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 <C_CkXmlW.h>
#include <C_CkXmlDSigGenW.h>
#include <C_CkCertW.h>
#include <C_CkStringBuilderW.h>
#include <C_CkXmlDSigW.h>
void ChilkatSample(void)
{
BOOL success;
HCkXmlW xmlToSign;
HCkXmlDSigGenW gen;
HCkXmlW object1;
HCkXmlW xml1;
HCkCertW cert;
HCkStringBuilderW sbXml;
HCkXmlDSigW verifier;
int numSigs;
int verifyIdx;
BOOL verified;
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
xmlToSign = CkXmlW_Create();
CkXmlW_putTag(xmlToSign,L"doc");
CkXmlW_UpdateAttrAt(xmlToSign,L"s",TRUE,L"id",L"s1");
CkXmlW_UpdateChildContent(xmlToSign,L"s",L"Some text...");
CkXmlW_UpdateChildContent(xmlToSign,L"p",L"Some text...");
CkXmlW_UpdateAttrAt(xmlToSign,L"p[1]",TRUE,L"class",L"note");
CkXmlW_UpdateChildContent(xmlToSign,L"p[1]",L"A note...");
wprintf(L"%s\n",CkXmlW_getXml(xmlToSign));
gen = CkXmlDSigGenW_Create();
CkXmlDSigGenW_putSigLocation(gen,L"doc");
CkXmlDSigGenW_putSigLocationMod(gen,0);
CkXmlDSigGenW_putSigId(gen,L"Signature-78f29839-06af-448f-b479-ca46457fab1b-Signature");
CkXmlDSigGenW_putSigNamespacePrefix(gen,L"ds");
CkXmlDSigGenW_putSigNamespaceUri(gen,L"http://www.w3.org/2000/09/xmldsig#");
CkXmlDSigGenW_putSigValueId(gen,L"Signature-78f29839-06af-448f-b479-ca46457fab1b-SignatureValue");
CkXmlDSigGenW_putSignedInfoCanonAlg(gen,L"C14N");
CkXmlDSigGenW_putSignedInfoDigestMethod(gen,L"sha1");
// Set the KeyInfoId before adding references..
CkXmlDSigGenW_putKeyInfoId(gen,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>
object1 = CkXmlW_Create();
CkXmlW_putTag(object1,L"xades:QualifyingProperties");
CkXmlW_AddAttribute(object1,L"Id",L"Signature-78f29839-06af-448f-b479-ca46457fab1b-QualifyingProperties");
CkXmlW_AddAttribute(object1,L"Target",L"#Signature-78f29839-06af-448f-b479-ca46457fab1b-Signature");
CkXmlW_AddAttribute(object1,L"xmlns:ds",L"http://www.w3.org/2000/09/xmldsig#");
CkXmlW_AddAttribute(object1,L"xmlns:xades",L"http://uri.etsi.org/01903/v1.3.2#");
CkXmlW_UpdateAttrAt(object1,L"xades:SignedProperties",TRUE,L"Id",L"Signature-78f29839-06af-448f-b479-ca46457fab1b-SignedProperties");
CkXmlW_UpdateChildContent(object1,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
CkXmlW_UpdateAttrAt(object1,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");
CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestValue",L"TO BE GENERATED BY CHILKAT");
CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:IssuerSerialV2",L"TO BE GENERATED BY CHILKAT");
CkXmlW_UpdateAttrAt(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat",TRUE,L"ObjectReference",L"#Reference-24eb6003-d41c-442c-a731-d4c58f94790b");
CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:Description",L"");
CkXmlW_UpdateAttrAt(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:ObjectIdentifier|xades:Identifier",TRUE,L"Qualifier",L"OIDAsURN");
CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:ObjectIdentifier|xades:Identifier",L"urn:oid:1.2.840.10003.5.109.10");
CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:ObjectIdentifier|xades:Description",L"");
CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:MimeType",L"text/xml");
CkXmlW_UpdateChildContent(object1,L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:Encoding",L"");
wprintf(L"%s\n",CkXmlW_getXml(object1));
CkXmlDSigGenW_AddObject(gen,L"",CkXmlW_getXml(object1),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>
xml1 = CkXmlW_Create();
CkXmlW_putTag(xml1,L"ds:Transforms");
