RC4128Security

Namespace:

ceTe.DynamicPDF.Cryptography

Assemblies:

DynamicPDF.CoreSuite.dll

Represents RC4 128 bit PDF document security.

public class RC4128Security : Security

Public Class RC4128Security
    Inherits Security

Inheritance: ObjectSecurityRC4128Security

Licensing Info

This class is a full DynamicPDF Core Suite feature. One of the following is required for non-evaluation usage:

• An active DynamicPDF Ultimate Subscription
• An active DynamicPDF Professional or Professional Plus Subscription with DynamicPDF Core Suite selected.
• A DynamicPDF Core Suite for .NET v12.X Developer License.

Examples

Imports System
Imports ceTe.DynamicPDF
Imports ceTe.DynamicPDF.PageElements
Imports ceTe.DynamicPDF.Cryptography
     
Module MyModule
     		
    Sub Main()
     
        ' Create a PDF Document
        Dim MyDocument As Document = New Document 
     
        ' Create a Page and add it to the document
        Dim MyPage As Page = New Page
        MyDocument.Pages.Add(MyPage)
     
        ' Create a RC4 128 bit security object
        Dim security As RC4128Security = New RC4128Security("owner", "user")
     
        ' Set these properties to make form fields read only
        security.AllowFormFilling = False
        security.AllowEdit = False
        security.AllowUpdateAnnotsAndFields = False
     
        ' Add the security object to the document
        MyDocument.Security = security
     
        ' Create and display a label as a reference
        Dim text As String = "This document has been encrypted with RC4 128 bit encryption."
        MyPage.Elements.Add(New Label(text, 50, 50, 400, 100, Font.Helvetica, 18))
     
        ' Save the PDF
        MyDocument.Draw("C:\MyDocument.pdf")
     
    End Sub
End Module

using System;
using ceTe.DynamicPDF;
using ceTe.DynamicPDF.PageElements;
using ceTe.DynamicPDF.Cryptography;

public class Example
{
    public static void CreatePDF(string outputPath)
    {
        // Create a PDF Document
        Document document = new Document();

        // Create a Page and add it to the document
        Page page = new Page();
        document.Pages.Add( page );

        // Create a RC4 128 bit security object
        RC4128Security security = new RC4128Security( "owner", "user" );

        // Set these properties to make form fields read only
        security.AllowFormFilling = false;
        security.AllowEdit = false;
        security.AllowUpdateAnnotsAndFields = false;

        // Add the security object to the document
        document.Security = security;

        // Create and display a label as a reference
        string text = "This document has been encrypted with RC4 128 bit encryption.";
        page.Elements.Add( new Label( text, 50, 50, 400, 100, Font.Helvetica, 18 ) );

        // Save the PDF
        document.Draw( outputPath );
    }
}

Remarks

RC4 128 bit PDF security, with UseCryptFilter property set to false is compatible with PDF version 1.4 or higher and can be read with Adobe Acrobat Reader version 5 or higher. By default UseCryptFilter property is false. RC4 128 bit PDF security with crypt filter is compatible with PDF version 1.5 or higher and can be read with Adobe Acrobat Reader version 6 and higher. Older readers will not be able to read document encrypted with this security. For more details on RC4 128 bit security take a look at the Security topic.

Constructors

Properties

Methods

See Also