Unicode C++
Unicode C++
XML-DSig Add Reference with Transforms Specified Explicitly
Demonstrates how to use the new AddSameDocRef2 method to explicitly specify the XML Transforms fragment.Chilkat Unicode C++ Downloads
#include <CkXmlW.h>
#include <CkXmlDSigGenW.h>
#include <CkCertW.h>
#include <CkStringBuilderW.h>
#include <CkXmlDSigW.h>
void ChilkatSample(void)
{
bool success = false;
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
success = true;
// Create the following XML to be signed:
// <doc>
// <s id="s1">Some text...</s>
// <p>Some text...</p>
// <p class="note">A note...</p>
// </doc>
// Use this online tool to generate code from sample XML:
// Generate Code to Create XML
CkXmlW xmlToSign;
xmlToSign.put_Tag(L"doc");
xmlToSign.UpdateAttrAt(L"s",true,L"id",L"s1");
xmlToSign.UpdateChildContent(L"s",L"Some text...");
xmlToSign.UpdateChildContent(L"p",L"Some text...");
xmlToSign.UpdateAttrAt(L"p[1]",true,L"class",L"note");
xmlToSign.UpdateChildContent(L"p[1]",L"A note...");
wprintf(L"%s\n",xmlToSign.getXml());
CkXmlDSigGenW gen;
gen.put_SigLocation(L"doc");
gen.put_SigLocationMod(0);
gen.put_SigId(L"Signature-78f29839-06af-448f-b479-ca46457fab1b-Signature");
gen.put_SigNamespacePrefix(L"ds");
gen.put_SigNamespaceUri(L"http://www.w3.org/2000/09/xmldsig#");
gen.put_SigValueId(L"Signature-78f29839-06af-448f-b479-ca46457fab1b-SignatureValue");
gen.put_SignedInfoCanonAlg(L"C14N");
gen.put_SignedInfoDigestMethod(L"sha1");
// Set the KeyInfoId before adding references..
gen.put_KeyInfoId(L"Signature-78f29839-06af-448f-b479-ca46457fab1b-KeyInfo");
// The following XML to be added as an Object to the Signature
// Use this online tool to generate code from sample XML:
// Generate Code to Create XML
// <xades:QualifyingProperties Id="Signature-78f29839-06af-448f-b479-ca46457fab1b-QualifyingProperties" Target="#Signature-78f29839-06af-448f-b479-ca46457fab1b-Signature" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:xades="http://uri.etsi.org/01903/v1.3.2#">
// <xades:SignedProperties Id="Signature-78f29839-06af-448f-b479-ca46457fab1b-SignedProperties">
// <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="#Reference-24eb6003-d41c-442c-a731-d4c58f94790b">
// <xades:Description/>
// <xades:ObjectIdentifier>
// <xades:Identifier Qualifier="OIDAsURN">urn:oid:1.2.840.10003.5.109.10</xades:Identifier>
// <xades:Description/>
// </xades:ObjectIdentifier>
// <xades:MimeType>text/xml</xades:MimeType>
// <xades:Encoding/>
// </xades:DataObjectFormat>
// </xades:SignedDataObjectProperties>
// </xades:SignedProperties>
// </xades:QualifyingProperties>
CkXmlW object1;
object1.put_Tag(L"xades:QualifyingProperties");
object1.AddAttribute(L"Id",L"Signature-78f29839-06af-448f-b479-ca46457fab1b-QualifyingProperties");
object1.AddAttribute(L"Target",L"#Signature-78f29839-06af-448f-b479-ca46457fab1b-Signature");
object1.AddAttribute(L"xmlns:ds",L"http://www.w3.org/2000/09/xmldsig#");
object1.AddAttribute(L"xmlns:xades",L"http://uri.etsi.org/01903/v1.3.2#");
object1.UpdateAttrAt(L"xades:SignedProperties",true,L"Id",L"Signature-78f29839-06af-448f-b479-ca46457fab1b-SignedProperties");
object1.UpdateChildContent(L"xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningTime",L"TO BE GENERATED BY CHILKAT");
// 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
object1.UpdateAttrAt(L"xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestMethod",true,L"Algorithm",L"http://www.w3.org/2000/09/xmldsig#sha1");
object1.UpdateChildContent(L"xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestValue",L"TO BE GENERATED BY CHILKAT");
object1.UpdateChildContent(L"xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:IssuerSerialV2",L"TO BE GENERATED BY CHILKAT");
object1.UpdateAttrAt(L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat",true,L"ObjectReference",L"#Reference-24eb6003-d41c-442c-a731-d4c58f94790b");
