Obtains the message content, if any.
- macOS 10.5+
The CMSDecoder reference returned by the
On return, points to the message’s content. Returns
NULLif the content is detached. You must use the
CFReleasefunction to free this reference when you are finished using it.
A result code. See Security Framework Result Codes.
If the message has detached content, you are responsible for retrieving the content. In that case, you use the
CMSDecoder function to tell the decoder the location of the content.
You cannot call this function until after you have called the