BOOL VerifyRevocation(PCCERT_CONTEXT pCertContext)
{
	CERT_CHAIN_PARA ChainPara;
	ChainPara.cbSize = sizeof(CERT_CHAIN_PARA);
	ChainPara.RequestedUsage.dwType = USAGE_MATCH_TYPE_AND;
	PCCERT_CHAIN_CONTEXT pChainContext = NULL;

	BOOL result = CertGetCertificateChain(NULL,pCertContext, NULL, NULL, &ChainPara, CERT_CHAIN_REVOCATION_CHECK_CHAIN, NULL, &pChainContext);
	if (pChainContext != NULL) CertFreeCertificateChain(pChainContext);
	return result;
}