Unicode C++
Unicode C++
XML-DSig Add Object Reference with Transforms Specified Explicitly
Demonstrates how to use the new AddObjectRef2 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;
// Build the following XML to be signed:
// <?xml version="1.0" encoding="utf-8"?>
// <InitUpload xmlns="http://e-dokumenty.mf.gov.pl">
// <DocumentType>JPK</DocumentType>
// <Version>01.02.01.20160617</Version>
// <EncryptionKey algorithm="RSA" encoding="Base64" mode="ECB" padding="PKCS#1">xxxx</EncryptionKey>
// <DocumentList>
// <Document>
// <FormCode schemaVersion="1-1" systemCode="JPK_VAT (3)">JPK_VAT</FormCode>
// <FileName>JPK_VAT_3_v1-1_20181201.xml</FileName>
// <ContentLength>8736</ContentLength>
// <HashValue algorithm="SHA-256" encoding="Base64">JEDI1pItwh6dj/Xx1uts/x61qnjZ4DLHpkZMhmf1oKQ=</HashValue>
// <FileSignatureList filesNumber="1">
// <Packaging>
// <SplitZip mode="zip" type="split"/>
// </Packaging>
// <Encryption>
// <AES block="16" mode="CBC" padding="PKCS#7" size="256">
// <IV bytes="16" encoding="Base64">z64oN9zXHt1+S3XACRSCYw==</IV>
// </AES>
// </Encryption>
// <FileSignature>
// <OrdinalNumber>1</OrdinalNumber>
// <FileName>JPK_VAT_3_v1-1_20181201-000.xml.zip.aes</FileName>
// <ContentLength>16</ContentLength>
// <HashValue algorithm="MD5" encoding="Base64">5MX0q1935fvMjLFV7E1yDw==</HashValue>
// </FileSignature>
// </FileSignatureList>
// </Document>
// </DocumentList>
// </InitUpload>
// Use this online tool to generate code from sample XML:
// Generate Code to Create XML
CkXmlW xmlToSign;
xmlToSign.put_Tag(L"InitUpload");
xmlToSign.AddAttribute(L"xmlns",L"http://e-dokumenty.mf.gov.pl");
xmlToSign.UpdateChildContent(L"DocumentType",L"JPK");
xmlToSign.UpdateChildContent(L"Version",L"01.02.01.20160617");
xmlToSign.UpdateAttrAt(L"EncryptionKey",true,L"algorithm",L"RSA");
xmlToSign.UpdateAttrAt(L"EncryptionKey",true,L"encoding",L"Base64");
xmlToSign.UpdateAttrAt(L"EncryptionKey",true,L"mode",L"ECB");
xmlToSign.UpdateAttrAt(L"EncryptionKey",true,L"padding",L"PKCS#1");
xmlToSign.UpdateChildContent(L"EncryptionKey",L"xxxx");
xmlToSign.UpdateAttrAt(L"DocumentList|Document|FormCode",true,L"schemaVersion",L"1-1");
xmlToSign.UpdateAttrAt(L"DocumentList|Document|FormCode",true,L"systemCode",L"JPK_VAT (3)");
xmlToSign.UpdateChildContent(L"DocumentList|Document|FormCode",L"JPK_VAT");
xmlToSign.UpdateChildContent(L"DocumentList|Document|FileName",L"JPK_VAT_3_v1-1_20181201.xml");
xmlToSign.UpdateChildContent(L"DocumentList|Document|ContentLength",L"8736");
xmlToSign.UpdateAttrAt(L"DocumentList|Document|HashValue",true,L"algorithm",L"SHA-256");
xmlToSign.UpdateAttrAt(L"DocumentList|Document|HashValue",true,L"encoding",L"Base64");
xmlToSign.UpdateChildContent(L"DocumentList|Document|HashValue",L"JEDI1pItwh6dj/Xx1uts/x61qnjZ4DLHpkZMhmf1oKQ=");
xmlToSign.UpdateAttrAt(L"DocumentList|Document|FileSignatureList",true,L"filesNumber",L"1");
xmlToSign.UpdateAttrAt(L"DocumentList|Document|FileSignatureList|Packaging|SplitZip",true,L"mode",L"zip");
xmlToSign.UpdateAttrAt(L"DocumentList|Document|FileSignatureList|Packaging|SplitZip",true,L"type",L"split");
xmlToSign.UpdateAttrAt(L"DocumentList|Document|FileSignatureList|Encryption|AES",true,L"block",L"16");
xmlToSign.UpdateAttrAt(L"DocumentList|Document|FileSignatureList|Encryption|AES",true,L"mode",L"CBC");
xmlToSign.UpdateAttrAt(L"DocumentList|Document|FileSignatureList|Encryption|AES",true,L"padding",L"PKCS#7");
xmlToSign.UpdateAttrAt(L"DocumentList|Document|FileSignatureList|Encryption|AES",true,L"size",L"256");
xmlToSign.UpdateAttrAt(L"DocumentList|Document|FileSignatureList|Encryption|AES|IV",true,L"bytes",L"16");
