PkiArchiveControl
Return the archive control type, one of: encryptedPrivKey,keyGenParameters,or archiveRemGenPrivKey.
            
Return whether this control contains enveloped data.
            
Return the type of this control.
            
Return the underlying ASN.1 object.
            
Basic constructor - build from an PKIArchiveOptions structure.
            
Return the enveloped data structure contained in this control.