[1] draft-gutmann-scep-00 - Simple Certificate Enrolment Protocol ( 版) <https://tools.ietf.org/html/draft-gutmann-scep-00#section-5.2.6.1>
The response will have a Content-Type of "application/x-x509-next-ca-
cert".
The body of this response consists of a Signed-Data CMS [3], as
defined in Section 4.6.1.