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(Classic ASP) XML-DSig Add Reference with Transforms Specified ExplicitlyDemonstrates how to use the new AddSameDocRef2 method to explicitly specify the XML Transforms fragment.
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <% ' This example requires the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. 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 ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Xml") set xmlToSign = Server.CreateObject("Chilkat.Xml") xmlToSign.Tag = "doc" success = xmlToSign.UpdateAttrAt("s",1,"id","s1") xmlToSign.UpdateChildContent "s","Some text..." xmlToSign.UpdateChildContent "p","Some text..." success = xmlToSign.UpdateAttrAt("p[1]",1,"class","note") xmlToSign.UpdateChildContent "p[1]","A note..." Response.Write "<pre>" & Server.HTMLEncode( xmlToSign.GetXml()) & "</pre>" ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.XmlDSigGen") set gen = Server.CreateObject("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> ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Xml") set object1 = Server.CreateObject("Chilkat.Xml") object1.Tag = "xades:QualifyingProperties" success = object1.AddAttribute("Id","Signature-78f29839-06af-448f-b479-ca46457fab1b-QualifyingProperties") success = object1.AddAttribute("Target","#Signature-78f29839-06af-448f-b479-ca46457fab1b-Signature") success = object1.AddAttribute("xmlns:ds","http://www.w3.org/2000/09/xmldsig#") success = object1.AddAttribute("xmlns:xades","http://uri.etsi.org/01903/v1.3.2#") success = object1.UpdateAttrAt("xades:SignedProperties",1,"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 success = object1.UpdateAttrAt("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestMethod",1,"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" success = object1.UpdateAttrAt("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat",1,"ObjectReference","#Reference-24eb6003-d41c-442c-a731-d4c58f94790b") object1.UpdateChildContent "xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:Description","" success = object1.UpdateAttrAt("xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:ObjectIdentifier|xades:Identifier",1,"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","" Response.Write "<pre>" & Server.HTMLEncode( object1.GetXml()) & "</pre>" success = 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> ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Xml") set xml1 = Server.CreateObject("Chilkat.Xml") xml1.Tag = "ds:Transforms" success = xml1.UpdateAttrAt("ds:Transform",1,"Algorithm","http://www.w3.org/TR/2001/REC-xml-c14n-20010315") success = xml1.UpdateAttrAt("ds:Transform[1]",1,"Algorithm","http://www.w3.org/2000/09/xmldsig#enveloped-signature") success = xml1.UpdateAttrAt("ds:Transform[2]",1,"Algorithm","http://www.w3.org/TR/1999/REC-xpath-19991116") success = xml1.UpdateAttrAt("ds:Transform[2]|ds:XPath",1,"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. Response.Write "<pre>" & Server.HTMLEncode( xml1.GetXml()) & "</pre>" success = gen.AddSameDocRef2("","sha1",xml1,"") success = gen.SetRefIdAttr("","Reference-24eb6003-d41c-442c-a731-d4c58f94790b") ' -------- Reference 2 -------- success = gen.AddObjectRef("Signature-78f29839-06af-448f-b479-ca46457fab1b-SignedProperties","sha1","","","http://uri.etsi.org/01903#SignedProperties") ' -------- Reference 3 -------- success = gen.AddSameDocRef("Signature-78f29839-06af-448f-b479-ca46457fab1b-KeyInfo","sha1","","","") ' Provide a certificate + private key. (PFX password is test123) ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Cert") set cert = Server.CreateObject("Chilkat.Cert") success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123") If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( cert.LastErrorText) & "</pre>" Response.End End If success = gen.SetX509Cert(cert,1) gen.KeyInfoType = "X509Data+KeyValue" gen.X509Type = "CertChain" ' Load XML to be signed... ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.StringBuilder") set sbXml = Server.CreateObject("Chilkat.StringBuilder") success = xmlToSign.GetXmlSb(sbXml) gen.Behaviors = "IndentedSignature" ' Sign the XML... success = gen.CreateXmlDSigSb(sbXml) If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( gen.LastErrorText) & "</pre>" Response.End End If ' ----------------------------------------------- ' Save the signed XML to a file. success = sbXml.WriteFile("qa_output/signedXml.xml","utf-8",0) Response.Write "<pre>" & Server.HTMLEncode( sbXml.GetAsString()) & "</pre>" ' ---------------------------------------- ' Verify the signatures we just produced... ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.XmlDSig") set verifier = Server.CreateObject("Chilkat.XmlDSig") success = verifier.LoadSignatureSb(sbXml) If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( verifier.LastErrorText) & "</pre>" Response.End End If numSigs = verifier.NumSignatures verifyIdx = 0 Do While verifyIdx < numSigs verifier.Selector = verifyIdx verified = verifier.VerifySignature(1) If (verified <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( verifier.LastErrorText) & "</pre>" Response.End End If verifyIdx = verifyIdx + 1 Loop Response.Write "<pre>" & Server.HTMLEncode( "All signatures were successfully verified.") & "</pre>" %> </body> </html> |
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