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XML-DSig Add Object Reference with Transforms Specified Explicitly
Demonstrates how to use the new AddObjectRef2 method to explicitly specify the XML Transforms fragment.Chilkat PowerShell Downloads
Add-Type -Path "C:\chilkat\ChilkatDotNet47-x64\ChilkatDotNet47.dll"
$success = $false
# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.
$success = $true
# Build the following XML to be signed:
# <?xml version="1.0" encoding="utf-8"?>
# <InitUpload xmlns="http://e-dokumenty.mf.gov.pl">
# <DocumentType>JPK</DocumentType>
# <Version>01.02.01.20160617</Version>
# <EncryptionKey algorithm="RSA" encoding="Base64" mode="ECB" padding="PKCS#1">xxxx</EncryptionKey>
# <DocumentList>
# <Document>
# <FormCode schemaVersion="1-1" systemCode="JPK_VAT (3)">JPK_VAT</FormCode>
# <FileName>JPK_VAT_3_v1-1_20181201.xml</FileName>
# <ContentLength>8736</ContentLength>
# <HashValue algorithm="SHA-256" encoding="Base64">JEDI1pItwh6dj/Xx1uts/x61qnjZ4DLHpkZMhmf1oKQ=</HashValue>
# <FileSignatureList filesNumber="1">
# <Packaging>
# <SplitZip mode="zip" type="split"/>
# </Packaging>
# <Encryption>
# <AES block="16" mode="CBC" padding="PKCS#7" size="256">
# <IV bytes="16" encoding="Base64">z64oN9zXHt1+S3XACRSCYw==</IV>
# </AES>
# </Encryption>
# <FileSignature>
# <OrdinalNumber>1</OrdinalNumber>
# <FileName>JPK_VAT_3_v1-1_20181201-000.xml.zip.aes</FileName>
# <ContentLength>16</ContentLength>
# <HashValue algorithm="MD5" encoding="Base64">5MX0q1935fvMjLFV7E1yDw==</HashValue>
# </FileSignature>
# </FileSignatureList>
# </Document>
# </DocumentList>
# </InitUpload>
# Use this online tool to generate code from sample XML:
# Generate Code to Create XML
$xmlToSign = New-Object Chilkat.Xml
$xmlToSign.Tag = "InitUpload"
$xmlToSign.AddAttribute("xmlns","http://e-dokumenty.mf.gov.pl")
$xmlToSign.UpdateChildContent("DocumentType","JPK")
$xmlToSign.UpdateChildContent("Version","01.02.01.20160617")
$xmlToSign.UpdateAttrAt("EncryptionKey",$true,"algorithm","RSA")
$xmlToSign.UpdateAttrAt("EncryptionKey",$true,"encoding","Base64")
$xmlToSign.UpdateAttrAt("EncryptionKey",$true,"mode","ECB")
$xmlToSign.UpdateAttrAt("EncryptionKey",$true,"padding","PKCS#1")
$xmlToSign.UpdateChildContent("EncryptionKey","xxxx")
$xmlToSign.UpdateAttrAt("DocumentList|Document|FormCode",$true,"schemaVersion","1-1")
$xmlToSign.UpdateAttrAt("DocumentList|Document|FormCode",$true,"systemCode","JPK_VAT (3)")
$xmlToSign.UpdateChildContent("DocumentList|Document|FormCode","JPK_VAT")
$xmlToSign.UpdateChildContent("DocumentList|Document|FileName","JPK_VAT_3_v1-1_20181201.xml")
$xmlToSign.UpdateChildContent("DocumentList|Document|ContentLength","8736")
$xmlToSign.UpdateAttrAt("DocumentList|Document|HashValue",$true,"algorithm","SHA-256")
$xmlToSign.UpdateAttrAt("DocumentList|Document|HashValue",$true,"encoding","Base64")
$xmlToSign.UpdateChildContent("DocumentList|Document|HashValue","JEDI1pItwh6dj/Xx1uts/x61qnjZ4DLHpkZMhmf1oKQ=")
$xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList",$true,"filesNumber","1")
$xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Packaging|SplitZip",$true,"mode","zip")
$xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Packaging|SplitZip",$true,"type","split")
$xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Encryption|AES",$true,"block","16")
$xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Encryption|AES",$true,"mode","CBC")
$xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Encryption|AES",$true,"padding","PKCS#7")
$xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Encryption|AES",$true,"size","256")
$xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Encryption|AES|IV",$true,"bytes","16")
$xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|Encryption|AES|IV",$true,"encoding","Base64")
$xmlToSign.UpdateChildContent("DocumentList|Document|FileSignatureList|Encryption|AES|IV","z64oN9zXHt1+S3XACRSCYw==")
$xmlToSign.UpdateChildContent("DocumentList|Document|FileSignatureList|FileSignature|OrdinalNumber","1")
$xmlToSign.UpdateChildContent("DocumentList|Document|FileSignatureList|FileSignature|FileName","JPK_VAT_3_v1-1_20181201-000.xml.zip.aes")
$xmlToSign.UpdateChildContent("DocumentList|Document|FileSignatureList|FileSignature|ContentLength","16")
$xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|FileSignature|HashValue",$true,"algorithm","MD5")
$xmlToSign.UpdateAttrAt("DocumentList|Document|FileSignatureList|FileSignature|HashValue",$true,"encoding","Base64")
$xmlToSign.UpdateChildContent("DocumentList|Document|FileSignatureList|FileSignature|HashValue","5MX0q1935fvMjLFV7E1yDw==")
$gen = New-Object Chilkat.XmlDSigGen
$gen.SigLocation = "InitUpload"
$gen.SigLocationMod = 0
$gen.SigId = "id-1234"
$gen.SigNamespacePrefix = "ds"
$gen.SigNamespaceUri = "http://www.w3.org/2000/09/xmldsig#"
$gen.SignedInfoCanonAlg = "EXCL_C14N"
$gen.SignedInfoDigestMethod = "sha256"
