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(PowerBuilder) XML-DSig Add Reference with Transforms Specified Explicitly

Demonstrates how to use the new AddSameDocRef2 method to explicitly specify the XML Transforms fragment.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

integer li_rc
integer li_Success
oleobject loo_XmlToSign
oleobject loo_Gen
oleobject loo_Object1
oleobject loo_Xml1
oleobject loo_Cert
oleobject loo_SbXml
oleobject loo_Verifier
integer li_NumSigs
integer li_VerifyIdx
integer li_Verified

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

li_Success = 1

// 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

loo_XmlToSign = create oleobject
// Use "Chilkat_9_5_0.Xml" for versions of Chilkat < 10.0.0
li_rc = loo_XmlToSign.ConnectToNewObject("Chilkat.Xml")
if li_rc < 0 then
    destroy loo_XmlToSign
    MessageBox("Error","Connecting to COM object failed")
    return
end if
loo_XmlToSign.Tag = "doc"
loo_XmlToSign.UpdateAttrAt("s",1,"id","s1")
loo_XmlToSign.UpdateChildContent("s","Some text...")
loo_XmlToSign.UpdateChildContent("p","Some text...")
loo_XmlToSign.UpdateAttrAt("p[1]",1,"class","note")
loo_XmlToSign.UpdateChildContent("p[1]","A note...")

Write-Debug loo_XmlToSign.GetXml()

loo_Gen = create oleobject
// Use "Chilkat_9_5_0.XmlDSigGen" for versions of Chilkat < 10.0.0
li_rc = loo_Gen.ConnectToNewObject("Chilkat.XmlDSigGen")

loo_Gen.SigLocation = "doc"
loo_Gen.SigLocationMod = 0
loo_Gen.SigId = "Signature-78f29839-06af-448f-b479-ca46457fab1b-Signature"
loo_Gen.SigNamespacePrefix = "ds"
loo_Gen.SigNamespaceUri = "http://www.w3.org/2000/09/xmldsig#"
loo_Gen.SigValueId = "Signature-78f29839-06af-448f-b479-ca46457fab1b-SignatureValue"
loo_Gen.SignedInfoCanonAlg = "C14N"
loo_Gen.SignedInfoDigestMethod = "sha1"

// Set the KeyInfoId before adding references..
loo_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>

loo_Object1 = create oleobject
// Use "Chilkat_9_5_0.Xml" for versions of Chilkat < 10.0.0
li_rc = loo_Object1.ConnectToNewObject("Chilkat.Xml")

loo_Object1.Tag = "xades:QualifyingProperties"
loo_Object1.AddAttribute("Id","Signature-78f29839-06af-448f-b479-ca46457fab1b-QualifyingProperties")
loo_Object1.AddAttribute("Target","#Signature-78f29839-06af-448f-b479-ca46457fab1b-Signature")
loo_Object1.AddAttribute("xmlns:ds","http://www.w3.org/2000/09/xmldsig#")
loo_Object1.AddAttribute("xmlns:xades","http://uri.etsi.org/01903/v1.3.2#")
loo_Object1.UpdateAttrAt("xades:SignedProperties",1,"Id","Signature-78f29839-06af-448f-b479-ca46457fab1b-SignedProperties")
loo_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
loo_Object1.UpdateAttrAt("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:CertDigest|ds:DigestMethod",1,"Algorithm","http://www.w3.org/2000/09/xmldsig#sha1")
loo_Object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:CertDigest|ds:DigestValue","TO BE GENERATED BY CHILKAT")
loo_Object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:IssuerSerial|ds:X509IssuerName","TO BE GENERATED BY CHILKAT")
loo_Object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:IssuerSerial|ds:X509SerialNumber","TO BE GENERATED BY CHILKAT")
loo_Object1.UpdateAttrAt("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat",1,"ObjectReference","#Reference-24eb6003-d41c-442c-a731-d4c58f94790b")
loo_Object1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:Description","")
loo_Object1.UpdateAttrAt("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:ObjectIdentifier|xades:Identifier",1,"Qualifier","OIDAsURN")
loo_Object1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:ObjectIdentifier|xades:Identifier","urn:oid:1.2.840.10003.5.109.10")
loo_Object1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:ObjectIdentifier|xades:Description","")
loo_Object1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:MimeType","text/xml")
loo_Object1.UpdateChildContent("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:Encoding","")

