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(DataFlex) Create EBICS Signature (XMLDSIG)

See more EBICS Examples

Demonstrates how to create an EBICS signature. (EBICS is the Electronic Banking Internet Communication Standard)

Note: This example requires Chilkat v9.5.0.88 or above.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Variant vSbXml
    Handle hoSbXml
    Boolean iSuccess
    Handle hoGen
    Variant vCert
    Handle hoCert
    Handle hoVerifier
    Variant vPubKey
    Handle hoPubKey
    String sTemp1

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

    // This is the sample XML to be signed:

    // <?xml version="1.0" encoding="UTF-8"?>
    // <ebicsRequest
    //   xmlns="urn:org:ebics:H005"
    //   xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
    //   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    //   xsi:schemaLocation="urn:org:ebics:H005 ebics_request_H005.xsd"
    //   Version="H005" Revision="1">
    //   <header authenticate="true">
    //     <static>
    //       <HostID>EBIXHOST</HostID>
    //       <Nonce>BDA2312973890654FAC9879A89794E65</Nonce>
    //       <Timestamp>2005-01-30T15:30:45.123Z</Timestamp>
    //       <PartnerID>CUSTM001</PartnerID>
    //       <UserID>USR100</UserID>
    //       <Product Language="en" InstituteID="Institute ID">Product Identifier</Product>
    //       <OrderDetails>
    //         <AdminOrderType>BTU</AdminOrderType>
    //         <BTUOrderParams>
    //           <Service>
    //             <ServiceName>SCT</ServiceName>
    //             <MsgName>pain.001</MsgName>
    //           </Service>
    //         </BTUOrderParams>
    //       </OrderDetails>
    //       <BankPubKeyDigests>
    //         <Authentication Version="X002" Algorithm="http://www.w3.org/2001/04/xmlenc#sha256">1H/rQr2Axe9hYTV2n/tCp+3UIQQ=</Authentication>
    //         <Encryption Version="E002" Algorithm="http://www.w3.org/2001/04/xmlenc#sha256">2lwiueWOIER823jSoiOkjl+woeI=</Encryption>
    //       </BankPubKeyDigests>
    //       <SecurityMedium>0000</SecurityMedium>
    //       <NumSegments>2</NumSegments>
    //     </static>
    //     <mutable>
    //       <TransactionPhase>Initialisation</TransactionPhase>
    //     </mutable>
    //   </header>
    //   <body>
    //     <PreValidation authenticate="true">
    //       <DataDigest SignatureVersion="A006"> MTIzNDU2Nzg5MDEyMzQ1Njc4OTAxMjM0NTY3ODkwMTI=</DataDigest>
    //     </PreValidation>
    //     <DataTransfer>
    //       <DataEncryptionInfo authenticate="true">
    //         <EncryptionPubKeyDigest Version="E002" Algorithm="http://www.w3.org/2001/04/xmlenc#sha256">..here hash value of the public bank key for encryption..</EncryptionPubKeyDigest>
    //         <TransactionKey>EIGI4En6KEB6ArEzw+iq4N1wm6EptcyxXxStA...</TransactionKey>
    //         <HostID>EBIXHOST</HostID>
    //       </DataEncryptionInfo>
    //       <SignatureData authenticate="true">n6KEB6ArEzw+iq4N1wm6EptcyxXxStAO...</SignatureData>
    //       <DataDigest SignatureVersion="A006"> MTIzNDU2Nzg5MDEyMzQ1Njc4OTAxMjM0NTY3ODkwMTI=</DataDigest>
    //     </DataTransfer>
    //   </body>
    // </ebicsRequest>

    // Load the above XML from a file.
    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbXml
    If (Not(IsComObjectCreated(hoSbXml))) Begin
        Send CreateComObject of hoSbXml
    End
    Get ComLoadFile Of hoSbXml "qa_data/xml_dsig/ebics/fileToSign.xml" "utf-8" To iSuccess
    If (iSuccess = False) Begin
        Showln "Failed to load XML input file."
        Procedure_Return
    End

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

    // We're going to insert the signature between the </header> and the <body>
    Set ComSigLocation Of hoGen To "ebicsRequest|header"

    // Set the SigLocationMod = 1 to insert *after* the SigLocation
    Set ComSigLocationMod Of hoGen To 1

    // We wish to use "ds" for the namespace..
    Set ComSigNamespacePrefix Of hoGen To "ds"
    Set ComSigNamespaceUri Of hoGen To "http://www.w3.org/2000/09/xmldsig#"

    // Specify canonicalization and hash algorithms
    Set ComSignedInfoCanonAlg Of hoGen To "C14N"
    Set ComSignedInfoDigestMethod Of hoGen To "sha256"

    // Add the reference.
    // For EBICS signatures, we pass the special keyword "EBICS" in the 1st argument.
    // This tells Chilkat to create the reference using URI="#xpointer(//*[@authenticate='true'])"
    // The "EBICS" keyword was introduced in Chilkat v9.5.0.88.
    Get ComAddSameDocRef Of hoGen "EBICS" "sha256" "C14N" "" "" To iSuccess

    // Provide our certificate + private key. (PFX password is test123)
    // (You'll use your own certificate, which can be loaded from many different sources by Chilkat, including smart cards.)
    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 = False) 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
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoGen To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // We don't want a KeyInfo to be included.
    Set ComKeyInfoType Of hoGen To "None"

