[APDFL-6432] Add DigSig RFC3161 TimeStamp Sample

.github/workflows/test-net-framework-samples.yml

@@ -93,7 +93,8 @@ jobs:
               'Other/StreamIO/',
               'Printing/PrintPDF/',
               'Printing/PrintPDFGUI/',
-              'Security/AddDigitalSignature/',
+              'Security/AddDigitalSignatureCMS/',
+              'Security/AddDigitalSignatureRFC3161/',
               'Security/AddRegexRedaction/',
               'Security/Redactions/',
               'Text/AddGlyphs/',

Samples.sln

@@ -180,7 +180,9 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "RegexTextSearch", "Text\Reg
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TextExtract", "Text\TextExtract\TextExtract.csproj", "{11C4A647-3DDA-41A5-855C-E14EDF1BFFDE}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AddDigitalSignature", "Security\AddDigitalSignature\AddDigitalSignature.csproj", "{AB753937-DF3D-4B06-B475-D3B597D32BC5}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AddDigitalSignatureCMS", "Security\AddDigitalSignatureCMS\AddDigitalSignatureCMS.csproj", "{AB753937-DF3D-4B06-B475-D3B597D32BC5}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AddDigitalSignatureRFC3161", "Security\AddDigitalSignatureRFC3161\AddDigitalSignatureRFC3161.csproj", "{74FA984E-AB89-475A-9077-9D612DE12AEC}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -548,6 +550,10 @@ Global
 		{AB753937-DF3D-4B06-B475-D3B597D32BC5}.Debug|x64.Build.0 = Debug|x64
 		{AB753937-DF3D-4B06-B475-D3B597D32BC5}.Release|x64.ActiveCfg = Release|x64
 		{AB753937-DF3D-4B06-B475-D3B597D32BC5}.Release|x64.Build.0 = Release|x64
+		{74FA984E-AB89-475A-9077-9D612DE12AEC}.Debug|x64.ActiveCfg = Debug|x64
+		{74FA984E-AB89-475A-9077-9D612DE12AEC}.Debug|x64.Build.0 = Debug|x64
+		{74FA984E-AB89-475A-9077-9D612DE12AEC}.Release|x64.ActiveCfg = Release|x64
+		{74FA984E-AB89-475A-9077-9D612DE12AEC}.Release|x64.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

Security/AddDigitalSignature/AddDigitalSignature.cs → Security/AddDigitalSignatureCMS/AddDigitalSignatureCMS.cs

@@ -5,26 +5,26 @@
 
 /*
  *
- * This sample program demonstrates the use of AddDigitalSignature.
+ * This sample program demonstrates the use of AddDigitalSignature for CMS signature type.
  *
  * Copyright (c) 2025, Datalogics, Inc. All rights reserved.
  *
  */
-namespace AddDigitalSignature
+namespace AddDigitalSignatureCMS
 {
-    class AddDigitalSignature
+    class AddDigitalSignatureCMS
     {
         static void Main(string[] args)
         {
-            Console.WriteLine("AddDigitalSignature Sample:");
+            Console.WriteLine("AddDigitalSignatureCMS Sample:");
 
             using (new Library())
             {
                 Console.WriteLine("Initialized the library.");
 
                 String sInput = Library.ResourceDirectory + "Sample_Input/SixPages.pdf";
                 String sLogo = Library.ResourceDirectory + "Sample_Input/ducky_alpha.tif";
-                String sOutput = "DigSig-out.pdf";
+                String sOutput = "DigSigCMS-out.pdf";
 
                 String sDERCert = Library.ResourceDirectory + "Sample_Input/Credentials/DER/RSA_certificate.der";
                 String sDERKey = Library.ResourceDirectory + "Sample_Input/Credentials/DER/RSA_privKey.der";
@@ -55,6 +55,10 @@ static void Main(string[] args)
                         sigDoc.SetNonPfxSignerCert(sDERCert, 0, CredentialStorageFmt.OnDisk);
                         sigDoc.SetNonPfxPrivateKey(sDERKey, 0, CredentialStorageFmt.OnDisk);
 
+                        // Set the signature type to be used.
+                        // The available types are defined in the SignatureType enum. Default CMS.
+                        sigDoc.DocSignType = SignatureType.CMS;
+
                         // Setup the signer information
                         // (Logo image is optional)
                         sigDoc.SetSignerInfo(sLogo, 0.5F, "John Doe", "Chicago, IL", "Approval", "Datalogics, Inc.",

Security/AddDigitalSignature/AddDigitalSignature.csproj → Security/AddDigitalSignatureCMS/AddDigitalSignatureCMS.csproj

@@ -6,8 +6,8 @@
     <Platform Condition=" '$(Platform)' == '' ">x64</Platform>
     <ProjectGuid>{AB753937-DF3D-4B06-B475-D3B597D32BC5}</ProjectGuid>
     <OutputType>Exe</OutputType>
-    <RootNamespace>AddDigitalSignature</RootNamespace>
-    <AssemblyName>AddDigitalSignature</AssemblyName>
+    <RootNamespace>AddDigitalSignatureCMS</RootNamespace>
+    <AssemblyName>AddDigitalSignatureCMS</AssemblyName>
     <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
@@ -45,7 +45,7 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="AddDigitalSignature.cs" />
+    <Compile Include="AddDigitalSignatureCMS.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="App.config" />