# Create an Object to be added to the Signature.
# <xades:QualifyingProperties Target="#id-1234" xmlns:xades="http://uri.etsi.org/01903/v1.3.2#">
# <xades:SignedProperties Id="xades-id-1234">
# <xades:SignedSignatureProperties>
# <xades:SigningTime>TO BE GENERATED BY CHILKAT</xades:SigningTime>
# <xades:SigningCertificate>
# <xades:Cert>
# <xades:CertDigest>
# <ds:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"/>
# <ds:DigestValue>TO BE GENERATED BY CHILKAT</ds:DigestValue>
# </xades:CertDigest>
# <xades:IssuerSerial>
# <ds:X509IssuerName>TO BE GENERATED BY CHILKAT</ds:X509IssuerName>
# <ds:X509SerialNumber>TO BE GENERATED BY CHILKAT</ds:X509SerialNumber>
# </xades:IssuerSerial>
# </xades:Cert>
# </xades:SigningCertificate>
# </xades:SignedSignatureProperties>
# <xades:SignedDataObjectProperties>
# <xades:DataObjectFormat ObjectReference="#r-id-1">
# <xades:MimeType>text/xml</xades:MimeType>
# </xades:DataObjectFormat>
# </xades:SignedDataObjectProperties>
# </xades:SignedProperties>
# </xades:QualifyingProperties>
$object1 = New-Object Chilkat.Xml
$object1.Tag = "xades:QualifyingProperties"
$object1.AddAttribute("xmlns:xades","http://uri.etsi.org/01903/v1.3.2#")
$object1.AddAttribute("Target","#id-1234")
$object1.UpdateAttrAt("xades:SignedProperties",$true,"Id","xades-id-1234")
# Note: It may be that http://www.w3.org/2001/04/xmlenc#sha256 is needed in the following line instead of http://www.w3.org/2000/09/xmldsig#sha1
$object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningTime","TO BE GENERATED BY CHILKAT")
$object1.UpdateAttrAt("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestMethod",$true,"Algorithm","http://www.w3.org/2000/09/xmldsig#sha1")
$object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestValue","TO BE GENERATED BY CHILKAT")
$object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:IssuerSerialV2","TO BE GENERATED BY CHILKAT")
$object1.UpdateAttrAt("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat",$true,"ObjectReference","#r-id-1")
$object1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:MimeType","text/xml")
$gen.AddObject("",$object1.GetXml(),"","")
# -------- Reference 1 --------
# Build the following Transforms fragment:
# <ds:Transforms>
# <ds:Transform Algorithm="http://www.w3.org/TR/1999/REC-xpath-19991116">
# <ds:XPath>not(ancestor-or-self::ds:Signature)</ds:XPath>
# </ds:Transform>
# <ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/>
# </ds:Transforms>
$xml1 = New-Object Chilkat.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::ds:Signature)")
$xml1.UpdateAttrAt("ds:Transform[1]",$true,"Algorithm","http://www.w3.org/2001/10/xml-exc-c14n#")
$gen.AddSameDocRef2("","sha256",$xml1,"")
$gen.SetRefIdAttr("","r-id-1")
# -------- Reference 2 --------
# Build the following Transforms fragment:
# <ds:Transforms>
# <ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/>
# </ds:Transforms>
$xml2 = New-Object Chilkat.Xml
$xml2.Tag = "ds:Transforms"
$xml2.UpdateAttrAt("ds:Transform",$true,"Algorithm","http://www.w3.org/2001/10/xml-exc-c14n#")
$gen.AddObjectRef2("xades-id-1234","sha256",$xml2,"http://uri.etsi.org/01903#SignedProperties")
# Provide a certificate + private key. (PFX password is test123)
$cert = New-Object Chilkat.Cert
$success = $cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123")
if ($success -ne $true) {
$($cert.LastErrorText)
exit
}
$gen.SetX509Cert($cert,$true)
$gen.KeyInfoType = "X509Data"
$gen.X509Type = "Certificate"
# Load XML to be signed...
$sbXml = New-Object Chilkat.StringBuilder
$xmlToSign.GetXmlSb($sbXml)
$gen.Behaviors = "IndentedSignature"
# Sign the XML...
$success = $gen.CreateXmlDSigSb($sbXml)
if ($success -ne $true) {
$($gen.LastErrorText)
exit
}
# -----------------------------------------------
# Save the signed XML to a file.
$success = $sbXml.WriteFile("qa_output/signedXml.xml","utf-8",$false)
$($sbXml.GetAsString())
# ----------------------------------------
# Verify the signatures we just produced...
$verifier = New-Object Chilkat.XmlDSig
$success = $verifier.LoadSignatureSb($sbXml)
if ($success -ne $true) {
$($verifier.LastErrorText)
exit
}
$numSigs = $verifier.NumSignatures
$verifyIdx = 0
while ($verifyIdx -lt $numSigs) {
$verifier.Selector = $verifyIdx
$verified = $verifier.VerifySignature($true)
if ($verified -ne $true) {
$($verifier.LastErrorText)
exit
}
$verifyIdx = $verifyIdx + 1
}
$("All signatures were successfully verified.")