couldn't load private key (file does not begin with openssh key header)例子-
--开始证书- MIID9DCCAtygAwIBAgIBQjANBgkqhkiG9w0BAQUFADCBijELMAkGA1UEBhMCVVMxqyyxHE5Wd5oqde0oo9UUpFETJPVb6Q2cEeQib8PBAyi0i6KnF+kIV A9dY7IHSubtCK/i8wxMVqfd5GtbA8mmpeJFwnDvm9rBEsHybl08qlax9s