Chilkat HOME .NET Core C# Android™ AutoIt C C# C++ Chilkat2-Python CkPython Classic ASP DataFlex Delphi ActiveX Delphi DLL Go Java Lianja Mono C# Node.js Objective-C PHP ActiveX PHP Extension Perl PowerBuilder PowerShell PureBasic Ruby SQL Server Swift 2 Swift 3,4,5... Tcl Unicode C Unicode C++ VB.NET VBScript Visual Basic 6.0 Visual FoxPro Xojo Plugin
(Unicode C) Calculate HRMC IRMarkDemonstrates how to calculate an IRmark for an HMRC GovTalkMessage XML document.
#include <C_CkXmlW.h> #include <C_CkXmlDSigW.h> #include <C_CkCrypt2W.h> void ChilkatSample(void) { HCkXmlW xml; HCkXmlDSigW xdsig; BOOL withComments; const wchar_t *canonXml; HCkCrypt2W crypt; const wchar_t *irmark; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // First build a sample (but incomplete) GovTalkMessage. // You can replace this code with a call to LoadXml or LoadXmlFile.. // // Note: The online tool at https://tools.chilkat.io/xmlCreate.cshtml // can be used to generate XML code that creates a given XML document. xml = CkXmlW_Create(); CkXmlW_putTag(xml,L"GovTalkMessage"); CkXmlW_AddAttribute(xml,L"xmlns",L"http://www.govtalk.gov.uk/CM/envelope"); CkXmlW_UpdateAttrAt(xml,L"Body|Message",TRUE,L"xmlns",L"urn:g3.ge:dea:call:SendDocument:v1"); CkXmlW_UpdateChildContent(xml,L"Body|Message",L"................"); // This is the XML created: // <?xml version="1.0" encoding="utf-8" ?> // <GovTalkMessage xmlns="http://www.govtalk.gov.uk/CM/envelope"> // <Body> // <Message xmlns="urn:g3.ge:dea:call:SendDocument:v1">................</Message> // </Body> // </GovTalkMessage> wprintf(L"%s\n",CkXmlW_getXml(xml)); // Canonicalize the XML (using C14N) xdsig = CkXmlDSigW_Create(); withComments = FALSE; canonXml = CkXmlDSigW_canonicalizeXml(xdsig,CkXmlW_getXml(xml),L"C14N",withComments); // Return the base64 SHA-1 HASH of the canonical XML. crypt = CkCrypt2W_Create(); CkCrypt2W_putHashAlgorithm(crypt,L"sha1"); CkCrypt2W_putEncodingMode(crypt,L"base64"); irmark = CkCrypt2W_hashStringENC(crypt,canonXml); wprintf(L"IRMark = %s\n",irmark); CkXmlW_Dispose(xml); CkXmlDSigW_Dispose(xdsig); CkCrypt2W_Dispose(crypt); } |
© 2000-2024 Chilkat Software, Inc. All Rights Reserved.