EncryptionStrength

Document properties, Security and Signatures

Description

If the selected document has been encrypted this function returns the encryption strength. This is the length of the key used to encrypt the contents of the document.

Syntax

Delphi

function TDebenuPDFLibrary1811.EncryptionStrength: Integer;

ActiveX

Function DebenuPDFLibrary1811.PDFLibrary::EncryptionStrength As Long

DLL

int DPLEncryptionStrength(int InstanceID)

Return values

0	The selected document is not encrypted
40	The document has been encrypted with 40-bit encryption (Adobe Acrobat 3.x and 4.x)
128	The document has been encrypted with 128-bit encryption (Adobe Acrobat 5.x)
256	The document has been encrypted with 256-bit encryption (Acrobat 9 or Acrobat 10). Use the SecurityInfo function to determine which version of encryption was used.