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(C#) Create XAdES using Smart Card or USB TokenDemonstrates how to create an XAdES signed XML document using a certificate located on a smartcard or USB token. Note: This example requires Chilkat v9.5.0.75 or greater. Also, at the time of this writing this example is restricted to the Windows operating system.
// ---------------------------------------------------------------------- // IMPORTANT: This generated example requires Chilkat v9.5.0.75 or later. // Contact support@chilkatsoft.com for a pre-release. // ---------------------------------------------------------------------- // Load the XML to be signed. Chilkat.Xml xmlToSign = new Chilkat.Xml(); bool success = xmlToSign.LoadXmlFile("qa_data/fattura_electronica/docToSign.xml"); if (success != true) { Debug.WriteLine(xmlToSign.LastErrorText); return; } Chilkat.XmlDSigGen gen = new Chilkat.XmlDSigGen(); gen.SigLocation = "p:FatturaElettronica"; gen.SigId = "xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504"; gen.SigNamespacePrefix = "ds"; gen.SigNamespaceUri = "http://www.w3.org/2000/09/xmldsig#"; gen.SigValueId = "xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-sigvalue"; gen.SignedInfoCanonAlg = "C14N"; gen.SignedInfoDigestMethod = "sha256"; // Create an Object to be added to the Signature. // Note: Chilkat will automatically populate the strings indicated by "TO BE GENERATED BY CHILKAT" with actual/correct values // when the XML is signed. Chilkat.Xml object1 = new Chilkat.Xml(); object1.Tag = "xades:QualifyingProperties"; object1.AddAttribute("xmlns:xades","http://uri.etsi.org/01903/v1.3.2#"); object1.AddAttribute("xmlns:xades141","http://uri.etsi.org/01903/v1.4.1#"); object1.AddAttribute("Target","#xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504"); object1.UpdateAttrAt("xades:SignedProperties",true,"Id","xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-signedprops"); object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningTime","TO BE GENERATED BY CHILKAT"); object1.UpdateAttrAt("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:CertDigest|ds:DigestMethod",true,"Algorithm","http://www.w3.org/2001/04/xmlenc#sha256"); object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:CertDigest|ds:DigestValue","TO BE GENERATED BY CHILKAT"); object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:IssuerSerial|ds:X509IssuerName","TO BE GENERATED BY CHILKAT"); object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:IssuerSerial|ds:X509SerialNumber","TO BE GENERATED BY CHILKAT"); gen.AddObject("",object1.GetXml(),"",""); // -------- Reference 1 -------- gen.KeyInfoId = "xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-keyinfo"; gen.AddSameDocRef("xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-keyinfo","sha256","","",""); // -------- Reference 2 -------- gen.AddSameDocRef("","sha256","","",""); gen.SetRefIdAttr("","xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-ref0"); // -------- Reference 3 -------- gen.AddObjectRef("xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-signedprops","sha256","","","http://uri.etsi.org/01903#SignedProperties"); // ---------------------------------------------------------------- // Load a certificate that has been pre-installed on the Windows system // This includes certificates on smartcards and USB tokens Chilkat.Cert cert = new Chilkat.Cert(); // You may provide the PIN here.. cert.SmartCardPin = "000000"; // Load the certificate on the smartcard currently in the reader (or on the USB token). // Pass an empty string to allow Chilkat to automatically choose the CSP (Cryptographi Service Provider). // See Load Certificate on Smartcard for information about explicitly selecting a particular CSP. success = cert.LoadFromSmartcard(""); if (success != true) { Debug.WriteLine(cert.LastErrorText); return; } gen.SetX509Cert(cert,true); gen.KeyInfoType = "X509Data"; gen.X509Type = "Certificate"; // Load XML to be signed... Chilkat.StringBuilder sbXml = new Chilkat.StringBuilder(); xmlToSign.GetXmlSb(sbXml); gen.Behaviors = "IndentedSignature,ForceAddEnvelopedSignatureTransform"; // Sign the XML... success = gen.CreateXmlDSigSb(sbXml); if (success != true) { Debug.WriteLine(gen.LastErrorText); return; } // Save the signed XMl to a file. success = sbXml.WriteFile("qa_output/signedXml.xml","utf-8",false); Debug.WriteLine(sbXml.GetAsString()); // ---------------------------------------- // Verify the signature we just produced... Chilkat.XmlDSig verifier = new Chilkat.XmlDSig(); success = verifier.LoadSignatureSb(sbXml); if (success != true) { Debug.WriteLine(verifier.LastErrorText); return; } bool verified = verifier.VerifySignature(true); if (verified != true) { Debug.WriteLine(verifier.LastErrorText); return; } Debug.WriteLine("This signature was successfully verified."); |
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