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Encrypted PDF with

import java.io.FileOutputStream; import java.io.IOException; import com.lowagie.text.Document; import com.lowagie.text.DocumentException; import com.lowagie.text.Paragraph; import com.lowagie.text.pdf.PdfWriter; public class EncryptedPDFWithUserPasswordOwnerPassword {   public static void main(String[] args) {     Document document = new Document();     try {       PdfWriter writer = PdfWriter.getInstance(document,new FileOutputStream("EncryptedPDFWithUserPasswordOwnerPassword.pdf"));       //setEncryption(boolean strength, String userPassword, String ownerPassword, int permissions)        writer.setEncryption(PdfWriter.STRENGTH128BITS, "rntsoft.com", "World", PdfWriter.AllowCopy | PdfWriter.AllowPrinting);       document.open();       document.add(new Paragraph("Hello World"));     } catch (DocumentException de) {       System.err.println(de.getMessage());     } catch (IOException ioe) {       System.err.println(ioe.getMessage());     }     document.close();   } }                     itext.zip( 1,748 k)