PDF Encrypt V3.0 User Manual
  (1) Introduction  
  (2) Functions  
  (3) Installation & Uninstallation  
  (4) System Requestment  
  (5) Getting Started  
  (6) General Options  
  (7) PDF Security Options  
  (8) PDF Information Options  
  (9) Registration  
  (10)Command Line Usage  
  (11)Copyright & License  
 (1) Introduction  
      PDF Encrypt software is a very flexible and powerful program, PDF Encrypt software allows you to encrypt (using standard 40-bit or 128-bit or AES 128-bit supported by Acrobat Reader 5.0 and up) existed PDFs, set permissions, add user and owner password. For example you can encrypt a PDF by set limitation to print. The button to print the file will be disabled in Acrobat Reader application, you can also encrypt a PDF by limit the user to read it only if he know the correct password.  
    Note, the source PDF must be an unencrypted PDF. Acrobat Reader will show a key in the bottom status bar if the PDF is encrypted.
    There are two passwords you can apply to a PDF. The first one is the owner password. Opening a PDF with this password will allow your full access to the PDF when a user password has been assigned as well. This means that even if printing was disabled you will still be able to print the PDF when using this password. No password will be asked for when opening the PDF if you secure it with only an owner password. The second one is the user password. Opening a PDF with this password will restrict you based on how the PDF was password protected (printing may be disabled, for instance).

 (2) Functions
■   Supports Adobe Standard 40-bit Encryption and Adobe Advanced 128-bit Encryption.
■   Supports AES encryption.
■   Password protect opening of the document.
■   Supports user password and owner password.
■   Prevent printing of the document.
■   Prevent copying of text/graphics.
■   Prevent changes to the document.
■   Supports add printing, copying and changing permissions to an encrypted PDF file.
■   It's simple to use it like a batch application to set permissions to every PDF in your archive.
■   Set the document title, subject, author, keywords, creator to the encrypted PDF file(s).
■   Supports command line operation (for manual use or inclusion in scripts).
■   Batch operation on many files from command line and windows version.
■   Easy to use.
■   Does NOT need Adobe Acrobat software.
■   The rate of encryption is very fast.
■   Supports drag and drop.
■   Supports PDF1.7 protocol (Acrobat 8.x).

 (3) Installation & Uninstallation  
    You can download the program setup file from our site at first, then double click the setup file, it will automaticlly be installed at you computer by default settings .Just press "OK" or "Cancel" etc.

    a) Open windows start menu, click "PDF Encrypt"->"Uninstall PDF Encrypt" to remove the program.
    b) Open windows control panel, double click "Add/Remove Programs", and delete "PDF Encrypt" to remove the program.

  (4) System Requestment

     Supported Operating Systems  
     The following operating systems listed have been tested with PDF Encrypt and are officially supported.  
      ■ Microsoft Windows 2003 Server 32-bit Web Edition, Standard Edition and Enterprise Edition;
      ■ Microsoft Windows 2003 Server x64 Web Edition, Standard Edition and Enterprise Edition;
      ■ Microsoft Windows XP Professional and Home Edition;
      ■ Microsoft Windows XP x64 Professional;
      ■ Microsoft Windows 2000 Server and Advanced Server;
      ■ Microsoft Windows 2000 Professional;

     Recommended Hardware  
      ■ CPU: Intel(or Standard PC) 800MHz or faster compatible x86 processor;
      ■ RAM: 256MB or more RAM recommended, 128MB minimum;
      ■ Hard-disk: 100MB free space recommended, 50MB free space required;

 (5) Getting Started
  PDF Encrypt is very easy to use, all you need to do is to choose the PDF documents you intend to encrypt and modify the program settings according to your preferences. After that you just need to click the "Encrypt PDF" button.
The demo version of Encrypt PDF software is a fully functional product with all features required for testing available. After you are convinced that the program fits your needs, you are strongly encouraged to purchase and register your copy of the software by acquiring a personal unlock key, the demo version has watermark in the generated PDF file.
Quick To Use
  Step 1.  Just clik the button "Add Files" or "Add Directories" to add pdf files which you want to encrypt into the programe list, or you can move the mouse upon the programe list and right press mouse, it appears the pop-up menu, you can also select button "Add files..." or "Add directories...", which has the same function. It looks like the following window:  
  Step 2.  After the pdf files have been added into the programe list, you can update the settings of conversion, you just need to move the mouse upon the button "Settings" and click, then it appears the following "Settings" window.  
  Step 3.  When all the settings have been asured, all you need to do is to click button "OK" to accept or button "Cancel" to reject. After click button "OK" then click button "Encrypt PDF ", It starts working and looks like the following window. When the program is working, all button are disabled except the button "Stop".  
 (6) General Options
  Click the button "Settings", then select the "Base "page.  
  Output Mode:

  a) Always ask me:
Allow user to select the filename or directory of the result file.
  b) Overwrite source files:
Overwrite original PDF files using encrypted PDF files.
  c) Backup source files (.bak):
Create a .bak file to backup the original PDF files, and then encrypt the PDF documents.
  d) Save to following directory:
Save the encrypted PDF file(s) to a special directory.

