Hello,

I thought that PdfReader#getPermissions returns the permissions used when
encrypting a document, in the same format as
PdfEncryptionSettings#setEncryption wants them. However, I only get strange
results. For example, a document without any permissions (like the one
created in the code below) will have permissions of -64 and not 0 as I used
for creating it.

Bug or feature?

Michael

Example code:
-----
import java.io.FileOutputStream;
import com.lowagie.text.*;
import com.lowagie.text.pdf.*;

public class StrangePermissions {
 public static void main(String[] args) throws Exception {
   Document d = new Document();
   PdfWriter w = PdfWriter.getInstance(d, new FileOutputStream("test.pdf"));
   w.setEncryption(new byte[0], "Test".getBytes("ISO-8859-1"),
       0, PdfWriter.STANDARD_ENCRYPTION_40);
   d.open();
   d.add(new Chunk("Hello, World!"));
   d.close();
   PdfReader r = new PdfReader("test.pdf", "Test".getBytes("ISO-8859-1"));
   System.out.println(r.getPermissions()); // returns -64
 }
}
-----


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