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Create XAdES for Malaysia E-Invoice

See more Malaysia MyInvois Examples

This example signs XML to create the required XAdES for Malaysia E-Invoice as described at the following web pages:

https://sdk.myinvois.hasil.gov.my/signature/
https://sdk.myinvois.hasil.gov.my/signature-creation/

Note: This example requires Chilkat 10.0.0 or later.

Chilkat Dart Downloads

Dart
import 'package:chilkat/chilkat.dart';

void main() {
  // Load XML such as the following to be signed:

  // <?xml version="1.0" encoding="utf-8"?>
  // <Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2" xmlns:cac="urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2" xmlns:cbc="urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2" xmlns:ext="urn:oasis:names:specification:ubl:schema:xsd:CommonExtensionComponents-2">
  //     <ext:UBLExtensions>
  //         <ext:UBLExtension>
  //             <ext:ExtensionURI>urn:oasis:names:specification:ubl:dsig:enveloped:xades</ext:ExtensionURI>
  //             <ext:ExtensionContent>
  //                 <sig:UBLDocumentSignatures xmlns:sac="urn:oasis:names:specification:ubl:schema:xsd:SignatureAggregateComponents-2" xmlns:sbc="urn:oasis:names:specification:ubl:schema:xsd:SignatureBasicComponents-2" xmlns:sig="urn:oasis:names:specification:ubl:schema:xsd:CommonSignatureComponents-2">
  //                     <sac:SignatureInformation>
  //                         <cbc:ID>urn:oasis:names:specification:ubl:signature:1</cbc:ID>
  //                         <sbc:ReferencedSignatureID>urn:oasis:names:specification:ubl:signature:Invoice</sbc:ReferencedSignatureID>
  //                     </sac:SignatureInformation>
  //                 </sig:UBLDocumentSignatures>
  //             </ext:ExtensionContent>
  //         </ext:UBLExtension>
  //     </ext:UBLExtensions>
  //     <cbc:ID>IV00000105</cbc:ID>
  //     <cbc:IssueDate>2024-07-06</cbc:IssueDate>
  //     <cbc:IssueTime>15:06:00Z</cbc:IssueTime>
  //     <cbc:InvoiceTypeCode listVersionID="1.1">1</cbc:InvoiceTypeCode>
  //     <cbc:DocumentCurrencyCode>MYR</cbc:DocumentCurrencyCode>
  //     <cac:BillingReference>
  //         <cac:AdditionalDocumentReference>
  //             <cbc:ID>IV00000105</cbc:ID>
  //         </cac:AdditionalDocumentReference>
  //     </cac:BillingReference>
  //     <cac:Signature>
  //         <cbc:ID>urn:oasis:names:specification:ubl:signature:Invoice</cbc:ID>
  //         <cbc:SignatureMethod>urn:oasis:names:specification:ubl:dsig:enveloped:xades</cbc:SignatureMethod>
  //     </cac:Signature>
  //     <cac:AccountingSupplierParty>
  //         <cac:Party>
  //             <cbc:IndustryClassificationCode name="Other information technology service activities n.e.c.">62099</cbc:IndustryClassificationCode>
  //             <cac:PartyIdentification>
  //                 <cbc:ID schemeID="TIN">C99999999999</cbc:ID>
  //             </cac:PartyIdentification>
  //             <cac:PartyIdentification>
  //                 <cbc:ID schemeID="BRN">200801099999</cbc:ID>
  //             </cac:PartyIdentification>
  //             <cac:PostalAddress>
  //                 <cbc:CityName>Cheras</cbc:CityName>
  //                 <cbc:PostalZone>56000</cbc:PostalZone>
  //                 <cbc:CountrySubentityCode>14</cbc:CountrySubentityCode>
  //                 <cac:AddressLine>
  //                     <cbc:Line>A-3, 11, Jalan 2/199a,</cbc:Line>
  //                 </cac:AddressLine>
  //                 <cac:AddressLine>
  //                     <cbc:Line>Cheras, 56000 Cheras</cbc:Line>
  //                 </cac:AddressLine>
  //                 <cac:AddressLine>
  //                     <cbc:Line>Wilayah Persekutuan Kuala Lumpur</cbc:Line>
  //                 </cac:AddressLine>
  //                 <cac:Country>
  //                     <cbc:IdentificationCode listAgencyID="6" listID="ISO3166-1">MYS</cbc:IdentificationCode>
  //                 </cac:Country>
  //             </cac:PostalAddress>
  //             <cac:PartyLegalEntity>
  //                 <cbc:RegistrationName>ABC SYSTEMS SERVICES</cbc:RegistrationName>
  //             </cac:PartyLegalEntity>
  //             <cac:Contact>
  //                 <cbc:Telephone>019-626 9999</cbc:Telephone>
  //                 <cbc:ElectronicMail>Info@abc.com.my</cbc:ElectronicMail>
  //             </cac:Contact>
  //         </cac:Party>
