PdfEncryptionDetails.UserPassword property

Gets or sets the User password.

public string UserPassword { get; set; }


Opening the document with the correct user password (or opening a document that does not have a user password) allows additional operations to be performed according to the user access permissions specified in the document’s encryption dictionary.


Shows how to use specify PDF encryption details while saving a project as PDF file.

var project = new Project(DataDir + "CreateProject2.mpp");

// lets specify encryption details  
var encryptionDetails = new PdfEncryptionDetails(
    // specify user password
    // specify owner password
    // specify encryption algorithm

// specify permissions
encryptionDetails.Permissions = PdfPermissions.ModifyContents | PdfPermissions.ModifyAnnotations;

// show user and owner passwords
Console.WriteLine("User Password: " + encryptionDetails.UserPassword);
Console.WriteLine("Owner Password: " + encryptionDetails.OwnerPassword);
// show encryption mode: RC4_40 or RC4_128
Console.WriteLine("Encryption Algorithm: " + encryptionDetails.EncryptionAlgorithm);
Console.WriteLine("Permissions: " + encryptionDetails.Permissions);

var options = new PdfSaveOptions
    EncryptionDetails = encryptionDetails

// save the project with specified encryption details
project.Save(OutDir + "WorkWithPdfEncryptionDetails_out.pdf", options);

See Also