is implicit that you are signing a message.  I am only signing these comments and a few posts to prove authenticity, which can be verified with my other public key that is hosted on MIT's public GPG servers.