Chilkat Examples

ChilkatHOMEAndroid™Classic ASPCC++C#Mono C#.NET Core C#C# UWP/WinRTDataFlexDelphi ActiveXDelphi DLLVisual FoxProJavaLianjaMFCObjective-CPerlPHP ActiveXPHP ExtensionPowerBuilderPowerShellPureBasicCkPythonChilkat2-PythonRubySQL ServerSwift 2Swift 3,4,5...TclUnicode CUnicode C++Visual Basic 6.0VB.NETVB.NET UWP/WinRTVBScriptXojo PluginNode.jsExcelGo

MFC Examples

Web API Categories

ASN.1
Amazon EC2
Amazon Glacier
Amazon S3
Amazon S3 (new)
Amazon SES
Amazon SNS
Amazon SQS
Async
Azure Cloud Storage
Azure Service Bus
Azure Table Service
Base64
Bounced Email
Box
CAdES
CSR
CSV
Certificates
Compression
DKIM / DomainKey
DSA
Diffie-Hellman
Digital Signatures
Dropbox
Dynamics CRM
EBICS
ECC
Ed25519
Email Object
Encryption
FTP
FileAccess
Firebase
GMail REST API
GMail SMTP/IMAP/POP
Geolocation
Google APIs
Google Calendar
Google Cloud SQL
Google Cloud Storage
Google Drive
Google Photos
Google Sheets
Google Tasks
Gzip
HTML-to-XML/Text
HTTP

HTTP Misc
IMAP
JSON
JSON Web Encryption (JWE)
JSON Web Signatures (JWS)
JSON Web Token (JWT)
Java KeyStore (JKS)
MHT / HTML Email
MIME
MS Storage Providers
Microsoft Graph
NTLM
OAuth1
OAuth2
OIDC
Office365
OneDrive
OpenSSL
Outlook
Outlook Calendar
Outlook Contact
PDF Signatures
PEM
PFX/P12
PKCS11
POP3
PRNG
REST
REST Misc
RSA
SCP
SCard
SFTP
SMTP
SSH
SSH Key
SSH Tunnel
ScMinidriver
SharePoint
Socket/SSL/TLS
Spider
Stream
Tar Archive
Upload
WebSocket
XAdES
XML
XML Digital Signatures
XMP
Zip
curl

 

 

 

(MFC) XML Signature Multiple External References

Demonstrates how to add multiple external references to an XML digital signature.

Chilkat C/C++ Library Downloads

MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkXmlDSigGen.h>
#include <CkXml.h>
#include <CkHttp.h>
#include <CkBinData.h>
#include <CkCert.h>
#include <CkStringBuilder.h>
#include <CkXmlDSig.h>

void ChilkatSample(void)
    {
    CkString strOut;

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

    // This example creates the following signed XML with multiple external references:

