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
(VBScript) Add a Document Timestamp Signature to an already-signed PDFSee more PDF Signatures ExamplesDemonstrates how to add a document timestamp signature to an already-signed PDF. Note: This example requires Chilkat v9.5.0.99 or greater.
Dim fso, outFile Set fso = CreateObject("Scripting.FileSystemObject") Set outFile = fso.CreateTextFile("output.txt", True) ' This example requires the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. set pdf = CreateObject("Chilkat_9_5_0.Pdf") ' Load the PDF that has already been signed. success = pdf.LoadFile("qa_data/pdf/helloWorld_signed.pdf") If (success = 0) Then outFile.WriteLine(pdf.LastErrorText) WScript.Quit End If set json = CreateObject("Chilkat_9_5_0.JsonObject") success = json.UpdateBool("invisibleSignature",1) success = json.UpdateString("subFilter","/ETSI.RFC3161") success = json.UpdateBool("timestampToken.enabled",1) ' In this example, we'll use a free TSA server (timestamp.digicert.com), but you may want to use your own timestamp authority server. success = json.UpdateString("timestampToken.tsaUrl","http://timestamp.digicert.com") ' If the timestamp server requires a username/password, do the following. Otherwise omit the following few lines of code. success = json.UpdateString("timestampToken.tsaUsername","the_tsa_username") success = json.UpdateString("timestampToken.tsaPassword","the_tsa_password") ' When requesting the timestamp token, ask the server to include its certificate in the timestamp token response. ' This allows for the timestamp server's certificate to be included in the LTV validation (i.e. if the timestamp server ' has an OCSP URL, then Chilkat will also do the OCSP request for the timestamp server's certificate.) success = json.UpdateBool("timestampToken.requestTsaCert",1) success = pdf.SignPdf(json,"c:/temp/qa_output/helloWorld_signed_2.pdf") If (success = 0) Then outFile.WriteLine(pdf.LastErrorText) WScript.Quit End If outFile.WriteLine("Successfully added a Document Timestamp Signature to the PDF") outFile.Close |
© 2000-2024 Chilkat Software, Inc. All Rights Reserved.