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(Unicode C++) Sign SOAP XML using a wsse:SecurityTokenReference

This example signs SOAP XML such that the KeyInfo in the XML Signature is a wsse:SecurityTokenReference to the X.509 certificate embedded elsewhere in the SOAP XML.

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#include <CkStringBuilderW.h>
#include <CkHttpW.h>
#include <CkBinDataW.h>
#include <CkPfxW.h>
#include <CkCertW.h>
#include <CkXmlW.h>
#include <CkXmlDSigGenW.h>

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

    // To begin, we'll need a PFX containing a certificate and private key, and the SOAP XML to be signed.
    // Chilkat provides sample data at chilkatsoft.com and chilkatdownload.com, and our first step is to download.

    // -------------------------------------------------------------------------
    // Step 1: Get the SOAP XML template to be signed.
    // 
    CkStringBuilderW sbXml;

    CkHttpW http;
    bool success = http.QuickGetSb(L"https://www.chilkatsoft.com/exampleData/wssSoapTemplate.xml",sbXml);
    if (success != true) {
        wprintf(L"%s\n",http.lastErrorText());
        return;
    }

    // The SOAP XML template contains this:

    // <?xml version="1.0" encoding="UTF8"?>
    // <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
    // <SOAP-ENV:Header>
    //  <wsse:Security xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
    //                 xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd"
    //                 xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd"
    //                 xmlns:xenc="http://www.w3.org/2001/04/xmlenc#" SOAP-ENV:mustUnderstand="1">
    //  <wsse:BinarySecurityToken
    //                EncodingType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary"
    //                ValueType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509"
    //                wsu:Id="x509cert00">BASE64_CERT</wsse:BinarySecurityToken>
    //  </wsse:Security>
    // </SOAP-ENV:Header>
    // <SOAP-ENV:Body xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" wsu:Id="TheBody">
    //  <getVersion xmlns="http://msgsec.wssecfvt.ws.ibm.com"/>
    // </SOAP-ENV:Body>
    // </SOAP-ENV:Envelope>
    // 

    // -------------------------------------------------------------------------
    // Step 2: Get the test certificate and private key stored in a .pfx
    // 
    CkBinDataW pfxData;
    success = http.QuickGetBd(L"http://chilkatdownload.com/example_data/testcertificate.pfx",pfxData);
    if (success != true) {
        wprintf(L"%s\n",http.lastErrorText());
        return;
    }

    CkPfxW pfx;
    const wchar_t *password = L"test";
    success = pfx.LoadPfxEncoded(pfxData.getEncoded(L"base64"),L"base64",password);
    if (success != true) {
        wprintf(L"%s\n",pfx.lastErrorText());
        return;
    }

    // -------------------------------------------------------------------------
    // Step 3: Get the certificate from the PFX.
    // 
    CkCertW *cert = pfx.GetCert(0);
    if (pfx.get_LastMethodSuccess() != true) {
        wprintf(L"%s\n",pfx.lastErrorText());
        return;
    }

    // -------------------------------------------------------------------------
    // Step 4: Replace "BASE64_CERT" with the actual base64 encoded certificate.
    // 
    CkBinDataW bdCert;
    cert->ExportCertDerBd(bdCert);

    int numReplaced = sbXml.Replace(L"BASE64_CERT",bdCert.getEncoded(L"base64"));

    // -------------------------------------------------------------------------
    // Step 5: Build the wsse:SecurityTokenReference XML.
    // This will be the CustomKeyInfoXml (see below).
    // 
    CkXmlW refXml;
    refXml.put_Tag(L"wsse:SecurityTokenReference");
    refXml.UpdateAttrAt(L"wsse:Reference",true,L"URI",L"#x509cert00");
    refXml.UpdateAttrAt(L"wsse:Reference",true,L"ValueType",L"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509");

    // The above lines of code builds the following XML:

    // 	<wsse:SecurityTokenReference>
    // 	    <wsse:Reference URI="#x509cert00" ValueType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509" />
    // 	</wsse:SecurityTokenReference>
    // 
    refXml.put_EmitXmlDecl(false);
    wprintf(L"%s\n",refXml.getXml());

    // -------------------------------------------------------------------------
    // Step 6: Setup the XML Digital Signature Generator and add the XML Signature.
    // 
    CkXmlDSigGenW gen;
    gen.put_SigLocation(L"SOAP-ENV:Envelope|SOAP-ENV:Header|wsse:Security");
    gen.put_SignedInfoPrefixList(L"wsse SOAP-ENV");
    gen.AddSameDocRef(L"TheBody",L"sha1",L"EXCL_C14N",L"",L"");
    gen.put_KeyInfoType(L"Custom");
    refXml.put_EmitCompact(true);

    gen.put_CustomKeyInfoXml(refXml.getXml());
    gen.SetX509Cert(*cert,true);
    delete cert;

    success = gen.CreateXmlDSigSb(sbXml);
    if (success != true) {
        wprintf(L"%s\n",gen.lastErrorText());
        return;
    }

    // Examine the signed XML
    wprintf(L"%s\n",sbXml.getAsString());

    // Pretty-printed, the XML signature looks as shown here: 
    // (The exact XML signature is shown below. Pretty-printing invalidates the XML signature.)