CkXmlW_UpdateAttrAt(xml1,L"ds:Transform",TRUE,L"Algorithm",L"http://www.w3.org/TR/2001/REC-xml-c14n-20010315");
CkXmlW_UpdateAttrAt(xml1,L"ds:Transform[1]",TRUE,L"Algorithm",L"http://www.w3.org/2000/09/xmldsig#enveloped-signature");
CkXmlW_UpdateAttrAt(xml1,L"ds:Transform[2]",TRUE,L"Algorithm",L"http://www.w3.org/TR/1999/REC-xpath-19991116");
CkXmlW_UpdateAttrAt(xml1,L"ds:Transform[2]|ds:XPath",TRUE,L"xmlns:ds",L"http://www.w3.org/2000/09/xmldsig#");
CkXmlW_UpdateChildContent(xml1,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",CkXmlW_getXml(xml1));
CkXmlDSigGenW_AddSameDocRef2(gen,L"",L"sha1",xml1,L"");
CkXmlDSigGenW_SetRefIdAttr(gen,L"",L"Reference-24eb6003-d41c-442c-a731-d4c58f94790b");
// -------- Reference 2 --------
CkXmlDSigGenW_AddObjectRef(gen,L"Signature-78f29839-06af-448f-b479-ca46457fab1b-SignedProperties",L"sha1",L"",L"",L"http://uri.etsi.org/01903#SignedProperties");
// -------- Reference 3 --------
CkXmlDSigGenW_AddSameDocRef(gen,L"Signature-78f29839-06af-448f-b479-ca46457fab1b-KeyInfo",L"sha1",L"",L"",L"");
// Provide a certificate + private key. (PFX password is test123)
cert = CkCertW_Create();
success = CkCertW_LoadPfxFile(cert,L"qa_data/pfx/cert_test123.pfx",L"test123");
if (success != TRUE) {
wprintf(L"%s\n",CkCertW_lastErrorText(cert));
CkXmlW_Dispose(xmlToSign);
CkXmlDSigGenW_Dispose(gen);
CkXmlW_Dispose(object1);
CkXmlW_Dispose(xml1);
CkCertW_Dispose(cert);
return;
}
CkXmlDSigGenW_SetX509Cert(gen,cert,TRUE);
CkXmlDSigGenW_putKeyInfoType(gen,L"X509Data+KeyValue");
CkXmlDSigGenW_putX509Type(gen,L"CertChain");
// Load XML to be signed...
sbXml = CkStringBuilderW_Create();
CkXmlW_GetXmlSb(xmlToSign,sbXml);
CkXmlDSigGenW_putBehaviors(gen,L"IndentedSignature");
// Sign the XML...
success = CkXmlDSigGenW_CreateXmlDSigSb(gen,sbXml);
if (success != TRUE) {
wprintf(L"%s\n",CkXmlDSigGenW_lastErrorText(gen));
CkXmlW_Dispose(xmlToSign);
CkXmlDSigGenW_Dispose(gen);
CkXmlW_Dispose(object1);
CkXmlW_Dispose(xml1);
CkCertW_Dispose(cert);
CkStringBuilderW_Dispose(sbXml);
return;
}
// -----------------------------------------------
// Save the signed XML to a file.
success = CkStringBuilderW_WriteFile(sbXml,L"qa_output/signedXml.xml",L"utf-8",FALSE);
wprintf(L"%s\n",CkStringBuilderW_getAsString(sbXml));
// ----------------------------------------
// Verify the signatures we just produced...
verifier = CkXmlDSigW_Create();
success = CkXmlDSigW_LoadSignatureSb(verifier,sbXml);
if (success != TRUE) {
wprintf(L"%s\n",CkXmlDSigW_lastErrorText(verifier));
CkXmlW_Dispose(xmlToSign);
CkXmlDSigGenW_Dispose(gen);
CkXmlW_Dispose(object1);
CkXmlW_Dispose(xml1);
CkCertW_Dispose(cert);
CkStringBuilderW_Dispose(sbXml);
CkXmlDSigW_Dispose(verifier);
return;
}
numSigs = CkXmlDSigW_getNumSignatures(verifier);
verifyIdx = 0;
while (verifyIdx < numSigs) {
CkXmlDSigW_putSelector(verifier,verifyIdx);
verified = CkXmlDSigW_VerifySignature(verifier,TRUE);
if (verified != TRUE) {
wprintf(L"%s\n",CkXmlDSigW_lastErrorText(verifier));
CkXmlW_Dispose(xmlToSign);
CkXmlDSigGenW_Dispose(gen);
CkXmlW_Dispose(object1);
CkXmlW_Dispose(xml1);
CkCertW_Dispose(cert);
CkStringBuilderW_Dispose(sbXml);
CkXmlDSigW_Dispose(verifier);
return;
}
verifyIdx = verifyIdx + 1;
}
wprintf(L"All signatures were successfully verified.\n");
CkXmlW_Dispose(xmlToSign);
CkXmlDSigGenW_Dispose(gen);
CkXmlW_Dispose(object1);
CkXmlW_Dispose(xml1);
CkCertW_Dispose(cert);
CkStringBuilderW_Dispose(sbXml);
CkXmlDSigW_Dispose(verifier);
}