  //     </cac:AccountingSupplierParty>
  //     <cac:AccountingCustomerParty>
  //         <cac:Party>
  //             <cac:PartyIdentification>
  //                 <cbc:ID schemeID="TIN">C99999999999</cbc:ID>
  //             </cac:PartyIdentification>
  //             <cac:PartyIdentification>
  //                 <cbc:ID schemeID="BRN">200801099999</cbc:ID>
  //             </cac:PartyIdentification>
  //             <cac:PostalAddress>
  //                 <cbc:CityName>Cheras</cbc:CityName>
  //                 <cbc:PostalZone>56000</cbc:PostalZone>
  //                 <cbc:CountrySubentityCode>14</cbc:CountrySubentityCode>
  //                 <cac:AddressLine>
  //                     <cbc:Line>A-3, 11, Jalan 2/199a,</cbc:Line>
  //                 </cac:AddressLine>
  //                 <cac:AddressLine>
  //                     <cbc:Line>Cheras, 56000 Cheras</cbc:Line>
  //                 </cac:AddressLine>
  //                 <cac:AddressLine>
  //                     <cbc:Line>Cheras, 56000 Cheras</cbc:Line>
  //                 </cac:AddressLine>
  //                 <cac:Country>
  //                     <cbc:IdentificationCode listAgencyID="6" listID="ISO3166-1">MYS</cbc:IdentificationCode>
  //                 </cac:Country>
  //             </cac:PostalAddress>
  //             <cac:PartyLegalEntity>
  //                 <cbc:RegistrationName>ABC SYSTEMS SERVICES</cbc:RegistrationName>
  //             </cac:PartyLegalEntity>
  //             <cac:Contact>
  //                 <cbc:Telephone>019-626 9999</cbc:Telephone>
  //                 <cbc:ElectronicMail>Info@abc.com.my</cbc:ElectronicMail>
  //             </cac:Contact>
  //         </cac:Party>
  //     </cac:AccountingCustomerParty>
  //     <cac:TaxTotal>
  //         <cbc:TaxAmount currencyID="MYR">0</cbc:TaxAmount>
  //         <cac:TaxSubtotal>
  //             <cbc:TaxableAmount currencyID="MYR">40</cbc:TaxableAmount>
  //             <cbc:TaxAmount currencyID="MYR">0</cbc:TaxAmount>
  //             <cac:TaxCategory>
  //                 <cbc:ID>6</cbc:ID>
  //                 <cbc:Percent>0</cbc:Percent>
  //                 <cac:TaxScheme>
  //                     <cbc:ID schemeAgencyID="6" schemeID="UN/ECE 5153">OTH</cbc:ID>
  //                 </cac:TaxScheme>
  //             </cac:TaxCategory>
  //         </cac:TaxSubtotal>
  //     </cac:TaxTotal>
  //     <cac:LegalMonetaryTotal>
  //         <cbc:LineExtensionAmount currencyID="MYR">40</cbc:LineExtensionAmount>
  //         <cbc:TaxExclusiveAmount currencyID="MYR">40</cbc:TaxExclusiveAmount>
  //         <cbc:TaxInclusiveAmount currencyID="MYR">49</cbc:TaxInclusiveAmount>
  //         <cbc:AllowanceTotalAmount currencyID="MYR">0</cbc:AllowanceTotalAmount>
  //         <cbc:PayableAmount currencyID="MYR">49</cbc:PayableAmount>
  //     </cac:LegalMonetaryTotal>
  //     <cac:InvoiceLine>
  //         <cbc:ID>1</cbc:ID>
  //         <cbc:InvoicedQuantity unitCode="H87">2</cbc:InvoicedQuantity>
  //         <cbc:LineExtensionAmount currencyID="MYR">40</cbc:LineExtensionAmount>
  //         <cac:TaxTotal>
  //             <cbc:TaxAmount currencyID="MYR">0</cbc:TaxAmount>
  //             <cac:TaxSubtotal>
  //                 <cbc:TaxableAmount currencyID="MYR">40</cbc:TaxableAmount>
  //                 <cbc:TaxAmount currencyID="MYR">0</cbc:TaxAmount>
  //                 <cac:TaxCategory>
  //                     <cbc:ID>6</cbc:ID>
  //                     <cbc:Percent>0</cbc:Percent>
  //                     <cac:TaxScheme>
  //                         <cbc:ID schemeAgencyID="6" schemeID="UN/ECE 5153">OTH</cbc:ID>
  //                     </cac:TaxScheme>
  //                 </cac:TaxCategory>
  //             </cac:TaxSubtotal>
  //         </cac:TaxTotal>
  //         <cac:Item>
  //             <cbc:Description>Computer Monitor 24 inch</cbc:Description>
  //             <cac:CommodityClassification>
  //                 <cbc:ItemClassificationCode listID="CLASS">3</cbc:ItemClassificationCode>
  //             </cac:CommodityClassification>
  //         </cac:Item>
  //         <cac:Price>
  //             <cbc:PriceAmount currencyID="MYR">20</cbc:PriceAmount>
  //         </cac:Price>
  //         <cac:ItemPriceExtension>
  //             <cbc:Amount currencyID="MYR">40</cbc:Amount>
  //         </cac:ItemPriceExtension>
  //     </cac:InvoiceLine>
  // </Invoice>

