[
    uuid(91ae6020-9e3c-11cf-8d7c-00aa00c091be),
    pointer_default(unique)
]
interface ICertPassage
{

typedef struct _CERTTRANSBLOB {
	unsigned long				cb;
	[size_is(cb), unique] unsigned small *	pb;
} CERTTRANSBLOB;

unsigned long
CertServerRequest(
	[in] handle_t h,
	[in] unsigned long dwFlags,
	[in, string, unique] unsigned short *pwszAuthority,
	[in, out, ref] unsigned long* pdwRequestId,
	[out] unsigned long* pdwDisposition,
	[in, ref] CERTTRANSBLOB* pctbAttribs,
	[in, ref] CERTTRANSBLOB* pctbRequest,
	[out, ref] CERTTRANSBLOB* pctbCert,
	[out, ref] CERTTRANSBLOB* pctbEncodedCert,
	[out, ref] CERTTRANSBLOB* pctbDispositionMessage
);

}