I'm not sure SCP is specified at all, though. I recently wrote a true SCP client for Go (not SFTP, which oddly enough all the other "SCP" clients for Go use).

I'm not sure SCP is specified at all, though. I recently wrote a true SCP client for Go (not SFTP, which oddly enough all the other "SCP" clients for Go use). The only documentation I could find at all was a single blog post from a guy who worked at Oracle.