    // Request an indented signature for readability.
    // This can be removed after debugging (for a more compact signature).
    Set ComBehaviors Of hoGen To "IndentedSignature"

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

    // This is the XML with the EBICS signature added:

    // <?xml version="1.0" encoding="UTF-8"?>
    // <ebicsRequest
    // xmlns="urn:org:ebics:H005"
    // xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
    // xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    // xsi:schemaLocation="urn:org:ebics:H005 ebics_request_H005.xsd"
    // Version="H005" Revision="1">
    //   <header authenticate="true">
    //     <static>
    //       <HostID>EBIXHOST</HostID>
    //       <Nonce>BDA2312973890654FAC9879A89794E65</Nonce>
    //       <Timestamp>2005-01-30T15:30:45.123Z</Timestamp>
    //       <PartnerID>CUSTM001</PartnerID>
    //       <UserID>USR100</UserID>
    //       <Product Language="en" InstituteID="Institute ID">Product Identifier</Product>
    //       <OrderDetails>
    //         <AdminOrderType>BTU</AdminOrderType>
    //         <BTUOrderParams>
    //           <Service>
    //             <ServiceName>SCT</ServiceName>
    //             <MsgName>pain.001</MsgName>
    //           </Service>
    //         </BTUOrderParams>
    //       </OrderDetails>
    //       <BankPubKeyDigests>
    //         <Authentication Version="X002" Algorithm="http://www.w3.org/2001/04/xmlenc#sha256">1H/rQr2Axe9hYTV2n/tCp+3UIQQ=</Authentication>
    //         <Encryption Version="E002" Algorithm="http://www.w3.org/2001/04/xmlenc#sha256">2lwiueWOIER823jSoiOkjl+woeI=</Encryption>
    //       </BankPubKeyDigests>
    //       <SecurityMedium>0000</SecurityMedium>
    //       <NumSegments>2</NumSegments>
    //     </static>
    //     <mutable>
    //       <TransactionPhase>Initialisation</TransactionPhase>
    //     </mutable>
    //   </header><AuthSignature xmlns:ds="http://www.w3.org/2000/09/xmldsig#">
    //   <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 URI="#xpointer(//*[@authenticate='true'])">
    //       <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>jjLD90BedcIVxFENHse6pOnRubVUlHpKjXUF5BUd00k=</ds:DigestValue>
    //     </ds:Reference>
    //   </ds:SignedInfo>
    //   <ds:SignatureValue>TlVgCXGf+3kKZ4LLwqxKoMaDZSBdiDRcGpdKB+tFZ7MZse9jDqtCai7PxcvRLC7yRGRj3XWrAB6IVqXh6tXGqiAtRfa7XjezvJTmUdMEJ3hTEgKqm7cKjjZX5C+lN5XTJghOy0X1bZBl/NBJu/aqY9s8PKsD5Cpm8bFkl2ReBBTCTSF5CRK3XZr+fvWuUX2sFrFS5UDXG8/cmhaKHT15LBOJgYuLYr80dtL251Jy20rIJ5KK8xUz9gpexE61Y/ml6mUPLm8YgdACRdNvCOPRLjCqYwFbnfgaVO6MtSRG819rWyNtBhqVxdzbntiV1UobKbwFiJ1LMMHF0NCo2LGLCw==</ds:SignatureValue>
    // </AuthSignature>
    //   <body>
    //     <PreValidation authenticate="true">
    //       <DataDigest SignatureVersion="A006"> MTIzNDU2Nzg5MDEyMzQ1Njc4OTAxMjM0NTY3ODkwMTI=</DataDigest>
    //     </PreValidation>
    //     <DataTransfer>
    //       <DataEncryptionInfo authenticate="true">
    //         <EncryptionPubKeyDigest Version="E002" Algorithm="http://www.w3.org/2001/04/xmlenc#sha256">..here hash value of the public bank key for encryption..</EncryptionPubKeyDigest>
    //         <TransactionKey>EIGI4En6KEB6ArEzw+iq4N1wm6EptcyxXxStA...</TransactionKey>
    //         <HostID>EBIXHOST</HostID>
    //       </DataEncryptionInfo>
    //       <SignatureData authenticate="true">n6KEB6ArEzw+iq4N1wm6EptcyxXxStAO...</SignatureData>
    //       <DataDigest SignatureVersion="A006"> MTIzNDU2Nzg5MDEyMzQ1Njc4OTAxMjM0NTY3ODkwMTI=</DataDigest>
    //     </DataTransfer>
    //   </body>
    // </ebicsRequest>

    Showln "Here's the EBICS signed XML:"
    Get ComGetAsString Of hoSbXml To sTemp1
    Showln sTemp1
    Showln "----"

    // Verify the signature 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 = False) Begin
        Get ComLastErrorText Of hoVerifier To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // The signature has no KeyInfo, so we must externally provide the key.
    Get ComExportPublicKey Of hoCert To vPubKey
    If (IsComObject(vPubKey)) Begin
        Get Create (RefClass(cComChilkatPublicKey)) To hoPubKey
        Set pvComObject Of hoPubKey To vPubKey
    End
    Get ComSetPublicKey Of hoVerifier vPubKey To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoVerifier To sTemp1
        Showln sTemp1
        Send Destroy of hoPubKey
        Procedure_Return
    End

    Send Destroy of hoPubKey

    Get ComVerifySignature Of hoVerifier True To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoVerifier To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Showln "EBICS signature verified."


End_Procedure

 

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