    // <?xml version="1.0" encoding="UTF-8"?>
    // <ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#" Id="xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4">
    //     <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 Id="xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-ref0" URI="https://isus.ezdrowie.gov.pl/fhir/Patient/123/_history/456">
    //             <ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/>
    //             <ds:DigestValue>...</ds:DigestValue>
    //         </ds:Reference>
    //         <ds:Reference Id="xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-ref1" URI="https://isus.ezdrowie.gov.pl/fhir/Encounter/124/_history/22">
    //             <ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/>
    //             <ds:DigestValue>...</ds:DigestValue>
    //         </ds:Reference>
    //         <ds:Reference Id="xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-ref2" URI="https://isus.ezdrowie.gov.pl/fhir/Condition/125/_history/1">
    //             <ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/>
    //             <ds:DigestValue>...</ds:DigestValue>
    //         </ds:Reference>
    //         <ds:Reference Id="xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-ref3" URI="https://isus.ezdrowie.gov.pl/fhir/Procedure/126/_history/1">
    //             <ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/>
    //             <ds:DigestValue>...</ds:DigestValue>
    //         </ds:Reference>
    //         <ds:Reference Type="http://uri.etsi.org/01903#SignedProperties" URI="#xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-signedprops">
    //             <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>...</ds:DigestValue>
    //         </ds:Reference>
    //     </ds:SignedInfo>
    //     <ds:SignatureValue Id="xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-sigvalue">...</ds:SignatureValue>
    //     <ds:KeyInfo>
    //         <ds:X509Data>
    //             <ds:X509Certificate>...</ds:X509Certificate>
    //             <ds:X509SubjectName>...</ds:X509SubjectName>
    //             <ds:X509IssuerSerial>
    //                 <ds:X509IssuerName>...</ds:X509IssuerName>
    //                 <ds:X509SerialNumber>...</ds:X509SerialNumber>
    //             </ds:X509IssuerSerial>
    //         </ds:X509Data>
    //     </ds:KeyInfo>
    //     <ds:Object>
    //         <xades:QualifyingProperties xmlns:xades="http://uri.etsi.org/01903/v1.3.2#" xmlns:xades141="http://uri.etsi.org/01903/v1.4.1#" Target="#xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4">
    //             <xades:SignedProperties Id="xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-signedprops">
    //                 <xades:SignedSignatureProperties>
    //                     <xades:SigningTime>2021-06-02T07:10:13.306+02:00</xades:SigningTime>
    //                     <xades:SigningCertificate>
    //                         <xades:Cert>
    //                             <xades:CertDigest>
    //                                 <ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/>
    //                                 <ds:DigestValue>...</ds:DigestValue>
    //                             </xades:CertDigest>
    //                             <xades:IssuerSerial>
    //                                 <ds:X509IssuerName>...</ds:X509IssuerName>
    //                                 <ds:X509SerialNumber>...</ds:X509SerialNumber>
    //                             </xades:IssuerSerial>
    //                         </xades:Cert>
    //                         <xades:Cert>
    //                             <xades:CertDigest>
    //                                 <ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/>
    //                                 <ds:DigestValue>...</ds:DigestValue>
    //                             </xades:CertDigest>
    //                             <xades:IssuerSerial>
    //                                 <ds:X509IssuerName>...</ds:X509IssuerName>
    //                                 <ds:X509SerialNumber>...</ds:X509SerialNumber>
    //                             </xades:IssuerSerial>
    //                         </xades:Cert>
    //                         <xades:Cert>
    //                             <xades:CertDigest>
    //                                 <ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/>
    //                                 <ds:DigestValue>...</ds:DigestValue>
    //                             </xades:CertDigest>
    //                             <xades:IssuerSerial>
    //                                 <ds:X509IssuerName>...</ds:X509IssuerName>
    //                                 <ds:X509SerialNumber>...</ds:X509SerialNumber>
    //                             </xades:IssuerSerial>
    //                         </xades:Cert>
    //                     </xades:SigningCertificate>
    //                 </xades:SignedSignatureProperties>
    //             </xades:SignedProperties>
    //         </xades:QualifyingProperties>
    //     </ds:Object>
    // </ds:Signature>
    // 

    bool success = true;
    CkXmlDSigGen gen;

    gen.put_SigLocation("");
    gen.put_SigLocationMod(0);
    // Note: ID's simply need to be unique values in the signed XML document.  They don't necessarily need to be GUID/UUID formatted.
    gen.put_SigId("xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4");
    gen.put_SigNamespacePrefix("ds");
    gen.put_SigNamespaceUri("http://www.w3.org/2000/09/xmldsig#");
    gen.put_SigValueId("xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-sigvalue");
    gen.put_SignedInfoCanonAlg("C14N");
    gen.put_SignedInfoDigestMethod("sha256");

