VBScript
VBScript
XML Signature Multiple External References
See more XML Digital Signatures Examples
Demonstrates how to add multiple external references to an XML digital signature.Chilkat VBScript Downloads
Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
'Create a Unicode (utf-16) output text file.
Set outFile = fso.CreateTextFile("output.txt", True, True)
success = 0
' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.
' This example creates the following signed XML with multiple external references:
' <?xml version="1.0" encoding="UTF-8"?>
' <ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#" Id="xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4">
' <ds:SignedInfo>
' <ds:CanonicalizationMethod Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"/>
' <ds:SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"/>
' <ds:Reference Id="xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-ref0" URI="https://isus.ezdrowie.gov.pl/fhir/Patient/123/_history/456">
' <ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/>
' <ds:DigestValue>...</ds:DigestValue>
' </ds:Reference>
' <ds:Reference Id="xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-ref1" URI="https://isus.ezdrowie.gov.pl/fhir/Encounter/124/_history/22">
' <ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/>
' <ds:DigestValue>...</ds:DigestValue>
' </ds:Reference>
' <ds:Reference Id="xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-ref2" URI="https://isus.ezdrowie.gov.pl/fhir/Condition/125/_history/1">
' <ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/>
' <ds:DigestValue>...</ds:DigestValue>
' </ds:Reference>
' <ds:Reference Id="xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-ref3" URI="https://isus.ezdrowie.gov.pl/fhir/Procedure/126/_history/1">
' <ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/>
' <ds:DigestValue>...</ds:DigestValue>
' </ds:Reference>
' <ds:Reference Type="http://uri.etsi.org/01903#SignedProperties" URI="#xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-signedprops">
' <ds:Transforms>
' <ds:Transform Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"/>
' </ds:Transforms>
' <ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/>
' <ds:DigestValue>...</ds:DigestValue>
' </ds:Reference>
' </ds:SignedInfo>
' <ds:SignatureValue Id="xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-sigvalue">...</ds:SignatureValue>
' <ds:KeyInfo>
' <ds:X509Data>
' <ds:X509Certificate>...</ds:X509Certificate>
' <ds:X509SubjectName>...</ds:X509SubjectName>
' <ds:X509IssuerSerial>
' <ds:X509IssuerName>...</ds:X509IssuerName>
' <ds:X509SerialNumber>...</ds:X509SerialNumber>
' </ds:X509IssuerSerial>
' </ds:X509Data>
' </ds:KeyInfo>
' <ds:Object>
' <xades:QualifyingProperties xmlns:xades="http://uri.etsi.org/01903/v1.3.2#" xmlns:xades141="http://uri.etsi.org/01903/v1.4.1#" Target="#xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4">
' <xades:SignedProperties Id="xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-signedprops">
' <xades:SignedSignatureProperties>
' <xades:SigningTime>2021-06-02T07:10:13.306+02:00</xades:SigningTime>
' <xades:SigningCertificate>
' <xades:Cert>
' <xades:CertDigest>
' <ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/>
' <ds:DigestValue>...</ds:DigestValue>
' </xades:CertDigest>
' <xades:IssuerSerial>
' <ds:X509IssuerName>...</ds:X509IssuerName>
' <ds:X509SerialNumber>...</ds:X509SerialNumber>
' </xades:IssuerSerial>
' </xades:Cert>
' <xades:Cert>
' <xades:CertDigest>
' <ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/>
' <ds:DigestValue>...</ds:DigestValue>
' </xades:CertDigest>
' <xades:IssuerSerial>
' <ds:X509IssuerName>...</ds:X509IssuerName>
' <ds:X509SerialNumber>...</ds:X509SerialNumber>
' </xades:IssuerSerial>
' </xades:Cert>
' <xades:Cert>
' <xades:CertDigest>
' <ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/>
' <ds:DigestValue>...</ds:DigestValue>
' </xades:CertDigest>
' <xades:IssuerSerial>
' <ds:X509IssuerName>...</ds:X509IssuerName>
' <ds:X509SerialNumber>...</ds:X509SerialNumber>
' </xades:IssuerSerial>
' </xades:Cert>
' </xades:SigningCertificate>
' </xades:SignedSignatureProperties>
' </xades:SignedProperties>
' </xades:QualifyingProperties>
' </ds:Object>
' </ds:Signature>
'
success = 1
set gen = CreateObject("Chilkat.XmlDSigGen")
gen.SigLocation = ""
gen.SigLocationMod = 0
' Note: ID's simply need to be unique values in the signed XML document. They don't necessarily need to be GUID/UUID formatted.
gen.SigId = "xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4"
gen.SigNamespacePrefix = "ds"
gen.SigNamespaceUri = "http://www.w3.org/2000/09/xmldsig#"
gen.SigValueId = "xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-sigvalue"
gen.SignedInfoCanonAlg = "C14N"
gen.SignedInfoDigestMethod = "sha256"
' Create an Object to be added to the Signature.
