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(DataFlex) XML-DSig Add Object Reference with Transforms Specified ExplicitlyDemonstrates how to use the new AddObjectRef2 method to explicitly specify the XML Transforms fragment.
Use ChilkatAx-win32.pkg Procedure Test Boolean iSuccess Handle hoXmlToSign Handle hoGen Handle hoObject1 Variant vXml1 Handle hoXml1 Variant vXml2 Handle hoXml2 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 // Build the following XML to be signed: // <?xml version="1.0" encoding="utf-8"?> // <InitUpload xmlns="http://e-dokumenty.mf.gov.pl"> // <DocumentType>JPK</DocumentType> // <Version>01.02.01.20160617</Version> // <EncryptionKey algorithm="RSA" encoding="Base64" mode="ECB" padding="PKCS#1">xxxx</EncryptionKey> // <DocumentList> // <Document> // <FormCode schemaVersion="1-1" systemCode="JPK_VAT (3)">JPK_VAT</FormCode> // <FileName>JPK_VAT_3_v1-1_20181201.xml</FileName> // <ContentLength>8736</ContentLength> // <HashValue algorithm="SHA-256" encoding="Base64">JEDI1pItwh6dj/Xx1uts/x61qnjZ4DLHpkZMhmf1oKQ=</HashValue> // <FileSignatureList filesNumber="1"> // <Packaging> // <SplitZip mode="zip" type="split"/> // </Packaging> // <Encryption> // <AES block="16" mode="CBC" padding="PKCS#7" size="256"> // <IV bytes="16" encoding="Base64">z64oN9zXHt1+S3XACRSCYw==</IV> // </AES> // </Encryption> // <FileSignature> // <OrdinalNumber>1</OrdinalNumber> // <FileName>JPK_VAT_3_v1-1_20181201-000.xml.zip.aes</FileName> // <ContentLength>16</ContentLength> // <HashValue algorithm="MD5" encoding="Base64">5MX0q1935fvMjLFV7E1yDw==</HashValue> // </FileSignature> // </FileSignatureList> // </Document> // </DocumentList> // </InitUpload> // 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 "InitUpload" Get ComAddAttribute Of hoXmlToSign "xmlns" "http://e-dokumenty.mf.gov.pl" To iSuccess Send ComUpdateChildContent To hoXmlToSign "DocumentType" "JPK" Send ComUpdateChildContent To hoXmlToSign "Version" "01.02.01.20160617" Get ComUpdateAttrAt Of hoXmlToSign "EncryptionKey" True "algorithm" "RSA" To iSuccess Get ComUpdateAttrAt Of hoXmlToSign "EncryptionKey" True "encoding" "Base64" To iSuccess Get ComUpdateAttrAt Of hoXmlToSign "EncryptionKey" True "mode" "ECB" To iSuccess Get ComUpdateAttrAt Of hoXmlToSign "EncryptionKey" True "padding" "PKCS#1" To iSuccess Send ComUpdateChildContent To hoXmlToSign "EncryptionKey" "xxxx" Get ComUpdateAttrAt Of hoXmlToSign "DocumentList|Document|FormCode" True "schemaVersion" "1-1" To iSuccess Get ComUpdateAttrAt Of hoXmlToSign "DocumentList|Document|FormCode" True "systemCode" "JPK_VAT (3)" To iSuccess Send ComUpdateChildContent To hoXmlToSign "DocumentList|Document|FormCode" "JPK_VAT" Send ComUpdateChildContent To hoXmlToSign "DocumentList|Document|FileName" "JPK_VAT_3_v1-1_20181201.xml" Send ComUpdateChildContent To hoXmlToSign "DocumentList|Document|ContentLength" "8736" Get ComUpdateAttrAt Of hoXmlToSign "DocumentList|Document|HashValue" True "algorithm" "SHA-256" To iSuccess Get ComUpdateAttrAt Of hoXmlToSign "DocumentList|Document|HashValue" True "encoding" "Base64" To iSuccess Send ComUpdateChildContent To hoXmlToSign "DocumentList|Document|HashValue" "JEDI1pItwh6dj/Xx1uts/x61qnjZ4DLHpkZMhmf1oKQ=" Get ComUpdateAttrAt Of hoXmlToSign "DocumentList|Document|FileSignatureList" True "filesNumber" "1" To iSuccess Get ComUpdateAttrAt Of hoXmlToSign "DocumentList|Document|FileSignatureList|Packaging|SplitZip" True "mode" "zip" To iSuccess Get ComUpdateAttrAt Of hoXmlToSign "DocumentList|Document|FileSignatureList|Packaging|SplitZip" True "type" "split" To iSuccess Get ComUpdateAttrAt Of hoXmlToSign "DocumentList|Document|FileSignatureList|Encryption|AES" True "block" "16" To iSuccess Get ComUpdateAttrAt Of hoXmlToSign "DocumentList|Document|FileSignatureList|Encryption|AES" True "mode" "CBC" To iSuccess Get ComUpdateAttrAt Of hoXmlToSign "DocumentList|Document|FileSignatureList|Encryption|AES" True "padding" "PKCS#7" To iSuccess Get ComUpdateAttrAt Of hoXmlToSign "DocumentList|Document|FileSignatureList|Encryption|AES" True "size" "256" To iSuccess Get ComUpdateAttrAt Of hoXmlToSign "DocumentList|Document|FileSignatureList|Encryption|AES|IV" True "bytes" "16" To iSuccess Get ComUpdateAttrAt Of hoXmlToSign "DocumentList|Document|FileSignatureList|Encryption|AES|IV" True "encoding" "Base64" To iSuccess Send ComUpdateChildContent To hoXmlToSign "DocumentList|Document|FileSignatureList|Encryption|AES|IV" "z64oN9zXHt1+S3XACRSCYw==" Send