/**
* 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.");
}