Security/AddDigitalSignature/AddDigitalSignature.sln → Security/AddDigitalSignatureCMS/AddDigitalSignatureCMS.sln

@@ -2,7 +2,7 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.13.35818.85
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AddDigitalSignature", "AddDigitalSignature.csproj", "{3790CE63-DB43-4F16-8226-BDFEFA25BCDD}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AddDigitalSignatureCMS", "AddDigitalSignatureCMS.csproj", "{3790CE63-DB43-4F16-8226-BDFEFA25BCDD}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution

Security/AddDigitalSignatureRFC3161/AddDigitalSignatureRFC3161.cs

@@ -0,0 +1,64 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Datalogics.PDFL;
+
+/*
+ *
+ * This sample program demonstrates the use of AddDigitalSignature for RFC3161 timestamp signature type.
+ *
+ * Copyright (c) 2025, Datalogics, Inc. All rights reserved.
+ *
+ */
+namespace AddDigitalSignatureRFC3161
+{
+    class AddDigitalSignatureRFC3161
+    {
+        static void Main(string[] args)
+        {
+            Console.WriteLine("AddDigitalSignatureRFC3161 Sample:");
+
+            using (new Library())
+            {
+                Console.WriteLine("Initialized the library.");
+
+                String sInput = Library.ResourceDirectory + "Sample_Input/CreateAcroForm2h.pdf";
+
+                String sOutput = "DigSigRFC3161-out.pdf";
+
+                if (args.Length > 0)
+                    sInput = args[0];
+
+                if (args.Length > 1)
+                    sOutput = args[1];
+
+                Console.WriteLine("Input file: " + sInput);
+                Console.WriteLine("Writing to output: " + sOutput);
+
+                using (Document doc = new Document(sInput))
+                {
+                    using (Datalogics.PDFL.SignDoc sigDoc = new Datalogics.PDFL.SignDoc())
+                    {
+                        // Setup Sign params
+                        sigDoc.FieldID = SignatureFieldID.SearchForFirstUnsignedField;
+
+                        // Set signing attributes
+                        sigDoc.DigestCategory = DigestCategory.Sha256;
+
+                        // Set the signature type to be used, RFC3161/TimeStamp.
+                        // The available types are defined in the SignatureType enum. Default CMS.
+                        sigDoc.DocSignType = SignatureType.RFC3161;
+
+                        // Setup Save params
+                        sigDoc.OutputPath = sOutput;
+
+                        // Finally, sign and save the document
+                        sigDoc.AddDigitalSignature(doc);
+
+                        Console.WriteLine();
+                    }
+                }
+            }
+        }
+    }
+}

Security/AddDigitalSignatureRFC3161/AddDigitalSignatureRFC3161.csproj

@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">x64</Platform>
+    <ProjectGuid>{74FA984E-AB89-475A-9077-9D612DE12AEC}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>AddDigitalSignatureRFC3161</RootNamespace>
+    <AssemblyName>AddDigitalSignatureRFC3161</AssemblyName>
+    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+    <Deterministic>true</Deterministic>
+    <NuGetPackageImportStamp>
+    </NuGetPackageImportStamp>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x64' ">
+    <PlatformTarget>x64</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|x64' ">
+    <PlatformTarget>x64</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="AddDigitalSignatureRFC3161.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="App.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="Adobe.PDF.Library.LM.NETFramework">
+      <Version>18.*</Version>
+    </PackageReference>
+  </ItemGroup>
+  <ItemGroup>
+    <Folder Include="Properties\" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+</Project>

Security/AddDigitalSignatureRFC3161/AddDigitalSignatureRFC3161.sln

@@ -0,0 +1,24 @@
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.13.35818.85
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AddDigitalSignatureRFC3161", "AddDigitalSignatureRFC3161.csproj", "{74FA984E-AB89-475A-9077-9D612DE12AEC}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		Release|x64 = Release|x64
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{74FA984E-AB89-475A-9077-9D612DE12AEC}.Debug|x64.ActiveCfg = Debug|x64
+		{74FA984E-AB89-475A-9077-9D612DE12AEC}.Debug|x64.Build.0 = Debug|x64
+		{74FA984E-AB89-475A-9077-9D612DE12AEC}.Release|x64.ActiveCfg = Release|x64
+		{74FA984E-AB89-475A-9077-9D612DE12AEC}.Release|x64.Build.0 = Release|x64
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {08DC1B85-4756-4272-B76A-197A8E79394D}
+	EndGlobalSection
+EndGlobal

Security/AddDigitalSignatureRFC3161/App.config

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
+    </startup>
+</configuration>

Security/README.md

@@ -1,6 +1,9 @@
-## ***AddDigitalSignature***
+## ***AddDigitalSignatureCMS***
 Demonstrates adding a digital signature with a logo to a PDF document.
 
+## ***AddDigitalSignatureRFC3161***
+Demonstrates adding an RFC3161 timestamp signature to a PDF document.
+
 ## ***AddRegexRedaction***
 Uses a regular expression to find a specified phrase of text in a PDF document and then redacts that text.