Obtains the certificate of the specified signer of a CMS message.
- macOS 10.5+
The CMSDecoder reference returned by the
A number indicating which signer’s email address to return. Signer index numbers start with 0. Use the
CMSDecoderfunction to determine the total number of signers for a message.
Get Num Signers
On return, points to the certificate of the specified signer.
You cannot call this function until after you have called the