This structure is used to send certificate information to the ISAPI extension when the HSE_REQ_GET_CERT_INFO_EX value is set for the dwHSERRequest parameter of the ServerSupportFunction.
typedef struct _CERT_CONTEXT_EX
{CERT_CONTEXT CertContext;
DWORD cbAllocated;
DWORD dwCertificateFlags;
}
For further information on the CERT_CONTEXT structure, see the CryptoAPI documentation in the Platform SDK.