Required files
- socket
- timeout
- net/ssh/errors
- net/ssh/loggable
- net/ssh/version
- net/ssh/transport/algorithms
- net/ssh/transport/constants
- net/ssh/transport/packet_stream
- net/ssh/transport/server_version
- net/ssh/verifiers/null
- net/ssh/verifiers/secure
- net/ssh/verifiers/strict
- net/ssh/verifiers/lenient