Chilkat2-Python
Chilkat2-Python
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 Chilkat2-Python Downloads
import sys
import chilkat2
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 = chilkat2.Xml()
success = xmlToSign.LoadXmlFile("qa_data/xml/myinvois_notYetSigned.xml")
if (success == False):
print("Failed to load the XML to be signed.")
sys.exit()
gen = chilkat2.XmlDSigGen()
# ------------------------------------------------------------------------------------------------
# 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 = chilkat2.Xml()
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 = chilkat2.Xml()
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 = chilkat2.Cert()
success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123")
if (success != True):
print(cert.LastErrorText)
sys.exit()
gen.SetX509Cert(cert,True)
gen.KeyInfoType = "X509Data"
gen.X509Type = "Certificate"
# Load XML to be signed...
sbXml = chilkat2.StringBuilder()
xmlToSign.EmitCompact = True
xmlToSign.GetXmlSb(sbXml)
# Sign the XML...
success = gen.CreateXmlDSigSb(sbXml)
if (success != True):
print(gen.LastErrorText)
sys.exit()
# -----------------------------------------------
# Save the signed XML to a file.
success = sbXml.WriteFile("c:/temp/qa_output/signedXml.xml","utf-8",False)
print(sbXml.GetAsString())
# ----------------------------------------
# Verify the signatures we just produced...
verifier = chilkat2.XmlDSig()
success = verifier.LoadSignatureSb(sbXml)
if (success != True):
print(verifier.LastErrorText)
sys.exit()
# ----------------------------------------
# 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 :
verifier.Selector = verifyIdx
verified = verifier.VerifySignature(True)
if (verified != True):
print(verifier.LastErrorText)
sys.exit()
verifyIdx = verifyIdx + 1
print("All signatures were successfully verified.")