Use128Bit Property

Set to True to use 128 bit encryption with full permissions capability. Set to False to use lessor 40 bit encryption with limited permissions. The PdfPermissions.AllowFillIn, PdfPermissions.AllowAccessibleReaders, and PdfPermissions.AllowAssembly permissions require this value to be true.

Syntax

Visual Basic
C#

'Declaration
 
Public Property Use128Bit As Boolean

'Usage
 
Dim instance As PdfSecurity
Dim value As Boolean
 
instance.Use128Bit = value
 
value = instance.Use128Bit

public bool Use128Bit {get; set;}

Remarks

The default value is true.

Requirements

Target Platforms: Windows 2000 Professional (SP4), Windows 2000 Server, Windows 2003 Server (SP1), Windows Server 2012 R2, Windows 2008, Windows XP (SP2), Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10

Reference

PdfSecurity Class
PdfSecurity Members