[1] WinRM/transport.rb at master · WinRb/WinRM ( (2014-10-22 15:06:01 +09:00 版)) https://github.com/WinRb/WinRM/blob/master/lib/winrm/http/transport.rb

[2] WSman / WinRM message encryption ( (2014-10-22 15:06:33 +09:00 版)) https://social.msdn.microsoft.com/Forums/en-US/db7ab0da-3bee-4965-a03f-0e3316e606da/wsman-winrm-message-encryption