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(PowerShell) XML-DSig Add Reference with Transforms Specified ExplicitlyDemonstrates how to use the new AddSameDocRef2 method to explicitly specify the XML Transforms fragment.
Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll" # This example requires the Chilkat API to have been previously unlocked. # See Global Unlock Sample for sample code. $success = $true # Create the following XML to be signed: # <doc> # <s id="s1">Some text...</s> # <p>Some text...</p> # <p class="note">A note...</p> # </doc> # Use this online tool to generate code from sample XML: # Generate Code to Create XML $xmlToSign = New-Object Chilkat.Xml $xmlToSign.Tag = "doc" $xmlToSign.UpdateAttrAt("s",$true,"id","s1") $xmlToSign.UpdateChildContent("s","Some text...") $xmlToSign.UpdateChildContent("p","Some text...") $xmlToSign.UpdateAttrAt("p[1]",$true,"class","note") $xmlToSign.UpdateChildContent("p[1]","A note...") $($xmlToSign.GetXml()) $gen = New-Object Chilkat.XmlDSigGen $gen.SigLocation = "doc" $gen.SigLocationMod = 0 $gen.SigId = "Signature-78f29839-06af-448f-b479-ca46457fab1b-Signature" $gen.SigNamespacePrefix = "ds" $gen.SigNamespaceUri = "http://www.w3.org/2000/09/xmldsig#" $gen.SigValueId = "Signature-78f29839-06af-448f-b479-ca46457fab1b-SignatureValue" $gen.SignedInfoCanonAlg = "C14N" $gen.SignedInfoDigestMethod = "sha1" # Set the KeyInfoId before adding references.. $gen.KeyInfoId = "Signature-78f29839-06af-448f-b479-ca46457fab1b-KeyInfo" # The following XML to be added as an Object to the Signature # Use this online tool to generate code from sample XML: # Generate Code to Create XML # <xades:QualifyingProperties Id="Signature-78f29839-06af-448f-b479-ca46457fab1b-QualifyingProperties" Target="#Signature-78f29839-06af-448f-b479-ca46457fab1b-Signature" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:xades="http://uri.etsi.org/01903/v1.3.2#"> # <xades:SignedProperties Id="Signature-78f29839-06af-448f-b479-ca46457fab1b-SignedProperties"> # <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="#Reference-24eb6003-d41c-442c-a731-d4c58f94790b"> # <xades:Description/> # <xades:ObjectIdentifier> # <xades:Identifier Qualifier="OIDAsURN">urn:oid:1.2.840.10003.5.109.10</xades:Identifier> # <xades:Description/> # </xades:ObjectIdentifier> # <xades:MimeType>text/xml</xades:MimeType> # <xades:Encoding/> # </xades:DataObjectFormat> # </xades:SignedDataObjectProperties> # </xades:SignedProperties> # </xades:QualifyingProperties> $object1 = New-Object Chilkat.Xml $object1.Tag = "xades:QualifyingProperties" $object1.AddAttribute("Id","Signature-78f29839-06af-448f-b479-ca46457fab1b-QualifyingProperties") $object1.AddAttribute("Target","#Signature-78f29839-06af-448f-b479-ca46457fab1b-Signature") $object1.AddAttribute("xmlns:ds","http://www.w3.org/2000/09/xmldsig#") $object1.AddAttribute("xmlns:xades","http://uri.etsi.org/01903/v1.3.2#") $object1.UpdateAttrAt("xades:SignedProperties",$true,"Id","Signature-78f29839-06af-448f-b479-ca46457fab1b-SignedProperties") $object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningTime","TO BE GENERATED BY CHILKAT") # 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 $object1.UpdateAttrAt("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:CertDigest|ds:DigestMethod",$true,"Algorithm","http://www.w3.org/2000/09/xmldsig#sha1") $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") $object1.UpdateAttrAt("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat",$true,"ObjectReference","#Reference-24eb6003-d41c-442c-a731-d4c58f94790b") $object1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:Description","") $object1.UpdateAttrAt("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:ObjectIdentifier|xades:Identifier",$true,"Qualifier","OIDAsURN") $object1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:ObjectIdentifier|xades:Identifier","urn:oid:1.2.840.10003.5.109.10") $object1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:ObjectIdentifier|xades:Description","") $object1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:MimeType","text/xml") $object1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:Encoding","") $($object1.GetXml()) $gen.AddObject("",$object1.GetXml(),"","") # -------- Reference 1 -------- # Create the following Transforms fragment: # Use this online tool to generate code from sample XML: # Generate Code to Create XML # <ds:Transforms> # <ds:Transform Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"/> # <ds:Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/> # <ds:Transform Algorithm="http://www.w3.org/TR/1999/REC-xpath-19991116"> # <ds:XPath xmlns:ds="http://www.w3.org/2000/09/xmldsig#">not(ancestor-or-self::ds:Signature)</ds:XPath> # </ds:Transform> # </ds:Transforms> $xml1 = New-Object Chilkat.Xml $xml1.Tag = "ds:Transforms" $xml1.UpdateAttrAt("ds:Transform",$true,"Algorithm","http://www.w3.org/TR/2001/REC-xml-c14n-20010315") $xml1.UpdateAttrAt("ds:Transform[1]",$true,"Algorithm","http://www.w3.org/2000/09/xmldsig#enveloped-signature") $xml1.UpdateAttrAt("ds:Transform[2]",$true,"Algorithm","http://www.w3.org/TR/1999/REC-xpath-19991116") $xml1.UpdateAttrAt("ds:Transform[2]|ds:XPath",$true,"xmlns:ds","http://www.w3.org/2000/09/xmldsig#") $xml1.UpdateChildContent("ds:Transform[2]|ds:XPath","not(ancestor-or-self::ds:Signature)") # This is the "Transforms" XML fragment passed to AddSameDocRef2. $($xml1.GetXml()) $gen.AddSameDocRef2("","sha1",$xml1,"") $gen.SetRefIdAttr("","Reference-24eb6003-d41c-442c-a731-d4c58f94790b") # -------- Reference 2 -------- $gen.AddObjectRef("Signature-78f29839-06af-448f-b479-ca46457fab1b-SignedProperties","sha1","","","http://uri.etsi.org/01903#SignedProperties") # -------- Reference 3 -------- $gen.AddSameDocRef("Signature-78f29839-06af-448f-b479-ca46457fab1b-KeyInfo","sha1","","","") # 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+KeyValue" $gen.X509Type = "CertChain" # 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.") |
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