e-deklaracje

public X509Certificate2 WybierzCertyfikat()
        {
            X509Store store = new X509Store(StoreLocation.CurrentUser);
            store.Open(OpenFlags.ReadOnly | OpenFlags.OpenExistingOnly);
            X509Certificate2Collection certificates = store.Certificates;
            X509Certificate2Collection foundCertificates = certificates;
            var selectedCertificates = X509Certificate2UI.SelectFromCollection(foundCertificates,
            "Wybór certyfikatu", "Wybierz certyfkat do podpisywania", X509SelectionFlag.SingleSelection);
            if (selectedCertificates.Count != 0)
            {
                X509Certificate2 certificate = selectedCertificates[0];
                return certificate;
            }
            return null;
        }
        public void Podpisz(X509Certificate2 cert, string xmlDek, string xmlDekPodpisany)
        {
            if (cert != null)
            {
                XmlDsigEnvelopedSignatureTransform env = new XmlDsigEnvelopedSignatureTransform();
                Reference reference = new Reference();
                RSACryptoServiceProvider rsaKey = (RSACryptoServiceProvider)cert.PrivateKey;
                var doc = new XmlDocument();
                doc.PreserveWhitespace = false;
                doc.Load(xmlDek);
                var xadesSignedXml = new XadesSignedXml(doc);
                xadesSignedXml.Signature.Id = "";
                reference.Uri = "#SignedProperties-0";
                reference.Id = "SignedProperties-Reference0";
                reference.Type = @"http://uri.etsi.org/01903#SignedProperties";
                xadesSignedXml.SignedInfo.Id = "SignedInfo-0";
                xadesSignedXml.AddReference(reference);
                xadesSignedXml.SigningKey = rsaKey;
                KeyInfo keyInfo = new KeyInfo();
                keyInfo.Id = "KeyInfo-0";
                keyInfo.AddClause(new KeyInfoX509Data(cert));
                xadesSignedXml.KeyInfo = keyInfo;
                xadesSignedXml.Signature.Id = "Signature-0";
                xadesSignedXml.SignatureValueId = "SignatureValue-0";
                XadesObject xadesObject = new XadesObject();
                Cert certificate = new Cert();
                certificate.IssuerSerial.X509IssuerName = cert.IssuerName.Name;
                certificate.IssuerSerial.X509SerialNumber = cert.SerialNumber;
                SHA1 cryptoServiceProvider = new SHA1CryptoServiceProvider();
                certificate.CertDigest.DigestValue = cryptoServiceProvider.ComputeHash(cert.RawData);
                certificate.CertDigest.DigestMethod.Algorithm = SignedXml.XmlDsigSHA1Url;
                xadesObject.QualifyingProperties.Target = "#" + xadesSignedXml.Signature.Id;
                xadesObject.QualifyingProperties.SignedProperties.SignedSignatureProperties.SigningTime = DateTime.Now;
                xadesObject.QualifyingProperties.SignedProperties.Id = "SignedProperties-0";
                xadesObject.QualifyingProperties.SignedProperties.SignedSignatureProperties.SignaturePolicyIdentifier.SignaturePolicyImplied = false;
                xadesObject.QualifyingProperties.SignedProperties.SignedSignatureProperties.SigningCertificate.CertCollection.Add(certificate);
                xadesSignedXml.AddXadesObject(xadesObject);
                var data = new System.Security.Cryptography.Xml.DataObject("Dokument-0", "text/xml", "UTF-8", doc.DocumentElement);
                xadesSignedXml.AddObject(data);
                xadesSignedXml.ComputeSignature();
                XadesCheckSignatureMasks composedMask = default(XadesCheckSignatureMasks);
                bool sigOk = xadesSignedXml.XadesCheckSignature(composedMask);
                if (sigOk)  File.WriteAllText(xmlDekPodpisany, xadesSignedXml.GetXml().OuterXml, Encoding.UTF8);
            }
        }

        GateServicePortTypeClient client = new GateServicePortTypeClient("GateServiceSOAP12port1");

        public sendDocumentResponse Wyslij(string xmlDekPodpisany)
        {
            sendDocument send = new sendDocument();
            send.document = File.ReadAllBytes(xmlDekPodpisany);
            var resDok = client.sendDocument(send);
            return resDok;
        }

        public requestUPOResponse PobierzUPO(string refId)
        {
            requestUPO reqUpo = new requestUPO();
            reqUpo.refId = refId;
            return client.requestUPO(reqUpo);
        }