Node.js

Create XAdES using Smart Card or USB Token

See more XAdES Examples

Demonstrates how to create an XAdES signed XML document using a certificate located on a smartcard or USB token. Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

    //  Load the XML to be signed.
    var xmlToSign = new chilkat.Xml();
    success = xmlToSign.LoadXmlFile("qa_data/fattura_electronica/docToSign.xml");
    if (success == false) {
        console.log(xmlToSign.LastErrorText);
        return;
    }

    var 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.
    var 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:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestMethod",true,"Algorithm","http://www.w3.org/2001/04/xmlenc#sha256");
    object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestValue","TO BE GENERATED BY CHILKAT");
    object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:IssuerSerialV2","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
    var 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 == false) {
        console.log(cert.LastErrorText);
        return;
    }

    gen.SetX509Cert(cert,true);
    gen.KeyInfoType = "X509Data";
    gen.X509Type = "Certificate";

    //  Load XML to be signed...
    var sbXml = new chilkat.StringBuilder();
    xmlToSign.GetXmlSb(sbXml);

    gen.Behaviors = "IndentedSignature,ForceAddEnvelopedSignatureTransform";

    //  Sign the XML...
    success = gen.CreateXmlDSigSb(sbXml);
    if (success == false) {
        console.log(gen.LastErrorText);
        return;
    }

    //  Save the signed XMl to a file.
    success = sbXml.WriteFile("qa_output/signedXml.xml","utf-8",false);

    console.log(sbXml.GetAsString());

    //  ----------------------------------------
    //  Verify the signature we just produced...
    var verifier = new chilkat.XmlDSig();
    success = verifier.LoadSignatureSb(sbXml);
    if (success == false) {
        console.log(verifier.LastErrorText);
        return;
    }

    var verified = verifier.VerifySignature(true);
    if (verified !== true) {
        console.log(verifier.LastErrorText);
        return;
    }

    console.log("This signature was successfully verified.");

}

chilkatExample();