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Delphi ActiveX

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 Delphi ActiveX Downloads

Delphi ActiveX
uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Integer;
xmlToSign: TChilkatXml;
gen: TChilkatXmlDSigGen;
object1: TChilkatXml;
xml1: TChilkatXml;
cert: TChilkatCert;
sbXml: TChilkatStringBuilder;
verifier: TChilkatXmlDSig;
numSigs: Integer;
verifyIdx: Integer;
verified: Integer;

begin
success := 0;

success := 1;

// 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 := TChilkatXml.Create(Self);
success := xmlToSign.LoadXmlFile('qa_data/xml/myinvois_notYetSigned.xml');
if (success = 0) then
  begin
    Memo1.Lines.Add('Failed to load the XML to be signed.');
    Exit;
  end;

gen := TChilkatXmlDSigGen.Create(Self);
// ------------------------------------------------------------------------------------------------
// 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 := TChilkatXml.Create(Self);
object1.Tag := 'xades:QualifyingProperties';
object1.AddAttribute('xmlns:xades','http://uri.etsi.org/01903/v1.3.2#');
object1.AddAttribute('Target','signature');
object1.UpdateAttrAt('xades:SignedProperties',1,'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',1,'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 := TChilkatXml.Create(Self);
xml1.Tag := 'ds:Transforms';
xml1.UpdateAttrAt('ds:Transform',1,'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]',1,'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]',1,'Algorithm','http://www.w3.org/2006/12/xml-c14n11');

gen.AddSameDocRef2('','sha256',xml1.ControlInterface,'');
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 := TChilkatCert.Create(Self);
success := cert.LoadPfxFile('qa_data/pfx/cert_test123.pfx','test123');
if (success <> 1) then
  begin
    Memo1.Lines.Add(cert.LastErrorText);
    Exit;
  end;
gen.SetX509Cert(cert.ControlInterface,1);

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

// Load XML to be signed...
sbXml := TChilkatStringBuilder.Create(Self);
xmlToSign.EmitCompact := 1;
xmlToSign.GetXmlSb(sbXml.ControlInterface);

// Sign the XML...
success := gen.CreateXmlDSigSb(sbXml.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(gen.LastErrorText);
    Exit;
  end;
// -----------------------------------------------

// Save the signed XML to a file.
success := sbXml.WriteFile('c:/temp/qa_output/signedXml.xml','utf-8',0);

Memo1.Lines.Add(sbXml.GetAsString());

// ----------------------------------------
// Verify the signatures we just produced...
verifier := TChilkatXmlDSig.Create(Self);
success := verifier.LoadSignatureSb(sbXml.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(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(1);
    if (verified <> 1) then
      begin
        Memo1.Lines.Add(verifier.LastErrorText);
        Exit;
      end;
    verifyIdx := verifyIdx + 1;
  end;

Memo1.Lines.Add('All signatures were successfully verified.');
end;