EncryptionOptions(String, String) Constructor

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

Namespace: DevExpress.Docs.Pdf

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

Declaration

C#

public EncryptionOptions(
    string ownerPassword,
    string userPassword
)

VB.NET

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#

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 }
    );
}

VB.NET

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