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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.

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LOCAL nSuccess
LOCAL oXmlToSign
LOCAL oGen
LOCAL oObject1
LOCAL oXml1
LOCAL oCert
LOCAL oSbXml
LOCAL oVerifier
LOCAL nNumSigs
LOCAL nVerifyIdx
LOCAL nVerified

nSuccess := 0

nSuccess := 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>

oXmlToSign := CreateObject("Chilkat.Xml")
nSuccess := oXmlToSign:LoadXmlFile("qa_data/xml/myinvois_notYetSigned.xml")
IF (nSuccess == 0)
    ? "Failed to load the XML to be signed."
    oXmlToSign:destroy()
    RETURN
ENDIF

oGen := CreateObject("Chilkat.XmlDSigGen")
//  ------------------------------------------------------------------------------------------------
//  This behavior is required for the peculiarities of the MyInvois implementation.
//  It requires Chilkat 10.0.0 or later.
oGen:Behaviors := "MyInvois"
//  ------------------------------------------------------------------------------------------------

oGen:SigLocation := "Invoice|ext:UBLExtensions|ext:UBLExtension|ext:ExtensionContent|sig:UBLDocumentSignatures|sac:SignatureInformation"
oGen:SigLocationMod := 0
oGen:SigId := "signature"
oGen:SigNamespacePrefix := "ds"
oGen:SigNamespaceUri := "http://www.w3.org/2000/09/xmldsig#"
oGen:SignedInfoCanonAlg := "C14N_11"
oGen:SignedInfoDigestMethod := "sha256"

//  Create an Object to be added to the Signature.
oObject1 := CreateObject("Chilkat.Xml")
oObject1:Tag := "xades:QualifyingProperties"
oObject1:AddAttribute("xmlns:xades", "http://uri.etsi.org/01903/v1.3.2#")
oObject1:AddAttribute("Target", "signature")
oObject1:UpdateAttrAt("xades:SignedProperties", 1, "Id", "id-xades-signed-props")
oObject1:UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningTime", "TO BE GENERATED BY CHILKAT")
oObject1:UpdateAttrAt("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:CertDigest|ds:DigestMethod", 1, "Algorithm", "http://www.w3.org/2001/04/xmlenc#sha256")
oObject1:UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:CertDigest|ds:DigestValue", "TO BE GENERATED BY CHILKAT")
oObject1:UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:IssuerSerial|ds:X509IssuerName", "TO BE GENERATED BY CHILKAT")
oObject1:UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:IssuerSerial|ds:X509SerialNumber", "TO BE GENERATED BY CHILKAT")

oGen:AddObject("", oObject1:GetXml(), "", "")

//  -------- Reference 1 --------
oXml1 := CreateObject("Chilkat.Xml")
oXml1:Tag := "ds:Transforms"
oXml1:UpdateAttrAt("ds:Transform", 1, "Algorithm", "http://www.w3.org/TR/1999/REC-xpath-19991116")
oXml1:UpdateChildContent("ds:Transform|ds:XPath", "not(//ancestor-or-self::ext:UBLExtensions)")
oXml1:UpdateAttrAt("ds:Transform[1]", 1, "Algorithm", "http://www.w3.org/TR/1999/REC-xpath-19991116")
oXml1:UpdateChildContent("ds:Transform[1]|ds:XPath", "not(//ancestor-or-self::cac:Signature)")
oXml1:UpdateAttrAt("ds:Transform[2]", 1, "Algorithm", "http://www.w3.org/2006/12/xml-c14n11")

oGen:AddSameDocRef2("", "sha256", oXml1, "")
oGen:SetRefIdAttr("", "id-doc-signed-data")

//  -------- Reference 2 --------
oGen:AddObjectRef("id-xades-signed-props", "sha256", "", "", "http://www.w3.org/2000/09/xmldsig#SignatureProperties")

//  Provide a certificate + private key. (PFX password is test123)
oCert := CreateObject("Chilkat.Cert")
nSuccess := oCert:LoadPfxFile("qa_data/pfx/cert_test123.pfx", "test123")
IF (nSuccess != 1)
    ? oCert:LastErrorText
    oXmlToSign:destroy()
    oGen:destroy()
    oObject1:destroy()
    oXml1:destroy()
    oCert:destroy()
    RETURN
ENDIF

oGen:SetX509Cert(oCert, 1)

oGen:KeyInfoType := "X509Data"
oGen:X509Type := "Certificate"

//  Load XML to be signed...
oSbXml := CreateObject("Chilkat.StringBuilder")
oXmlToSign:EmitCompact := 1
oXmlToSign:GetXmlSb(oSbXml)

//  Sign the XML...
nSuccess := oGen:CreateXmlDSigSb(oSbXml)
IF (nSuccess != 1)
    ? oGen:LastErrorText
    oXmlToSign:destroy()
    oGen:destroy()
    oObject1:destroy()
    oXml1:destroy()
    oCert:destroy()
    oSbXml:destroy()
    RETURN
ENDIF

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

//  Save the signed XML to a file.
nSuccess := oSbXml:WriteFile("c:/temp/qa_output/signedXml.xml", "utf-8", 0)

? oSbXml:GetAsString()

//  ----------------------------------------
//  Verify the signatures we just produced...
oVerifier := CreateObject("Chilkat.XmlDSig")
nSuccess := oVerifier:LoadSignatureSb(oSbXml)
IF (nSuccess != 1)
    ? oVerifier:LastErrorText
    oXmlToSign:destroy()
    oGen:destroy()
    oObject1:destroy()
    oXml1:destroy()
    oCert:destroy()
    oSbXml:destroy()
    oVerifier:destroy()
    RETURN
ENDIF

//  ----------------------------------------
//  Make sure to indicate that we are verifying a MyInvois signature
//  This is because MyInvois does things in a non-standard way..
oVerifier:UncommonOptions := "MyInvois"
//  ----------------------------------------

nNumSigs := oVerifier:NumSignatures
nVerifyIdx := 0
DO WHILE nVerifyIdx < nNumSigs
    oVerifier:Selector := nVerifyIdx
    nVerified := oVerifier:VerifySignature(1)
    IF (nVerified != 1)
        ? oVerifier:LastErrorText
        oXmlToSign:destroy()
        oGen:destroy()
        oObject1:destroy()
        oXml1:destroy()
        oCert:destroy()
        oSbXml:destroy()
        oVerifier:destroy()
        RETURN
    ENDIF

    nVerifyIdx := nVerifyIdx + 1
ENDDO
? "All signatures were successfully verified."

oXmlToSign:destroy()
oGen:destroy()
oObject1:destroy()
oXml1:destroy()
oCert:destroy()
oSbXml:destroy()
oVerifier:destroy()