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(MFC) 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 C/C++ Library Downloads

MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkStringBuilder.h>
#include <CkXmlDSigGen.h>
#include <CkCert.h>
#include <CkXmlDSig.h>
#include <CkPublicKey.h>

void ChilkatSample(void)
    {
    CkString strOut;

    // 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.
    CkStringBuilder sbXml;
    bool success = sbXml.LoadFile("qa_data/xml_dsig/ebics/fileToSign.xml","utf-8");
    if (success == false) {
        strOut.append("Failed to load XML input file.");
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    CkXmlDSigGen gen;

    // We're going to insert the signature between the </header> and the <body>
    gen.put_SigLocation("ebicsRequest|header");

    // Set the SigLocationMod = 1 to insert *after* the SigLocation
    gen.put_SigLocationMod(1);

    // We wish to use "ds" for the namespace..
    gen.put_SigNamespacePrefix("ds");
    gen.put_SigNamespaceUri("http://www.w3.org/2000/09/xmldsig#");

    // Specify canonicalization and hash algorithms
    gen.put_SignedInfoCanonAlg("C14N");
    gen.put_SignedInfoDigestMethod("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.
    gen.AddSameDocRef("EBICS","sha256","C14N","","");

    // 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.)
    CkCert cert;
    success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123");
    if (success == false) {
        strOut.append(cert.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    success = gen.SetX509Cert(cert,true);
    if (success == false) {
        strOut.append(gen.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // We don't want a KeyInfo to be included.
    gen.put_KeyInfoType("None");

    // Request an indented signature for readability.
    // This can be removed after debugging (for a more compact signature).
    gen.put_Behaviors("IndentedSignature");

    // Sign the XML.
    success = gen.CreateXmlDSigSb(sbXml);
    if (success == false) {
        strOut.append(gen.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // 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>

    strOut.append("Here's the EBICS signed XML:");
    strOut.append("\r\n");
    strOut.append(sbXml.getAsString());
    strOut.append("\r\n");
    strOut.append("----");
    strOut.append("\r\n");

    // Verify the signature we just produced...
    CkXmlDSig verifier;
    success = verifier.LoadSignatureSb(sbXml);
    if (success == false) {
        strOut.append(verifier.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // The signature has no KeyInfo, so we must externally provide the key.
    CkPublicKey *pubKey = cert.ExportPublicKey();
    success = verifier.SetPublicKey(*pubKey);
    if (success == false) {
        strOut.append(verifier.lastErrorText());
        strOut.append("\r\n");
        delete pubKey;
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    delete pubKey;

    success = verifier.VerifySignature(true);
    if (success == false) {
        strOut.append(verifier.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    strOut.append("EBICS signature verified.");
    strOut.append("\r\n");


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }

 

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