Sample code for 30+ languages & platforms
Pascal (Lazarus/Delphi)

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 Pascal (Lazarus/Delphi) Downloads

Pascal (Lazarus/Delphi)
program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.StringBuilder,
  Chilkat.XmlDSigGen,
  Chilkat.Xml,
  Chilkat.XmlDSig,
  Chilkat.Cert;

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

procedure RunDemo;
var
  success: Boolean;
  xmlToSign: TXml;
  gen: TXmlDSigGen;
  object1: TXml;
  xml1: TXml;
  cert: TCert;
  sbXml: TStringBuilder;
  verifier: TXmlDSig;
  numSigs: Integer;
  verifyIdx: Integer;
  verified: Boolean;

begin
  success := False;

  success := True;

  //  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>

  xmlToSign := TXml.Create;
  success := xmlToSign.LoadXmlFile('qa_data/xml/myinvois_notYetSigned.xml');
  if (success = False) then
    begin
      WriteLn('Failed to load the XML to be signed.');
      Exit;
    end;

  gen := TXmlDSigGen.Create;
  //  ------------------------------------------------------------------------------------------------
  //  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.
  object1 := TXml.Create;
  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 --------
  xml1 := TXml.Create;
  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)
  cert := TCert.Create;
  success := cert.LoadPfxFile('qa_data/pfx/cert_test123.pfx','test123');
  if (success <> True) then
    begin
      WriteLn(cert.LastErrorText);
      Exit;
    end;
  gen.SetX509Cert(cert,True);

  gen.KeyInfoType := 'X509Data';
  gen.X509Type := 'Certificate';

  //  Load XML to be signed...
  sbXml := TStringBuilder.Create;
  xmlToSign.EmitCompact := True;
  xmlToSign.GetXmlSb(sbXml);

  //  Sign the XML...
  success := gen.CreateXmlDSigSb(sbXml);
  if (success <> True) then
    begin
      WriteLn(gen.LastErrorText);
      Exit;
    end;
  //  -----------------------------------------------

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

  WriteLn(sbXml.GetAsString());

  //  ----------------------------------------
  //  Verify the signatures we just produced...
  verifier := TXmlDSig.Create;
  success := verifier.LoadSignatureSb(sbXml);
  if (success <> True) then
    begin
      WriteLn(verifier.LastErrorText);
      Exit;
    end;

  //  ----------------------------------------
  //  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';
  //  ----------------------------------------

  numSigs := verifier.NumSignatures;
  verifyIdx := 0;
  while verifyIdx < numSigs do
    begin
      verifier.Selector := verifyIdx;
      verified := verifier.VerifySignature(True);
      if (verified <> True) then
        begin
          WriteLn(verifier.LastErrorText);
          Exit;
        end;
      verifyIdx := verifyIdx + 1;
    end;

  WriteLn('All signatures were successfully verified.');


  xmlToSign.Free;
  gen.Free;
  object1.Free;
  xml1.Free;
  cert.Free;
  sbXml.Free;
  verifier.Free;

end;

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

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.