PDF RTF Java

import java.io.FileOutputStream;
import com.lowagie.text.pdf.PdfEncryptor;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfWriter;
public class EncryptorExamplePDF {
  public static void main(String[] args) {
    try {
      PdfReader reader = new PdfReader("YourOwnPDF.pdf");
      PdfEncryptor.encrypt(reader, new FileOutputStream("EncryptorExamplePDF.pdf"), "Hello".getBytes(),
          "World".getBytes(), PdfWriter.AllowPrinting | PdfWriter.AllowCopy, false);
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
}
           
       
itext.zip( 1,748 k)