  final xmlToSign = CkXml();
  try {
    xmlToSign.loadXmlFile('qa_data/xml/myinvois_notYetSigned.xml');
  } on ChilkatException {
    print('Failed to load the XML to be signed.');
    return;
  }

  final gen = CkXmlDSigGen();
  // ------------------------------------------------------------------------------------------------
  // This behavior is required for the peculiarities of the MyInvois implementation.
  // It requires Chilkat 10.0.0 or later.
  gen.behaviors = 'MyInvois';
  // ------------------------------------------------------------------------------------------------

  gen.sigLocation = 'Invoice|ext:UBLExtensions|ext:UBLExtension|ext:ExtensionContent|sig:UBLDocumentSignatures|sac:SignatureInformation';
  gen.sigLocationMod = 0;
  gen.sigId = 'signature';
  gen.sigNamespacePrefix = 'ds';
  gen.sigNamespaceUri = 'http://www.w3.org/2000/09/xmldsig#';
  gen.signedInfoCanonAlg = 'C14N_11';
  gen.signedInfoDigestMethod = 'sha256';

  // Create an Object to be added to the Signature.
  final object1 = CkXml();
  object1.tag = 'xades:QualifyingProperties';
  object1.addAttribute('xmlns:xades', 'http://uri.etsi.org/01903/v1.3.2#');
  object1.addAttribute('Target', 'signature');
  object1.updateAttrAt('xades:SignedProperties', true, 'Id', 'id-xades-signed-props');
  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 --------
  final xml1 = CkXml();
  xml1.tag = 'ds:Transforms';
  xml1.updateAttrAt('ds:Transform', true, 'Algorithm', 'http://www.w3.org/TR/1999/REC-xpath-19991116');
  xml1.updateChildContent('ds:Transform|ds:XPath', 'not(//ancestor-or-self::ext:UBLExtensions)');
  xml1.updateAttrAt('ds:Transform[1]', true, 'Algorithm', 'http://www.w3.org/TR/1999/REC-xpath-19991116');
  xml1.updateChildContent('ds:Transform[1]|ds:XPath', 'not(//ancestor-or-self::cac:Signature)');
  xml1.updateAttrAt('ds:Transform[2]', true, 'Algorithm', 'http://www.w3.org/2006/12/xml-c14n11');

  gen.addSameDocRef2('', 'sha256', xml1, '');
  gen.setRefIdAttr('', 'id-doc-signed-data');

  // -------- Reference 2 --------
  gen.addObjectRef('id-xades-signed-props', 'sha256', '', '', 'http://www.w3.org/2000/09/xmldsig#SignatureProperties');

  // Provide a certificate + private key. (PFX password is test123)
  final cert = CkCert();
  try {
    cert.loadPfxFile('qa_data/pfx/cert_test123.pfx', 'test123');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  gen.setX509Cert(cert, true);

  gen.keyInfoType = 'X509Data';
  gen.x509Type = 'Certificate';

  // Load XML to be signed...
  final sbXml = CkStringBuilder();
  xmlToSign.emitCompact = true;
  xmlToSign.getXmlSb(sbXml);

  // Sign the XML...
  try {
    gen.createXmlDSigSb(sbXml);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // -----------------------------------------------

  // Save the signed XML to a file.
  sbXml.writeFile('c:/temp/qa_output/signedXml.xml', 'utf-8', false);

  print(sbXml.getAsString());

  // ----------------------------------------
  // Verify the signatures we just produced...
  final verifier = CkXmlDSig();
  try {
    verifier.loadSignatureSb(sbXml);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // ----------------------------------------
  // Make sure to indicate that we are verifying a MyInvois signature
  // This is because MyInvois does things in a non-standard way..
  verifier.uncommonOptions = 'MyInvois';
  // ----------------------------------------

  final numSigs = verifier.numSignatures;
  var verifyIdx = 0;
  while (verifyIdx < numSigs) {
    verifier.selector = verifyIdx;
    try {
      verifier.verifySignature(true);
    } on ChilkatException catch (e) {
      print(e.lastErrorText);
      return;
    }

    verifyIdx++;
  }

  print('All signatures were successfully verified.');
}