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uncategorized

 

 

 

(DataFlex) 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

Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Handle hoXmlToSign
    Handle hoGen
    Handle hoObject1
    Variant vXml1
    Handle hoXml1
    Variant vCert
    Handle hoCert
    Variant vSbXml
    Handle hoSbXml
    Handle hoVerifier
    Integer iNumSigs
    Integer iVerifyIdx
    Boolean iVerified
    String sTemp1

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

    Move True To iSuccess

    // 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

    Get Create (RefClass(cComChilkatXml)) To hoXmlToSign
    If (Not(IsComObjectCreated(hoXmlToSign))) Begin
        Send CreateComObject of hoXmlToSign
    End
    Set ComTag Of hoXmlToSign To "doc"
    Get ComUpdateAttrAt Of hoXmlToSign "s" True "id" "s1" To iSuccess
    Send ComUpdateChildContent To hoXmlToSign "s" "Some text..."
    Send ComUpdateChildContent To hoXmlToSign "p" "Some text..."
    Get ComUpdateAttrAt Of hoXmlToSign "p[1]" True "class" "note" To iSuccess
    Send ComUpdateChildContent To hoXmlToSign "p[1]" "A note..."

    Get ComGetXml Of hoXmlToSign To sTemp1
    Showln sTemp1

    Get Create (RefClass(cComChilkatXmlDSigGen)) To hoGen
    If (Not(IsComObjectCreated(hoGen))) Begin
        Send CreateComObject of hoGen
    End

    Set ComSigLocation Of hoGen To "doc"
    Set ComSigLocationMod Of hoGen To 0
    Set ComSigId Of hoGen To "Signature-78f29839-06af-448f-b479-ca46457fab1b-Signature"
    Set ComSigNamespacePrefix Of hoGen To "ds"
    Set ComSigNamespaceUri Of hoGen To "http://www.w3.org/2000/09/xmldsig#"
    Set ComSigValueId Of hoGen To "Signature-78f29839-06af-448f-b479-ca46457fab1b-SignatureValue"
    Set ComSignedInfoCanonAlg Of hoGen To "C14N"
    Set ComSignedInfoDigestMethod Of hoGen To "sha1"

    // Set the KeyInfoId before adding references..
    Set ComKeyInfoId Of hoGen To "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>

    Get Create (RefClass(cComChilkatXml)) To hoObject1
    If (Not(IsComObjectCreated(hoObject1))) Begin
        Send CreateComObject of hoObject1
    End
    Set ComTag Of hoObject1 To "xades:QualifyingProperties"
    Get ComAddAttribute Of hoObject1 "Id" "Signature-78f29839-06af-448f-b479-ca46457fab1b-QualifyingProperties" To iSuccess
    Get ComAddAttribute Of hoObject1 "Target" "#Signature-78f29839-06af-448f-b479-ca46457fab1b-Signature" To iSuccess
    Get ComAddAttribute Of hoObject1 "xmlns:ds" "http://www.w3.org/2000/09/xmldsig#" To iSuccess
    Get ComAddAttribute Of hoObject1 "xmlns:xades" "http://uri.etsi.org/01903/v1.3.2#" To iSuccess
    Get ComUpdateAttrAt Of hoObject1 "xades:SignedProperties" True "Id" "Signature-78f29839-06af-448f-b479-ca46457fab1b-SignedProperties" To iSuccess
    Send ComUpdateChildContent To hoObject1 "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
    Get ComUpdateAttrAt Of hoObject1 "xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestMethod" True "Algorithm" "http://www.w3.org/2000/09/xmldsig#sha1" To iSuccess
    Send ComUpdateChildContent To hoObject1 "xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestValue" "TO BE GENERATED BY CHILKAT"
    Send ComUpdateChildContent To hoObject1 "xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:IssuerSerialV2" "TO BE GENERATED BY CHILKAT"
    Get ComUpdateAttrAt Of hoObject1 "xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat" True "ObjectReference" "#Reference-24eb6003-d41c-442c-a731-d4c58f94790b" To iSuccess
    Send ComUpdateChildContent To hoObject1 "xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:Description" ""
    Get ComUpdateAttrAt Of hoObject1 "xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:ObjectIdentifier|xades:Identifier" True "Qualifier" "OIDAsURN" To iSuccess
    Send ComUpdateChildContent To hoObject1 "xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:ObjectIdentifier|xades:Identifier" "urn:oid:1.2.840.10003.5.109.10"
    Send ComUpdateChildContent To hoObject1 "xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:ObjectIdentifier|xades:Description" ""
    Send ComUpdateChildContent To hoObject1 "xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:MimeType" "text/xml"
    Send ComUpdateChildContent To hoObject1 "xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:Encoding" ""