    // <?xml version="1.0" encoding="UTF8" ?>
    // <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
    //     <SOAP-ENV:Header>
    //         <wsse:Security xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" xmlns:xenc="http://www.w3.org/2001/04/xmlenc#" SOAP-ENV:mustUnderstand="1">
    //             <wsse:BinarySecurityToken EncodingType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary" ValueType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509" wsu:Id="x509cert00">MIID...</wsse:BinarySecurityToken>
    //             <ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#">
    //                 <ds:SignedInfo>
    //                     <ds:CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#">
    //                         <InclusiveNamespaces xmlns="http://www.w3.org/2001/10/xml-exc-c14n#" PrefixList="wsse SOAP-ENV" />
    //                     </ds:CanonicalizationMethod>
    //                     <ds:SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256" />
    //                     <ds:Reference URI="#TheBody">
    //                         <ds:Transforms>
    //                             <ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#" />
    //                         </ds:Transforms>
    //                         <ds:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1" />
    //                         <ds:DigestValue>VhsSnaEAFsY0OYegKQh99v9csXg=</ds:DigestValue>
    //                     </ds:Reference>
    //                 </ds:SignedInfo>
    //                 <ds:SignatureValue>Ynp3H4rtzpXIh4TaVxkpEkS1bMCCu672aeCzUOzheNNfnpmLsCZz3+zQjMBbchPggCayC5ihpEdhRe3XvPXjPXXAgxDP4mic091QPmjHlmUcu8yqRKfxnPtD35nqaxDtCYw+jGIzj+ch094vA4RPCfY8JQnb1mpy1ZjjsMW8741CIh1epbsd/0bZt6tfINUQ37seg07yvLbCJZ/Zf+h8FlFryQk6lHTTeZl/GfQ9NlDBcShby3x8Hc1KwW++zFqEA7G783R9AYPYn3fWTOBhYk5gkgFc+HaPRLR/L0Bp7ZPbmOR/iZQ+HK4W672tTdN/R2GdN7/deV7QTp2DYK1Z8w==</ds:SignatureValue>
    //                 <ds:KeyInfo>
    //                     <wsse:SecurityTokenReference>
    //                         <wsse:Reference URI="#x509cert00" ValueType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509" />
    //                     </wsse:SecurityTokenReference>
    //                 </ds:KeyInfo>
    //             </ds:Signature>
    //         </wsse:Security>
    //     </SOAP-ENV:Header>
    //     <SOAP-ENV:Body xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" wsu:Id="TheBody">
    //         <getVersion xmlns="http://msgsec.wssecfvt.ws.ibm.com" />
    //     </SOAP-ENV:Body>
    // </SOAP-ENV:Envelope>
    // 

    // --------------------------------------------------------------------------------------------
    // This is the XML signature, which is also available at https://www.chilkatsoft.com/exampleData/signedSoapBinarySecurityToken.xml
    // 

    // <?xml version="1.0" encoding="UTF8"?>
    // <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
    // <SOAP-ENV:Header>
    //  <wsse:Security xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
    //                 xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd"
    //                 xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd"
    //                 xmlns:xenc="http://www.w3.org/2001/04/xmlenc#" SOAP-ENV:mustUnderstand="1">
    //  <wsse:BinarySecurityToken
    //                EncodingType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary"
    //                ValueType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509"
    //                wsu:Id="x509cert00">MIIDg...</wsse:BinarySecurityToken>
    //  <ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#"><ds:SignedInfo><ds:CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"><InclusiveNamespaces xmlns="http://www.w3.org/2001/10/xml-exc-c14n#" PrefixList="wsse SOAP-ENV"/></ds:CanonicalizationMethod><ds:SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"/><ds:Reference URI="#TheBody"><ds:Transforms><ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/></ds:Transforms><ds:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"/><ds:DigestValue>VhsSnaEAFsY0OYegKQh99v9csXg=</ds:DigestValue></ds:Reference></ds:SignedInfo><ds:SignatureValue>Ynp3H4rtzpXIh4TaVxkpEkS1bMCCu672aeCzUOzheNNfnpmLsCZz3+zQjMBbchPggCayC5ihpEdhRe3XvPXjPXXAgxDP4mic091QPmjHlmUcu8yqRKfxnPtD35nqaxDtCYw+jGIzj+ch094vA4RPCfY8JQnb1mpy1ZjjsMW8741CIh1epbsd/0bZt6tfINUQ37seg07yvLbCJZ/Zf+h8FlFryQk6lHTTeZl/GfQ9NlDBcShby3x8Hc1KwW++zFqEA7G783R9AYPYn3fWTOBhYk5gkgFc+HaPRLR/L0Bp7ZPbmOR/iZQ+HK4W672tTdN/R2GdN7/deV7QTp2DYK1Z8w==</ds:SignatureValue><ds:KeyInfo><wsse:SecurityTokenReference><wsse:Reference URI="#x509cert00" ValueType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509" /></wsse:SecurityTokenReference></ds:KeyInfo></ds:Signature></wsse:Security>
    // </SOAP-ENV:Header>
    // <SOAP-ENV:Body xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" wsu:Id="TheBody">
    //  <getVersion xmlns="http://msgsec.wssecfvt.ws.ibm.com"/>
    // </SOAP-ENV:Body>
    // </SOAP-ENV:Envelope>
    // 
    }

 

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