{filelink=10402}

/***** Code de MesExemples.com *******/
/**
 * @(#)CryptagePDF.java
 *
 *
 * @author 
 *sakoba(java.mesexemples.com) @version 1.00 2013/4/29
 */

import java.io.FileOutputStream;
import java.io.IOException;

import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.pdf.PdfWriter;

public class CryptagePDF {
  public static void main(String[] args) {
    Document document = new Document();
    try {
      PdfWriter pdf_writer = PdfWriter.getInstance(document,
      new FileOutputStream("c:/CryptagePDF.pdf"));
      
      // Définir l'algorthme de cryptage, le nom d'utilisateur et le mot de 
    passe
      pdf_writer.setEncryption(PdfWriter.STRENGTH40BITS, "username", "mot de 
    passe", 
          PdfWriter.AllowAssembly | PdfWriter.AllowFillIn 
         | PdfWriter.AllowScreenReaders| PdfWriter.AllowModifyContents);

      document.open();

      document.add(new Paragraph("Hello World"));
    } catch (DocumentException de) {
      System.err.println(de.getMessage());
    } catch (IOException err) {
      System.err.println(err.getMessage());
    }
    document.close();
  }}