PDFEncryptionMode Enumeration

Summary

Specifies the PDF encryption mode.

Syntax

C++/CLI

Java

Python

[SerializableAttribute()] 
public enum PDFEncryptionMode

public final class PDFEncryptionMode 
    extends java.lang.Enum<PDFEncryptionMode>

[SerializableAttribute()] 
public enum class PDFEncryptionMode

class PDFEncryptionMode(Enum): 
   RC40Bit = 0 
   RC128Bit = 1 
   None = 2

Members

Value	Member	Description
0	RC40Bit	Use RC 40 bit mode
1	RC128Bit	Use RC 128 bit mode
2	None	No encryption

Remarks

The PDFEncryptionMode enumeration is used as the type for the PDFSecurityOptions.EncryptionMode property. It determines the encryption mode to use when creating or updating PDF files.

The password to use with the encryption must be set in the PDFSecurityOptions.UserPassword.

Example

using Leadtools.WinForms; 
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Controls; 
using Leadtools.Drawing; 
using Leadtools.ImageProcessing; 
using Leadtools.Pdf; 
using Leadtools.Svg; 
 
 
/// This example will encrypt a PDF file with both a user password and an owner password and restrict printing. 
 
public void PDFFileSecurityOptionsExample() 
{ 
   string sourceFileName = Path.Combine(LEAD_VARS.ImagesDir, @"Leadtools.pdf"); 
   string destinationFileName = Path.Combine(LEAD_VARS.ImagesDir, @"LEAD_EncryptedNoPrint.pdf"); 
 
   PDFFile pdfFile = new PDFFile(sourceFileName); 
 
   // Set the security options 
   pdfFile.SecurityOptions = new PDFSecurityOptions(); 
   pdfFile.SecurityOptions.UserPassword = "LEAD"; 
   pdfFile.SecurityOptions.OwnerPassword = "LEAD_SECRET"; 
   pdfFile.SecurityOptions.PrintEnabled = false; 
   pdfFile.SecurityOptions.HighQualityPrintEnabled = false; 
   pdfFile.SecurityOptions.EncryptionMode = PDFEncryptionMode.RC128Bit; 
 
   // Encrypt the file by saving it to the destination file 
   pdfFile.Convert(1, -1, destinationFileName); 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images"; 
}

Requirements

Target Platforms

Reference

Leadtools.Pdf Namespace

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Help Version 22.0.2023.7.10

Leadtools.Pdf Assembly

Introduction

Getting Started

Namespaces

Leadtools.Pdf Namespace

Assemblies