Write-Debug loo_Object1.GetXml()

loo_Gen.AddObject("",loo_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>

loo_Xml1 = create oleobject
// Use "Chilkat_9_5_0.Xml" for versions of Chilkat < 10.0.0
li_rc = loo_Xml1.ConnectToNewObject("Chilkat.Xml")

loo_Xml1.Tag = "ds:Transforms"
loo_Xml1.UpdateAttrAt("ds:Transform",1,"Algorithm","http://www.w3.org/TR/2001/REC-xml-c14n-20010315")
loo_Xml1.UpdateAttrAt("ds:Transform[1]",1,"Algorithm","http://www.w3.org/2000/09/xmldsig#enveloped-signature")
loo_Xml1.UpdateAttrAt("ds:Transform[2]",1,"Algorithm","http://www.w3.org/TR/1999/REC-xpath-19991116")
loo_Xml1.UpdateAttrAt("ds:Transform[2]|ds:XPath",1,"xmlns:ds","http://www.w3.org/2000/09/xmldsig#")
loo_Xml1.UpdateChildContent("ds:Transform[2]|ds:XPath","not(ancestor-or-self::ds:Signature)")

// This is the "Transforms" XML fragment passed to AddSameDocRef2.
Write-Debug loo_Xml1.GetXml()

loo_Gen.AddSameDocRef2("","sha1",loo_Xml1,"")

loo_Gen.SetRefIdAttr("","Reference-24eb6003-d41c-442c-a731-d4c58f94790b")

// -------- Reference 2 --------
loo_Gen.AddObjectRef("Signature-78f29839-06af-448f-b479-ca46457fab1b-SignedProperties","sha1","","","http://uri.etsi.org/01903#SignedProperties")

// -------- Reference 3 --------
loo_Gen.AddSameDocRef("Signature-78f29839-06af-448f-b479-ca46457fab1b-KeyInfo","sha1","","","")

// Provide a certificate + private key. (PFX password is test123)
loo_Cert = create oleobject
// Use "Chilkat_9_5_0.Cert" for versions of Chilkat < 10.0.0
li_rc = loo_Cert.ConnectToNewObject("Chilkat.Cert")

li_Success = loo_Cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123")
if li_Success <> 1 then
    Write-Debug loo_Cert.LastErrorText
    destroy loo_XmlToSign
    destroy loo_Gen
    destroy loo_Object1
    destroy loo_Xml1
    destroy loo_Cert
    return
end if

loo_Gen.SetX509Cert(loo_Cert,1)

loo_Gen.KeyInfoType = "X509Data+KeyValue"
loo_Gen.X509Type = "CertChain"

// Load XML to be signed...
loo_SbXml = create oleobject
// Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
li_rc = loo_SbXml.ConnectToNewObject("Chilkat.StringBuilder")

loo_XmlToSign.GetXmlSb(loo_SbXml)

loo_Gen.Behaviors = "IndentedSignature"

// Sign the XML...
li_Success = loo_Gen.CreateXmlDSigSb(loo_SbXml)
if li_Success <> 1 then
    Write-Debug loo_Gen.LastErrorText
    destroy loo_XmlToSign
    destroy loo_Gen
    destroy loo_Object1
    destroy loo_Xml1
    destroy loo_Cert
    destroy loo_SbXml
    return
end if

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

// Save the signed XML to a file.
li_Success = loo_SbXml.WriteFile("qa_output/signedXml.xml","utf-8",0)

Write-Debug loo_SbXml.GetAsString()

// ----------------------------------------
// Verify the signatures we just produced...
loo_Verifier = create oleobject
// Use "Chilkat_9_5_0.XmlDSig" for versions of Chilkat < 10.0.0
li_rc = loo_Verifier.ConnectToNewObject("Chilkat.XmlDSig")

li_Success = loo_Verifier.LoadSignatureSb(loo_SbXml)
if li_Success <> 1 then
    Write-Debug loo_Verifier.LastErrorText
    destroy loo_XmlToSign
    destroy loo_Gen
    destroy loo_Object1
    destroy loo_Xml1
    destroy loo_Cert
    destroy loo_SbXml
    destroy loo_Verifier
    return
end if

li_NumSigs = loo_Verifier.NumSignatures
li_VerifyIdx = 0
do while li_VerifyIdx < li_NumSigs
    loo_Verifier.Selector = li_VerifyIdx
    li_Verified = loo_Verifier.VerifySignature(1)
    if li_Verified <> 1 then
        Write-Debug loo_Verifier.LastErrorText
        destroy loo_XmlToSign
        destroy loo_Gen
        destroy loo_Object1
        destroy loo_Xml1
        destroy loo_Cert
        destroy loo_SbXml
        destroy loo_Verifier
        return
    end if

    li_VerifyIdx = li_VerifyIdx + 1
loop
Write-Debug "All signatures were successfully verified."


destroy loo_XmlToSign
destroy loo_Gen
destroy loo_Object1
destroy loo_Xml1
destroy loo_Cert
destroy loo_SbXml
destroy loo_Verifier
 

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