object1.UpdateChildContent(L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:Description",L"");
object1.UpdateAttrAt(L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:ObjectIdentifier|xades:Identifier",true,L"Qualifier",L"OIDAsURN");
object1.UpdateChildContent(L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:ObjectIdentifier|xades:Identifier",L"urn:oid:1.2.840.10003.5.109.10");
object1.UpdateChildContent(L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:ObjectIdentifier|xades:Description",L"");
object1.UpdateChildContent(L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:MimeType",L"text/xml");
object1.UpdateChildContent(L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:Encoding",L"");
wprintf(L"%s\n",object1.getXml());
gen.AddObject(L"",object1.getXml(),L"",L"");
// -------- Reference 1 --------
// Create the following Transforms fragment:
// Use this online tool to generate code from sample XML:
// Generate Code to Create XML
// <ds:Transforms>
// <ds:Transform Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"/>
// <ds:Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/>
// <ds:Transform Algorithm="http://www.w3.org/TR/1999/REC-xpath-19991116">
// <ds:XPath xmlns:ds="http://www.w3.org/2000/09/xmldsig#">not(ancestor-or-self::ds:Signature)</ds:XPath>
// </ds:Transform>
// </ds:Transforms>
CkXmlW xml1;
xml1.put_Tag(L"ds:Transforms");
xml1.UpdateAttrAt(L"ds:Transform",true,L"Algorithm",L"http://www.w3.org/TR/2001/REC-xml-c14n-20010315");
xml1.UpdateAttrAt(L"ds:Transform[1]",true,L"Algorithm",L"http://www.w3.org/2000/09/xmldsig#enveloped-signature");
xml1.UpdateAttrAt(L"ds:Transform[2]",true,L"Algorithm",L"http://www.w3.org/TR/1999/REC-xpath-19991116");
xml1.UpdateAttrAt(L"ds:Transform[2]|ds:XPath",true,L"xmlns:ds",L"http://www.w3.org/2000/09/xmldsig#");
xml1.UpdateChildContent(L"ds:Transform[2]|ds:XPath",L"not(ancestor-or-self::ds:Signature)");
// This is the "Transforms" XML fragment passed to AddSameDocRef2.
wprintf(L"%s\n",xml1.getXml());
gen.AddSameDocRef2(L"",L"sha1",xml1,L"");
gen.SetRefIdAttr(L"",L"Reference-24eb6003-d41c-442c-a731-d4c58f94790b");
// -------- Reference 2 --------
gen.AddObjectRef(L"Signature-78f29839-06af-448f-b479-ca46457fab1b-SignedProperties",L"sha1",L"",L"",L"http://uri.etsi.org/01903#SignedProperties");
// -------- Reference 3 --------
gen.AddSameDocRef(L"Signature-78f29839-06af-448f-b479-ca46457fab1b-KeyInfo",L"sha1",L"",L"",L"");
// Provide a certificate + private key. (PFX password is test123)
CkCertW cert;
success = cert.LoadPfxFile(L"qa_data/pfx/cert_test123.pfx",L"test123");
if (success != true) {
wprintf(L"%s\n",cert.lastErrorText());
return;
}
gen.SetX509Cert(cert,true);
gen.put_KeyInfoType(L"X509Data+KeyValue");
gen.put_X509Type(L"CertChain");
// Load XML to be signed...
CkStringBuilderW sbXml;
xmlToSign.GetXmlSb(sbXml);
gen.put_Behaviors(L"IndentedSignature");
// Sign the XML...
success = gen.CreateXmlDSigSb(sbXml);
if (success != true) {
wprintf(L"%s\n",gen.lastErrorText());
return;
}
// -----------------------------------------------
// Save the signed XML to a file.
success = sbXml.WriteFile(L"qa_output/signedXml.xml",L"utf-8",false);
wprintf(L"%s\n",sbXml.getAsString());
// ----------------------------------------
// Verify the signatures we just produced...
CkXmlDSigW verifier;
success = verifier.LoadSignatureSb(sbXml);
if (success != true) {
wprintf(L"%s\n",verifier.lastErrorText());
return;
}
int numSigs = verifier.get_NumSignatures();
int verifyIdx = 0;
while (verifyIdx < numSigs) {
verifier.put_Selector(verifyIdx);
bool verified = verifier.VerifySignature(true);
if (verified != true) {
wprintf(L"%s\n",verifier.lastErrorText());
return;
}
verifyIdx = verifyIdx + 1;
}
wprintf(L"All signatures were successfully verified.\n");
}