xmlToSign.UpdateAttrAt(L"DocumentList|Document|FileSignatureList|Encryption|AES|IV",true,L"encoding",L"Base64");
xmlToSign.UpdateChildContent(L"DocumentList|Document|FileSignatureList|Encryption|AES|IV",L"z64oN9zXHt1+S3XACRSCYw==");
xmlToSign.UpdateChildContent(L"DocumentList|Document|FileSignatureList|FileSignature|OrdinalNumber",L"1");
xmlToSign.UpdateChildContent(L"DocumentList|Document|FileSignatureList|FileSignature|FileName",L"JPK_VAT_3_v1-1_20181201-000.xml.zip.aes");
xmlToSign.UpdateChildContent(L"DocumentList|Document|FileSignatureList|FileSignature|ContentLength",L"16");
xmlToSign.UpdateAttrAt(L"DocumentList|Document|FileSignatureList|FileSignature|HashValue",true,L"algorithm",L"MD5");
xmlToSign.UpdateAttrAt(L"DocumentList|Document|FileSignatureList|FileSignature|HashValue",true,L"encoding",L"Base64");
xmlToSign.UpdateChildContent(L"DocumentList|Document|FileSignatureList|FileSignature|HashValue",L"5MX0q1935fvMjLFV7E1yDw==");
CkXmlDSigGenW gen;
gen.put_SigLocation(L"InitUpload");
gen.put_SigLocationMod(0);
gen.put_SigId(L"id-1234");
gen.put_SigNamespacePrefix(L"ds");
gen.put_SigNamespaceUri(L"http://www.w3.org/2000/09/xmldsig#");
gen.put_SignedInfoCanonAlg(L"EXCL_C14N");
gen.put_SignedInfoDigestMethod(L"sha256");
// Create an Object to be added to the Signature.
// <xades:QualifyingProperties Target="#id-1234" xmlns:xades="http://uri.etsi.org/01903/v1.3.2#">
// <xades:SignedProperties Id="xades-id-1234">
// <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="#r-id-1">
// <xades:MimeType>text/xml</xades:MimeType>
// </xades:DataObjectFormat>
// </xades:SignedDataObjectProperties>
// </xades:SignedProperties>
// </xades:QualifyingProperties>
CkXmlW object1;
object1.put_Tag(L"xades:QualifyingProperties");
object1.AddAttribute(L"xmlns:xades",L"http://uri.etsi.org/01903/v1.3.2#");
object1.AddAttribute(L"Target",L"#id-1234");
object1.UpdateAttrAt(L"xades:SignedProperties",true,L"Id",L"xades-id-1234");
// 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.UpdateChildContent(L"xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningTime",L"TO BE GENERATED BY CHILKAT");
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"#r-id-1");
object1.UpdateChildContent(L"xades:SignedProperties|xades:SignedDataObjectProperties|xades:DataObjectFormat|xades:MimeType",L"text/xml");
gen.AddObject(L"",object1.getXml(),L"",L"");
// -------- Reference 1 --------
// Build the following Transforms fragment:
// <ds:Transforms>
// <ds:Transform Algorithm="http://www.w3.org/TR/1999/REC-xpath-19991116">
// <ds:XPath>not(ancestor-or-self::ds:Signature)</ds:XPath>
// </ds:Transform>
// <ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/>
// </ds:Transforms>
CkXmlW xml1;
xml1.put_Tag(L"ds:Transforms");
xml1.UpdateAttrAt(L"ds:Transform",true,L"Algorithm",L"http://www.w3.org/TR/1999/REC-xpath-19991116");
xml1.UpdateChildContent(L"ds:Transform|ds:XPath",L"not(ancestor-or-self::ds:Signature)");
xml1.UpdateAttrAt(L"ds:Transform[1]",true,L"Algorithm",L"http://www.w3.org/2001/10/xml-exc-c14n#");
gen.AddSameDocRef2(L"",L"sha256",xml1,L"");
gen.SetRefIdAttr(L"",L"r-id-1");
// -------- Reference 2 --------
// Build the following Transforms fragment:
// <ds:Transforms>
// <ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/>
// </ds:Transforms>
CkXmlW xml2;
xml2.put_Tag(L"ds:Transforms");
xml2.UpdateAttrAt(L"ds:Transform",true,L"Algorithm",L"http://www.w3.org/2001/10/xml-exc-c14n#");
gen.AddObjectRef2(L"xades-id-1234",L"sha256",xml2,L"http://uri.etsi.org/01903#SignedProperties");
// 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");
gen.put_X509Type(L"Certificate");
// 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");
}