encrypt_pdf.txt

iText可以制作中文PDF文件的JAVA源程序

PDF document encryptor

usage: input_file output_file user_password owner_password permissions 128|40

permissions is 8 digit long 0 or 1. Each digit has a particular security function:

AllowPrinting
AllowModifyContents
AllowCopy
AllowModifyAnnotations
AllowFillIn (128 bit only)
AllowScreenReaders (128 bit only)
AllowAssembly (128 bit only)
AllowDegradedPrinting (128 bit only)

Example permissions to copy and print would be: 10100000

You'll need iText to run it (http://www.lowagie.com/iText).

Command line example:

java -cp itext.jar com.lowagie.tools.encrypt_pdf input.pdf output.pdf "" master 10100000 128


Author: Paulo Soares ([e-mail])