    // Create an Object to be added to the Signature.
    CkXml object1;
    object1.put_Tag("xades:QualifyingProperties");
    object1.AddAttribute("xmlns:xades","http://uri.etsi.org/01903/v1.3.2#");
    object1.AddAttribute("xmlns:xades141","http://uri.etsi.org/01903/v1.4.1#");
    object1.AddAttribute("Target","#xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4");
    object1.UpdateAttrAt("xades:SignedProperties",true,"Id","xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-signedprops");
    object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningTime","TO BE GENERATED BY CHILKAT");
    // This assumes there are 3 certs in the certificate chain:  The signing certificate, an intermediate root, and the root CA.
    // Remove the lines with "Cert[2]" if there is no intermediate root...
    object1.UpdateAttrAt("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:CertDigest|ds:DigestMethod",true,"Algorithm","http://www.w3.org/2001/04/xmlenc#sha256");
    object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:CertDigest|ds:DigestValue","TO BE GENERATED BY CHILKAT");
    object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:IssuerSerial|ds:X509IssuerName","TO BE GENERATED BY CHILKAT");
    object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:IssuerSerial|ds:X509SerialNumber","TO BE GENERATED BY CHILKAT");
    object1.UpdateAttrAt("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert[1]|xades:CertDigest|ds:DigestMethod",true,"Algorithm","http://www.w3.org/2001/04/xmlenc#sha256");
    object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert[1]|xades:CertDigest|ds:DigestValue","TO BE GENERATED BY CHILKAT");
    object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert[1]|xades:IssuerSerial|ds:X509IssuerName","TO BE GENERATED BY CHILKAT");
    object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert[1]|xades:IssuerSerial|ds:X509SerialNumber","TO BE GENERATED BY CHILKAT");
    object1.UpdateAttrAt("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert[2]|xades:CertDigest|ds:DigestMethod",true,"Algorithm","http://www.w3.org/2001/04/xmlenc#sha256");
    object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert[2]|xades:CertDigest|ds:DigestValue","TO BE GENERATED BY CHILKAT");
    object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert[2]|xades:IssuerSerial|ds:X509IssuerName","TO BE GENERATED BY CHILKAT");
    object1.UpdateChildContent("xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert[2]|xades:IssuerSerial|ds:X509SerialNumber","TO BE GENERATED BY CHILKAT");

    gen.AddObject("",object1.getXml(),"","");

    CkHttp http;
    CkBinData bd;

    const char *url = "https://isus.ezdrowie.gov.pl/fhir/Patient/123/_history/456";
    success = http.QuickGetBd(url,bd);
    if (success != true) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // -------- Reference 1 --------
    gen.AddExternalBinaryRef(url,bd,"sha256","");
    gen.SetRefIdAttr(url,"xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-ref0");

    // -------- Reference 2 --------
    bd.Clear();
    url = "https://isus.ezdrowie.gov.pl/fhir/Encounter/789/_history/1";
    success = http.QuickGetBd(url,bd);
    if (success != true) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    gen.AddExternalBinaryRef(url,bd,"sha256","");
    gen.SetRefIdAttr(url,"xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-ref1");

    // -------- Reference 3 --------
    bd.Clear();
    url = "https://isus.ezdrowie.gov.pl/fhir/Condition/123456/_history/1";
    success = http.QuickGetBd(url,bd);
    if (success != true) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    gen.AddExternalBinaryRef(url,bd,"sha256","");
    gen.SetRefIdAttr(url,"xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-ref2");

    // -------- Reference 4 --------
    bd.Clear();
    url = "https://isus.ezdrowie.gov.pl/fhir/Procedure/123456/_history/1";
    success = http.QuickGetBd(url,bd);
    if (success != true) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    gen.AddExternalBinaryRef(url,bd,"sha256","");
    gen.SetRefIdAttr(url,"xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-ref3");

    // -------- Reference 5 --------
    gen.AddObjectRef("xmldsig-2dde88a8-def0-43e4-8570-b031015a46b4-signedprops","sha256","C14N","","http://uri.etsi.org/01903#SignedProperties");

    // Provide a certificate + private key. (PFX password is test123)
    CkCert cert;
    success = cert.LoadPfxFile("qa_data/pfx/cert_test123.pfx","test123");
    if (success != true) {
        strOut.append(cert.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    gen.SetX509Cert(cert,true);

    gen.put_KeyInfoType("X509Data");
    gen.put_X509Type("IssuerSerial,SubjectName,Certificate");

    // This will be an enveloping signature where the Signature element
    // is the XML document root, the signed data is contained within Object
    // tag(s) within the Signature.
    // Therefore, pass an empty sbXml to CreateXmlDsigSb.
    CkStringBuilder sbXml;

    gen.put_Behaviors("IndentedSignature");

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

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

    // Save the signed XML to a file.
    success = sbXml.WriteFile("qa_output/signedXml.xml","utf-8",false);

    strOut.append(sbXml.getAsString());
    strOut.append("\r\n");

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

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

    strOut.append("This signature was successfully verified.");
    strOut.append("\r\n");


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }

 

© 2000-2022 Chilkat Software, Inc. All Rights Reserved.