set object1 = CreateObject("Chilkat.Xml")
object1.Tag = "xades:QualifyingProperties"
success = object1.AddAttribute("xmlns:xades","http://uri.etsi.org/01903/v1.3.2#")
success = object1.AddAttribute("xmlns:xades141","http://uri.etsi.org/01903/v1.4.1#")
success = object1.AddAttribute("Target","#xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4")
success = object1.UpdateAttrAt("xades:SignedProperties",1,"Id","xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-signedprops")
object1.UpdateChildContent "xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningTime","TO BE GENERATED BY CHILKAT"
' This assumes there are 3 certs in the certificate chain: The signing certificate, an intermediate root, and the root CA.
' Remove the lines with "Cert[2]" if there is no intermediate root...
success = object1.UpdateAttrAt("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestMethod",1,"Algorithm","http://www.w3.org/2001/04/xmlenc#sha256")
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"
success = gen.AddObject("",object1.GetXml(),"","")
set http = CreateObject("Chilkat.Http")
set bd = CreateObject("Chilkat.BinData")
url = "https://isus.ezdrowie.gov.pl/fhir/Patient/123/_history/456"
success = http.QuickGetBd(url,bd)
If (success <> 1) Then
outFile.WriteLine(http.LastErrorText)
WScript.Quit
End If
' -------- Reference 1 --------
success = gen.AddExternalBinaryRef(url,bd,"sha256","")
success = gen.SetRefIdAttr(url,"xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-ref0")
' -------- Reference 2 --------
success = bd.Clear()
url = "https://isus.ezdrowie.gov.pl/fhir/Encounter/789/_history/1"
success = http.QuickGetBd(url,bd)
If (success <> 1) Then
outFile.WriteLine(http.LastErrorText)
WScript.Quit
End If
success = gen.AddExternalBinaryRef(url,bd,"sha256","")
success = gen.SetRefIdAttr(url,"xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-ref1")
' -------- Reference 3 --------
success = bd.Clear()
url = "https://isus.ezdrowie.gov.pl/fhir/Condition/123456/_history/1"
success = http.QuickGetBd(url,bd)
If (success <> 1) Then
outFile.WriteLine(http.LastErrorText)
WScript.Quit
End If
success = gen.AddExternalBinaryRef(url,bd,"sha256","")
success = gen.SetRefIdAttr(url,"xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-ref2")
' -------- Reference 4 --------
success = bd.Clear()
url = "https://isus.ezdrowie.gov.pl/fhir/Procedure/123456/_history/1"
success = http.QuickGetBd(url,bd)
If (success <> 1) Then
outFile.WriteLine(http.LastErrorText)
WScript.Quit
End If
success = gen.AddExternalBinaryRef(url,bd,"sha256","")
success = gen.SetRefIdAttr(url,"xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-ref3")
' -------- Reference 5 --------
success = gen.AddObjectRef("xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-signedprops","sha256","C14N","","http://uri.etsi.org/01903#SignedProperties")
' Provide a certificate + private key. (PFX password is test123)
set cert = CreateObject("Chilkat.Cert")
success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123")
If (success <> 1) Then
outFile.WriteLine(cert.LastErrorText)
WScript.Quit
End If
success = gen.SetX509Cert(cert,1)
gen.KeyInfoType = "X509Data"
gen.X509Type = "IssuerSerial,SubjectName,Certificate"
' This will be an enveloping signature where the Signature element
' is the XML document root, the signed data is contained within Object
' tag(s) within the Signature.
' Therefore, pass an empty sbXml to CreateXmlDsigSb.
set sbXml = CreateObject("Chilkat.StringBuilder")
gen.Behaviors = "IndentedSignature"
' Sign the XML...
success = gen.CreateXmlDSigSb(sbXml)
If (success <> 1) Then
outFile.WriteLine(gen.LastErrorText)
WScript.Quit
End If
' -----------------------------------------------
' Save the signed XML to a file.
success = sbXml.WriteFile("qa_output/signedXml.xml","utf-8",0)
outFile.WriteLine(sbXml.GetAsString())
' ----------------------------------------
' Verify the signature we just produced...
set verifier = CreateObject("Chilkat.XmlDSig")
success = verifier.LoadSignatureSb(sbXml)
If (success <> 1) Then
outFile.WriteLine(verifier.LastErrorText)
WScript.Quit
End If
verified = verifier.VerifySignature(1)
If (verified <> 1) Then
outFile.WriteLine(verifier.LastErrorText)
WScript.Quit
End If
outFile.WriteLine("This signature was successfully verified.")
outFile.Close