public static void passwordprotectedpdfexample() {
try {
OutputStream file = new FileOutputStream(new File("PasswordProtected.pdf"));
Document document = new Document();
PdfWriter writer = PdfWriter.getInstance(document, file);
writer.setEncryption(
USER_PASSWORD.getBytes(),
OWNER_PASSWORD.getBytes(),
PdfWriter.ALLOW_PRINTING,
PdfWriter.ENCRYPTION_AES_128);
document.open();
document.add(new Paragraph("Password Protected pdf example !!"));
document.close();
file.close();
} catch (DocumentException | IOException e) {
}
}
