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(Delphi ActiveX) Create XAdES for Malaysia E-InvoiceSee more Malaysia MyInvois ExamplesThis 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/
uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_v9_5_0_TLB; ... procedure TForm1.Button1Click(Sender: TObject); var success: Integer; xmlToSign: TChilkatXml; success: Integer; gen: TChilkatXmlDSigGen; object1: TChilkatXml; cert: TChilkatCert; sbXml: TChilkatStringBuilder; verifier: TChilkatXmlDSig; numSigs: Integer; verifyIdx: Integer; verified: Integer; begin // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. success := 1; // See also: MyInvois Malaysia Login as Intermediary System // Load the XML invoice to sign. xmlToSign := TChilkatXml.Create(Self); success := xmlToSign.LoadXmlFile('c:/someDir/eInvoice.xml'); if (success = 0) then begin Memo1.Lines.Add(xmlToSign.LastErrorText); Exit; end; // Note: If you have a sample of already-signed XML, then you can copy it into Chilkat's online tool at // Generate XAdES Code // to generate the source code that would produce the signed XML. // A sample of already signed XML is made available at https://sdk.myinvois.hasil.gov.my/files/one-doc-signed.xml gen := TChilkatXmlDSigGen.Create(Self); 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 -------- gen.AddSameDocRef('','sha256','C14N_11','',''); 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.GetXmlSb(sbXml.ControlInterface); gen.Behaviors := 'IndentedSignature,TransformSignatureXPath'; // 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; 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; |
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