byte[] cert = Convert.FromBase64String(certbase64);
                var nutil = new Crypt32();

                if (!nutil.LoadAdminCertificate(AdminCertSerial))
                    throw new ApplicationException("Unable load admin certificate, serial:" + AdminCertSerial);

                var revokeRequest = nutil.GetHoldRequest(cert, (uint) period);
                byte[] s = Encoding.Unicode.GetBytes(revokeRequest);
                byte[] s1 = Encoding.Default.GetBytes(revokeRequest);
                byte[] signedData = nutil.DataSign(s, false, false);
                var signedBase64 = Convert.ToBase64String(signedData);

                var revokeClient = new RevokeRequestSoapPortClient("RevokeRequestSoapPort");
                if (revokeClient.ClientCredentials != null)
                    revokeClient.ClientCredentials.ClientCertificate.SetCertificate(StoreLocation.CurrentUser,
                        StoreName.My, X509FindType.FindBySerialNumber, AdminCertSerial);

                return revokeClient.SubmitHoldRequest(signedBase64);

String^  Crypt32::GetHoldRequest(array<unsigned char>^ certificateBinary, unsigned int period)
			{
				//CString csTemp;
				DWORD dwReason = CRL_REASON_CERTIFICATE_HOLD;

				UCHAR* chEncodinCert = new UCHAR[certificateBinary->Length];
				for (int i = 0; i < certificateBinary->Length; i++)
					chEncodinCert[i] = certificateBinary[i];
				
				//Создадим контекст сертификата
				PCCERT_CONTEXT pCert=CertCreateCertificateContext(X509_ASN_ENCODING, chEncodinCert,certificateBinary->Length);
				//Получим номер сертификата
				Text::StringBuilder^ sb = gcnew Text::StringBuilder();
				for (DWORD i=0;i<pCert->pCertInfo->SerialNumber.cbData;i++)
				{
					int t = pCert->pCertInfo->SerialNumber.pbData[pCert->pCertInfo->SerialNumber.cbData-i-1];
					sb->Append(t.ToString("X2"));

				}
				CertFreeCertificateContext(pCert);
				return String::Format("SN={0}, RR={1}, RC={2}, HD=0-0-0-{3}-0-0",sb->ToString(),dwReason,"Hold with hgg",period);
			}

			bool Crypt32::CreateDataSign(std::string algorithmPublicKey, unsigned char *pchData,DWORD dwLenData,unsigned char **pchSign, DWORD *pdwLenSign, BOOL bSignDetach, bool bIncludeCert)
			{
				if (!_adminCertLoaded)
					throw gcnew ApplicationException("Admin certificate not found");
				//Получить подпись от некотрых данных


				// Создаем и заполняем структуру для создания ц.п.
				CRYPT_SIGN_MESSAGE_PARA  SigParams;

				
				std::string csAlgIDHash = "";

				if (algorithmPublicKey == szOID_CP_GOST_R3410EL) // ГОСТ
					csAlgIDHash = szOID_CP_GOST_R3411;
				else if (algorithmPublicKey == szOID_RSA_RSA) // RSA
					csAlgIDHash = szOID_RSA_SHA1RSA;
				else 
					csAlgIDHash = szOID_CP_GOST_R3411; // По умолчанию ГОСТ

				csAlgIDHash = szOID_CP_GOST_R3411_2001;


				PCCERT_CONTEXT p = _certificateContext;
				SigParams.cbSize = sizeof(CRYPT_SIGN_MESSAGE_PARA);
				SigParams.dwMsgEncodingType = X509_ASN_ENCODING | PKCS_7_ASN_ENCODING;
				SigParams.pSigningCert = _certificateContext;
				SigParams.HashAlgorithm.pszObjId = (LPSTR)csAlgIDHash.c_str(); //szOID_CP_GOST_R3411;
				SigParams.HashAlgorithm.Parameters.cbData = NULL;
				SigParams.cMsgCert = bIncludeCert ? 1 : 0;
				SigParams.rgpMsgCert = bIncludeCert ? &(p) : NULL;
				SigParams.cAuthAttr = 0;
				SigParams.dwInnerContentType = 0;
				SigParams.cMsgCrl = 0;
				SigParams.cUnauthAttr = 0;
				SigParams.dwFlags = 0;
				SigParams.pvHashAuxInfo = NULL;
				SigParams.rgAuthAttr = NULL;

				const BYTE* MessageArray[] = {(UCHAR*)pchData};
				DWORD MessageSizeArray[1];
				MessageSizeArray[0] = dwLenData;

				// Получаем длину буфера подписи
				if(!CryptSignMessage(
					&SigParams,				// указатель на SigParams
					bSignDetach,			// подпись создается отдельно 
					1,						// число сообщений
					MessageArray,			// сообщение
					MessageSizeArray,		// длина сообщения
					NULL,		// буфер для подписи   (UCHAR*)*pchSign
					pdwLenSign))			// размер буфера
				{
					DWORD dwError=GetLastError();
					free(*pchSign);
					return false;
				}
				// выделяем память под подпись
				*pchSign = new BYTE[*pdwLenSign];
				if(*pchSign==NULL)
				{
					return false;
				}

// формируем подпись
				if(!CryptSignMessage(
					&SigParams,            // указатель на SigParams
					bSignDetach,           // подпись создается отдельно 
					1,                     // число сообщений
					MessageArray,          // сообщение
					MessageSizeArray,      // длина сообщения
					*pchSign,   // буфер для подписи
					pdwLenSign)) // размер буфера
				{
					
					delete [] *pchSign;
					return false;
				}

				

				return true;
			}

array<unsigned char>^ Crypt32::DataSign( array<unsigned char>^ requestData, bool bSignDetach, bool includeCertificate )
			{
				unsigned char *request  = new unsigned char[requestData->Length];
				array<unsigned char>^ signedData  = nullptr;
				try{
					for (int i = 0; i < requestData->Length; i++)
						request[i]=requestData[i];

					unsigned char *pbSignedData;
					DWORD signedDataSignLen=0;

					if (! CreateDataSign(std::string(_certificateContext->pCertInfo->SubjectPublicKeyInfo.Algorithm.pszObjId),request, requestData->Length,
						&pbSignedData,&signedDataSignLen,(BOOL)bSignDetach,(BOOL)includeCertificate))
						return nullptr;

					signedData = gcnew array<unsigned char>(signedDataSignLen);
					for(unsigned int i=0; i<signedDataSignLen;i++)
					{
						signedData[i]=pbSignedData[i];
					}
					if (signedDataSignLen > 0)
						delete[] pbSignedData;

				}finally
				{
					delete[] request;
				}

				return signedData;
			}

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