java: create pdf password using itextpdf 5.x and bouncycastle Library

 

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/**          * 有密码的文件  https://www.viralpatel.net/password-protect-pdf-itext-java/          * https://github.com/viralpatel/          * com.itextpdf:itextpdf:5.5.4          * https://mvnrepository.com/artifact/com.itextpdf/itextpdf/5.5.4          *  org.bouncycastle:bcprov-jdk15on:1.51          *   https://mvnrepository.com/artifact/org.bouncycastle/bcprov-jdk15on          *  org.bouncycastle:bcpkix-jdk15on:1.51          *   https://mvnrepository.com/artifact/org.bouncycastle/bcpkix-jdk15on          *  iText-5.2.1.jar          *  bcmail-jdk16-1.46.jar  https://mvnrepository.com/artifact/org.bouncycastle/bcmail-jdk16/1.46          *  bcprov-jdk16-1.46.jar  https://mvnrepository.com/artifact/org.bouncycastle/bcprov-jdk16/1.46          *  bctsp-jdk16-1.46.jar https://mvnrepository.com/artifact/org.bouncycastle/bctsp-jdk16/1.46          * @author geovindu 涂聚文 Geovin Du          * @param fileurl          * @param userPassWord          * @param OwnerPassWord          *          * */         public static void CreatePdfPassword(String fileurl,String userPassWord,String OwnerPassWord)         {             try {                  // OutputStream file = new FileOutputStream(new File(fileurl));                   Document document = new Document();                 PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(fileurl));                   writer.setEncryption(userPassWord.getBytes(), OwnerPassWord.getBytes(),                       PdfWriter.ALLOW_PRINTING, PdfWriter.ENCRYPTION_AES_128);                 //writer.createXmpMetadata();                 document.open();                                   document.addTitle("涂聚文 PDF");                 document.addSubject("Using iText");                 document.addKeywords("Java, PDF, iText");                 document.addAuthor("geovindu,涂聚文");                 document.addCreator("geovindu,涂聚文");                                                     document.add(new Paragraph("Hello World, iText,涂聚文，你好！你的Java世界！",subFont));                 document.add(new Paragraph(new Date().toString()));                   document.close();                 //file.close();               } catch (Exception e) {                   e.printStackTrace();             }                       System.out.println("OK.");                       }