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PdfEncryptionDetailsOwnerPassword Property

Specifies the owner password for the encrypted PDF document.

Namespace: SautinSoft.Document
Assembly: SautinSoft.Document (in SautinSoft.Document.dll) Version: 2025.4.25
Syntax
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public string OwnerPassword { get; set; }

Property Value

String
Remarks

The owner password allows the user to open an encrypted PDF document without any access restrictions specified in Permissions.

The owner password cannot be the same as the user password. If you don't specify an owner password, then the system will generate a random password when generating the PDF document.

Example

See Developer Guide: Create and secure a PDF document by password

Create and secure a PDF document by password. Also set the permissions for the document using C#
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using System;
using SautinSoft.Document;
using SautinSoft.Document.Drawing;
using System.IO;
using System.Linq;

namespace Example
{
    class Program
    {
        static void Main(string[] args)
        {
            // Get your free trial key here:   
            // https://sautinsoft.com/start-for-free/

            SecureDocument();
        }

        /// <summary>
        /// Create and secure a PDF document by password. Also set the permissions for the document.
        /// </summary>
        /// <remarks>
        /// Details: https://www.sautinsoft.com/products/document/help/net/developer-guide/security-options-net-csharp-vb.php
        /// </remarks>
        public static void SecureDocument()
        {
            string filePath = @"ProtectedDocument.pdf";

            DocumentCore dc = new DocumentCore();

            // Let's create a simple document.
            dc.Content.End.Insert("Hello World!!!", new CharacterFormat() { FontName = "Verdana", Size = 65.5f, FontColor = Color.Orange });

            PdfSaveOptions so = new PdfSaveOptions();
            // Password Protection
            so.EncryptionDetails.UserPassword = "12345";
            // EncryptionAlgorithm
            so.EncryptionDetails.EncryptionAlgorithm = PdfEncryptionAlgorithm.RC4_128;
            //Permissions: Content Copying, Commenting, Printing, Changing the Document, filing of form fildes etc
            //Printing: Allowed
            so.EncryptionDetails.Permissions = PdfPermissions.Printing;

            // Save a document as the PDF file with Security Options.
            dc.Save(filePath, so);

            // Open the result for demonstration purposes.
            System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(filePath) { UseShellExecute = true });
        }
    }
}
Create and secure a PDF document by password. Also set the permissions for the document using VB.Net
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Imports System
Imports System.IO
Imports SautinSoft.Document

Module Sample
    Sub Main()
        SecureDocument()
    End Sub
    ''' Get your free trial key here:   
    ''' https://sautinsoft.com/start-for-free/
    ''' <summary>
    ''' Create and secure a PDF document by password. Also set the permissions for the document.
    ''' </summary>
    ''' <remarks>
    ''' Details: https://www.sautinsoft.com/products/document/help/net/developer-guide/security-options-net-csharp-vb.php
    ''' </remarks>
    Sub SecureDocument()
        Dim filePath As String = "ProtectedDocument.pdf"

        Dim dc As New DocumentCore()

        ' Let's create a simple document.
        dc.Content.End.Insert("Hello World!!!", New CharacterFormat() With {
                .FontName = "Verdana",
                .Size = 65.5F,
                .FontColor = Color.Orange
            })

        Dim so As New PdfSaveOptions()
        ' Password Protection
        so.EncryptionDetails.UserPassword = "12345"
        ' EncryptionAlgorithm
        so.EncryptionDetails.EncryptionAlgorithm = PdfEncryptionAlgorithm.RC4_128
        'Permissions: Content Copying, Commenting, Printing, Changing the Document, filing of form fildes etc
        'Printing: Allowed
        so.EncryptionDetails.Permissions = PdfPermissions.Printing

        ' Save a document as the PDF file with Security Options.
        dc.Save(filePath, so)

        ' Open the result for demonstration purposes.
        System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(filePath) With {.UseShellExecute = True})
    End Sub
End Module
See Also