5 ms·

ROT13 is easily reversible. It looks like he used 2ROT13. http://www.mobikom.at/2rot13.pdf http://www.mobikom.at/2rot13.pdf

• MikeCapone 15y ago
  I was kidding about ROT13. I would have expected at least AES-256 hidden via steganography inside photos or sound files..
  • dave1010uk 15y ago
    I knew you were joking; just get reminded of that paper when I see ROT13 mentioned.
    • MikeCapone 15y ago
      Sorry, I misread your comment. Good one :)