It's a common problem with OSX. I think it's to do with OSes having different line ending characters or some similar esoteric bullshit.The fastest way to solve it is to upload the key (via Tor in your case) to a key server. Copy paste it into MIT's public key server. Make sure your PGP key doesn't use your real name or a real email address first!Then once it's processed it'll sort out those invisible characters for us, copy it from that webpage onto here and we'll try it again.