C
C
Create XAdES using Smart Card or USB Token
See more XAdES Examples
Demonstrates how to create an XAdES signed XML document using a certificate located on a smartcard or USB token.Chilkat C Downloads
#include <C_CkXml.h>
#include <C_CkXmlDSigGen.h>
#include <C_CkCert.h>
#include <C_CkStringBuilder.h>
#include <C_CkXmlDSig.h>
void ChilkatSample(void)
{
BOOL success;
HCkXml xmlToSign;
HCkXmlDSigGen gen;
HCkXml object1;
HCkCert cert;
HCkStringBuilder sbXml;
HCkXmlDSig verifier;
BOOL verified;
success = FALSE;
// Load the XML to be signed.
xmlToSign = CkXml_Create();
success = CkXml_LoadXmlFile(xmlToSign,"qa_data/fattura_electronica/docToSign.xml");
if (success == FALSE) {
printf("%s\n",CkXml_lastErrorText(xmlToSign));
CkXml_Dispose(xmlToSign);
return;
}
gen = CkXmlDSigGen_Create();
CkXmlDSigGen_putSigLocation(gen,"p:FatturaElettronica");
CkXmlDSigGen_putSigId(gen,"xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504");
CkXmlDSigGen_putSigNamespacePrefix(gen,"ds");
CkXmlDSigGen_putSigNamespaceUri(gen,"http://www.w3.org/2000/09/xmldsig#");
CkXmlDSigGen_putSigValueId(gen,"xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-sigvalue");
CkXmlDSigGen_putSignedInfoCanonAlg(gen,"C14N");
CkXmlDSigGen_putSignedInfoDigestMethod(gen,"sha256");
// Create an Object to be added to the Signature.
// Note: Chilkat will automatically populate the strings indicated by "TO BE GENERATED BY CHILKAT" with actual/correct values
// when the XML is signed.
object1 = CkXml_Create();
CkXml_putTag(object1,"xades:QualifyingProperties");
CkXml_AddAttribute(object1,"xmlns:xades","http://uri.etsi.org/01903/v1.3.2#");
CkXml_AddAttribute(object1,"xmlns:xades141","http://uri.etsi.org/01903/v1.4.1#");
CkXml_AddAttribute(object1,"Target","#xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504");
CkXml_UpdateAttrAt(object1,"xades:SignedProperties",TRUE,"Id","xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-signedprops");
CkXml_UpdateChildContent(object1,"xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningTime","TO BE GENERATED BY CHILKAT");
CkXml_UpdateAttrAt(object1,"xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestMethod",TRUE,"Algorithm","http://www.w3.org/2001/04/xmlenc#sha256");
CkXml_UpdateChildContent(object1,"xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:CertDigest|ds:DigestValue","TO BE GENERATED BY CHILKAT");
CkXml_UpdateChildContent(object1,"xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificateV2|xades:Cert|xades:IssuerSerialV2","TO BE GENERATED BY CHILKAT");
CkXmlDSigGen_AddObject(gen,"",CkXml_getXml(object1),"","");
// -------- Reference 1 --------
CkXmlDSigGen_putKeyInfoId(gen,"xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-keyinfo");
CkXmlDSigGen_AddSameDocRef(gen,"xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-keyinfo","sha256","","","");
// -------- Reference 2 --------
CkXmlDSigGen_AddSameDocRef(gen,"","sha256","","","");
CkXmlDSigGen_SetRefIdAttr(gen,"","xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-ref0");
// -------- Reference 3 --------
CkXmlDSigGen_AddObjectRef(gen,"xmldsig-6f4b994a-7191-4bb1-ab3c-17549515b504-signedprops","sha256","","","http://uri.etsi.org/01903#SignedProperties");
// ----------------------------------------------------------------
// Load a certificate that has been pre-installed on the Windows system
// This includes certificates on smartcards and USB tokens
cert = CkCert_Create();
// You may provide the PIN here..
CkCert_putSmartCardPin(cert,"000000");
// Load the certificate on the smartcard currently in the reader (or on the USB token).
// Pass an empty string to allow Chilkat to automatically choose the CSP (Cryptographi Service Provider).
// See Load Certificate on Smartcard for information about explicitly selecting a particular CSP.
success = CkCert_LoadFromSmartcard(cert,"");
if (success == FALSE) {
printf("%s\n",CkCert_lastErrorText(cert));
CkXml_Dispose(xmlToSign);
CkXmlDSigGen_Dispose(gen);
CkXml_Dispose(object1);
CkCert_Dispose(cert);
return;
}
CkXmlDSigGen_SetX509Cert(gen,cert,TRUE);
CkXmlDSigGen_putKeyInfoType(gen,"X509Data");
CkXmlDSigGen_putX509Type(gen,"Certificate");
// Load XML to be signed...
sbXml = CkStringBuilder_Create();
CkXml_GetXmlSb(xmlToSign,sbXml);
CkXmlDSigGen_putBehaviors(gen,"IndentedSignature,ForceAddEnvelopedSignatureTransform");
// Sign the XML...
success = CkXmlDSigGen_CreateXmlDSigSb(gen,sbXml);
if (success == FALSE) {
printf("%s\n",CkXmlDSigGen_lastErrorText(gen));
CkXml_Dispose(xmlToSign);
CkXmlDSigGen_Dispose(gen);
CkXml_Dispose(object1);
CkCert_Dispose(cert);
CkStringBuilder_Dispose(sbXml);
return;
}
// Save the signed XMl to a file.
success = CkStringBuilder_WriteFile(sbXml,"qa_output/signedXml.xml","utf-8",FALSE);
printf("%s\n",CkStringBuilder_getAsString(sbXml));
// ----------------------------------------
// Verify the signature we just produced...
verifier = CkXmlDSig_Create();
success = CkXmlDSig_LoadSignatureSb(verifier,sbXml);
if (success == FALSE) {
printf("%s\n",CkXmlDSig_lastErrorText(verifier));
CkXml_Dispose(xmlToSign);
CkXmlDSigGen_Dispose(gen);
CkXml_Dispose(object1);
CkCert_Dispose(cert);
CkStringBuilder_Dispose(sbXml);
CkXmlDSig_Dispose(verifier);
return;
}
verified = CkXmlDSig_VerifySignature(verifier,TRUE);
if (verified != TRUE) {
printf("%s\n",CkXmlDSig_lastErrorText(verifier));
CkXml_Dispose(xmlToSign);
CkXmlDSigGen_Dispose(gen);
CkXml_Dispose(object1);
CkCert_Dispose(cert);
CkStringBuilder_Dispose(sbXml);
CkXmlDSig_Dispose(verifier);
return;
}
printf("This signature was successfully verified.\n");
CkXml_Dispose(xmlToSign);
CkXmlDSigGen_Dispose(gen);
CkXml_Dispose(object1);
CkCert_Dispose(cert);
CkStringBuilder_Dispose(sbXml);
CkXmlDSig_Dispose(verifier);
}