    Get ComGetXml Of hoObject1 To sTemp1
    Showln sTemp1

    Get ComGetXml Of hoObject1 To sTemp1
    Get ComAddObject Of hoGen "" sTemp1 "" "" To iSuccess

    // -------- 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>

    Get Create (RefClass(cComChilkatXml)) To hoXml1
    If (Not(IsComObjectCreated(hoXml1))) Begin
        Send CreateComObject of hoXml1
    End
    Set ComTag Of hoXml1 To "ds:Transforms"
    Get ComUpdateAttrAt Of hoXml1 "ds:Transform" True "Algorithm" "http://www.w3.org/TR/2001/REC-xml-c14n-20010315" To iSuccess
    Get ComUpdateAttrAt Of hoXml1 "ds:Transform[1]" True "Algorithm" "http://www.w3.org/2000/09/xmldsig#enveloped-signature" To iSuccess
    Get ComUpdateAttrAt Of hoXml1 "ds:Transform[2]" True "Algorithm" "http://www.w3.org/TR/1999/REC-xpath-19991116" To iSuccess
    Get ComUpdateAttrAt Of hoXml1 "ds:Transform[2]|ds:XPath" True "xmlns:ds" "http://www.w3.org/2000/09/xmldsig#" To iSuccess
    Send ComUpdateChildContent To hoXml1 "ds:Transform[2]|ds:XPath" "not(ancestor-or-self::ds:Signature)"

    // This is the "Transforms" XML fragment passed to AddSameDocRef2.
    Get ComGetXml Of hoXml1 To sTemp1
    Showln sTemp1

    Get pvComObject of hoXml1 to vXml1
    Get ComAddSameDocRef2 Of hoGen "" "sha1" vXml1 "" To iSuccess

    Get ComSetRefIdAttr Of hoGen "" "Reference-24eb6003-d41c-442c-a731-d4c58f94790b" To iSuccess

    // -------- Reference 2 --------
    Get ComAddObjectRef Of hoGen "Signature-78f29839-06af-448f-b479-ca46457fab1b-SignedProperties" "sha1" "" "" "http://uri.etsi.org/01903#SignedProperties" To iSuccess

    // -------- Reference 3 --------
    Get ComAddSameDocRef Of hoGen "Signature-78f29839-06af-448f-b479-ca46457fab1b-KeyInfo" "sha1" "" "" "" To iSuccess

    // Provide a certificate + private key. (PFX password is test123)
    Get Create (RefClass(cComChilkatCert)) To hoCert
    If (Not(IsComObjectCreated(hoCert))) Begin
        Send CreateComObject of hoCert
    End
    Get ComLoadPfxFile Of hoCert "qa_data/pfx/cert_test123.pfx" "test123" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoCert To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get pvComObject of hoCert to vCert
    Get ComSetX509Cert Of hoGen vCert True To iSuccess

    Set ComKeyInfoType Of hoGen To "X509Data+KeyValue"
    Set ComX509Type Of hoGen To "CertChain"

    // Load XML to be signed...
    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbXml
    If (Not(IsComObjectCreated(hoSbXml))) Begin
        Send CreateComObject of hoSbXml
    End
    Get pvComObject of hoSbXml to vSbXml
    Get ComGetXmlSb Of hoXmlToSign vSbXml To iSuccess

    Set ComBehaviors Of hoGen To "IndentedSignature"

    // Sign the XML...
    Get pvComObject of hoSbXml to vSbXml
    Get ComCreateXmlDSigSb Of hoGen vSbXml To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoGen To sTemp1
        Showln sTemp1
        Procedure_Return
    End

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

    // Save the signed XML to a file.
    Get ComWriteFile Of hoSbXml "qa_output/signedXml.xml" "utf-8" False To iSuccess

    Get ComGetAsString Of hoSbXml To sTemp1
    Showln sTemp1

    // ----------------------------------------
    // Verify the signatures we just produced...
    Get Create (RefClass(cComChilkatXmlDSig)) To hoVerifier
    If (Not(IsComObjectCreated(hoVerifier))) Begin
        Send CreateComObject of hoVerifier
    End
    Get pvComObject of hoSbXml to vSbXml
    Get ComLoadSignatureSb Of hoVerifier vSbXml To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoVerifier To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComNumSignatures Of hoVerifier To iNumSigs
    Move 0 To iVerifyIdx
    While (iVerifyIdx < iNumSigs)
        Set ComSelector Of hoVerifier To iVerifyIdx
        Get ComVerifySignature Of hoVerifier True To iVerified
        If (iVerified <> True) Begin
            Get ComLastErrorText Of hoVerifier To sTemp1
            Showln sTemp1
            Procedure_Return
        End

        Move (iVerifyIdx + 1) To iVerifyIdx
    Loop

    Showln "All signatures were successfully verified."


End_Procedure

 

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