ComUpdateChildContent To hoXmlToSign "DocumentList|Document|FileSignatureList|FileSignature|OrdinalNumber" "1" Send ComUpdateChildContent To hoXmlToSign "DocumentList|Document|FileSignatureList|FileSignature|FileName" "JPK_VAT_3_v1-1_20181201-000.xml.zip.aes" Send ComUpdateChildContent To hoXmlToSign "DocumentList|Document|FileSignatureList|FileSignature|ContentLength" "16" Get ComUpdateAttrAt Of hoXmlToSign "DocumentList|Document|FileSignatureList|FileSignature|HashValue" True "algorithm" "MD5" To iSuccess Get ComUpdateAttrAt Of hoXmlToSign "DocumentList|Document|FileSignatureList|FileSignature|HashValue" True "encoding" "Base64" To iSuccess Send ComUpdateChildContent To hoXmlToSign "DocumentList|Document|FileSignatureList|FileSignature|HashValue" "5MX0q1935fvMjLFV7E1yDw==" Get Create (RefClass(cComChilkatXmlDSigGen)) To hoGen If (Not(IsComObjectCreated(hoGen))) Begin Send CreateComObject of hoGen End Set ComSigLocation Of hoGen To "InitUpload" Set ComSigLocationMod Of hoGen To 0 Set ComSigId Of hoGen To "id-1234" Set ComSigNamespacePrefix Of hoGen To "ds" Set ComSigNamespaceUri Of hoGen To "http://www.w3.org/2000/09/xmldsig#" Set ComSignedInfoCanonAlg Of hoGen To "EXCL_C14N" Set ComSignedInfoDigestMethod Of hoGen To "sha256" // Create an Object to be added to the Signature. // <xades:QualifyingProperties Target="#id-1234" xmlns:xades="http://uri.etsi.org/01903/v1.3.2#"> // <xades:SignedProperties Id="xades-id-1234"> // <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="#r-id-1"> // <xades:MimeType>text/xml</xades:MimeType> // </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 "Target" "#id-1234" 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" "xades-id-1234" To iSuccess // 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 Send ComUpdateChildContent To hoObject1 "xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningTime" "TO BE GENERATED BY CHILKAT" Get ComUpdateAttrAt Of hoObject1 "xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|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:SigningCertificate|xades:Cert|xades:CertDigest|ds:DigestValue" "TO BE GENERATED BY CHILKAT" Send ComUpdateChildContent To hoObject1 "xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:IssuerSerial|ds:X509IssuerName" "TO BE GENERATED BY CHILKAT" Send ComUpdateChildContent To hoObject1 "xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:IssuerSerial|ds:X509SerialNumber" "TO BE GENERATED BY CHILKAT" Get ComUpdateAttrAt Of hoObject1 "xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat" True "ObjectReference" "#r-id-1" To iSuccess Send ComUpdateChildContent To hoObject1 "xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:MimeType" "text/xml" Get ComGetXml Of hoObject1 To sTemp1 Get ComAddObject Of hoGen "" sTemp1 "" "" To iSuccess // -------- Reference 1 -------- // Build the following Transforms fragment: // <ds:Transforms> // <ds:Transform Algorithm="http://www.w3.org/TR/1999/REC-xpath-19991116"> // <ds:XPath>not(ancestor-or-self::ds:Signature)</ds:XPath> // </ds:Transform> // <ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/> // </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/1999/REC-xpath-19991116" To iSuccess Send ComUpdateChildContent To hoXml1 "ds:Transform|ds:XPath" "not(ancestor-or-self::ds:Signature)" Get ComUpdateAttrAt Of hoXml1 "ds:Transform[1]" True "Algorithm" "http://www.w3.org/2001/10/xml-exc-c14n#" To iSuccess Get pvComObject of hoXml1 to vXml1 Get ComAddSameDocRef2 Of hoGen "" "sha256" vXml1 "" To iSuccess Get ComSetRefIdAttr Of hoGen "" "r-id-1" To iSuccess // -------- Reference 2 -------- // Build the following Transforms fragment: // <ds:Transforms> // <ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/> // </ds:Transforms> Get Create (RefClass(cComChilkatXml)) To hoXml2 If (Not(IsComObjectCreated(hoXml2))) Begin Send CreateComObject of hoXml2 End Set ComTag Of hoXml2 To "ds:Transforms" Get ComUpdateAttrAt Of hoXml2 "ds:Transform" True "Algorithm" "http://www.w3.org/2001/10/xml-exc-c14n#" To iSuccess Get pvComObject of hoXml2 to vXml2 Get ComAddObjectRef2 Of hoGen "xades-id-1234" "sha256" vXml2 "http://uri.etsi.org/01903#SignedProperties" 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" Set ComX509Type Of hoGen To "Certificate" // 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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