EncryptionOptions(String, String) Constructor

Initializes a new instance of the EncryptionOptions class with specified settings.

Assembly : DevExpress.Docs.Core.v25.2.dll

NuGet Package : DevExpress.Docs.Core

Declaration

C#
VB.NET

csharp

public EncryptionOptions(
    string ownerPassword,
    string userPassword
)

Public Sub New(
    ownerPassword As String,
    userPassword As String
)

Parameters

Name	Type	Description
ownerPassword	String

The password that grants full access to the document and allows you to modify security settings. If you do not specify this parameter, an exception is thrown.

| | userPassword | String |

The password that grants limited access according to the document’s permission settings.

Example

The following example protects a PDF document using both the owner and user passwords.

View Example

C#
VB.NET

csharp

using DevExpress.Pdf;

using (PdfDocumentProcessor pdfDocumentProcessor = new PdfDocumentProcessor()) {
    // Load a PDF document.
    pdfDocumentProcessor.LoadDocument(@"..\..\Demo.pdf");

    // Initialize encryption options with owner and user passwords.
    PdfEncryptionOptions encryptionOptions = new PdfEncryptionOptions(
        ownerPassword: "OwnerPassword",
        userPassword: "UserPassword"
    );

    // Specify printing, data extraction, modification, and interactivity permissions.
    encryptionOptions.PrintingPermissions = PdfDocumentPrintingPermissions.Allowed;
    encryptionOptions.DataExtractionPermissions = PdfDocumentDataExtractionPermissions.NotAllowed;
    encryptionOptions.ModificationPermissions = PdfDocumentModificationPermissions.DocumentAssembling;
    encryptionOptions.InteractivityPermissions = PdfDocumentInteractivityPermissions.Allowed;

    // Specify the 256-bit AES encryption algorithm.
    encryptionOptions.Algorithm = PdfEncryptionAlgorithm.AES256;

    // Save the protected document with encryption settings.
    pdfDocumentProcessor.SaveDocument(
        @"..\..\ProtectedDocument.pdf",
        new PdfSaveOptions() { EncryptionOptions = encryptionOptions }
    );
}

Imports DevExpress.Pdf

Using pdfDocumentProcessor As New PdfDocumentProcessor()
    ' Load a PDF document.
    pdfDocumentProcessor.LoadDocument("..\..\Demo.pdf")

    ' Initialize encryption options with owner and user passwords.
    Dim encryptionOptions As New PdfEncryptionOptions(
        ownerPassword:="OwnerPassword",
        userPassword:="UserPassword"
    )

    ' Specify printing, data extraction, modification, and interactivity permissions.
    encryptionOptions.PrintingPermissions = PdfDocumentPrintingPermissions.Allowed
    encryptionOptions.DataExtractionPermissions = PdfDocumentDataExtractionPermissions.NotAllowed
    encryptionOptions.ModificationPermissions = PdfDocumentModificationPermissions.DocumentAssembling
    encryptionOptions.InteractivityPermissions = PdfDocumentInteractivityPermissions.Allowed

    ' Specify the 256-bit AES encryption algorithm.
    encryptionOptions.Algorithm = PdfEncryptionAlgorithm.AES256

    ' Save the protected document with encryption settings.
    pdfDocumentProcessor.SaveDocument(
        "..\..\ProtectedDocument.pdf",
        New PdfSaveOptions() With {.EncryptionOptions = encryptionOptions}
    )
End Using