 (7) PDF Security Options
  Click the button "Settings", then select the "Encrypt" page.  

  a) Encryption Level  
  RC4 40 bit: Select this, it will be encrypted with rc4 40 bit.  
  RC4 128 bit: Select this, it will be encrypted with rc4 128 bit.  
  AES 128 bit: Select this, it will be encrypted with aes 128 bit.  
  b) Ecnryption Password  
  User password: It is the password to open the document, it can be blank.  
  Owner password: It is the password to modify the document.  
  c) Encryption limitation  
  Print permission: Selected, the encrypted document will allow printing, or it will not.  
  Copy permission: Selected, the encrypted document will allow copying, or it will not.  
  Modify permission: Selected, the encrypted document will allow modification, or it will not.  
 (8) PDF Information Options
  Click the button "Settings", then select the "PDF Info " page.  
  PDF Info  
      Title: It is to set the title of the PDF file, at most 256 bits.  
      Subject: It is to set the subject of the PDF file, at most 256 bits.  
      Author: It is to set the author of the PDF file, at most 256 bits.  
      Keywords: It is to set keywords of the PDF file ,at most 1KB.  
      Creator: It is to set the creator of the PDF file ,at most 256 bits.  
 (9) Registration
  a) Download  
    You can free to download a demo version at http://www.adultpdf.com/products/encryptpdf/index.html
    Limitations of the demo version:
  Insert a watermark on each page of the generated pdf file.
  b) Buy now  
    You can order Ap PDF Encrypt online. Click here to purchase right now.  
  c) Technical Support  
    Guarantee:We are committed to providing excellent products and supports to our customers. If you are dissatisfied with an adultpdf product after your purchase, we will refund your money.
  Privacy Policy:We will not give, sell or otherwise transfer your personal information to third parties. Unless you ask us not to, we will send occasional email about new products and releases.
  Ongoing Open Dialog: Our customers are our most valuable resources. Please let us know how we can improve our products and we will try our best to implement your suggestions.

 (10)Command Line Usage
  1)Limitations in the trial version: 
    Only the first half pages of your original PDF file can be encrypted.
  2)Usage: PDFEncrypt [options] 
    -l [log file name] : specify log file for output message.
    -i [pdf file name] : encrypt pdf filename or directory.
    -o [pdf file name] : pdf file will be generated.
  Duplicates the original file with the file name you specify. Encryption will be inserted into the duplicate  file, leaving the original copy unchanged, the original pdf file will be changed to the ..bak file.
    -u : user password.
    -w : owner password.
    -p : permission print.
    -c : permission copy.
    -m : permission modify.
    -e [1 or 2 or 3 ] : encrypt level. 
    standard 40-bit = 1
    standard 128-bit = 2
    AES 128-bit = 3
    -s : subject.
    -t : tile.
    -a : author.
    -k : keywords.
    -v : creator.
    -r [Serial] : Register.
    -? : help.
    -h : help. 
    PDFEncrypt -i c:\sample.pdf -o c:\encrypt.pdf -w owner -u user -l c:\error.log 
    PDFEncrypt -i c:\sample.pdf -w owner -u user -e 40 -p -t title -s subject
    PDFEncrypt -l c:\Error.log -i c:\dir -w owner -u user -p -c -m -t title -s subject
  >How to use PDFEncrypt Command Line tool?
  A: Start the DOS command line window (i.e. run "cmd" command from "Start Menu"->"Run");  then run the PDFEncrypt command from the command line window (PDFEncrypt software can  be found in your PDFEncrypt decompression directory).
  >How to register the PDFEncrypt Command Line tool?
  A: Please run the following command in your command line window, please replace "ABCDEFGH" with your registration key, once you registered this software, you needn't register it again.

 (11) Copyright & License
  "PDF Encrypt" Software License  

1. License.
     PDF Encrypt software ("the Software"), documentation accompanying this License on any media or in any form are licensed, to you by adultpdf.com Inc. adultpdf.com Inc. retains title to the Software. The Software and any copies which this License authorizes you to make are subject to this License.

2. Authorized Use and Restrictions.
    This License allows you to install and use the Software on less than or up to the number of computers you have purchased the License for. If you purchased a License for one CPU, you may use the Software on only one machine at a time. A multi-processor computer is considered as one CPU for the purpose of this License. If you purchased the unlimited License, you may use the Software on anyone machine at any time and distribute the product to all your customers. You may not decompile, reverse engineer, disassemble, rent, lease, loan, distribute(not unlimited License), or produce derivative works from the Software. You may transfer your rights under this License provided that you transfer the related documentation, this License and a copy of the Software to a party who agrees to accept the terms of this License and destroy any and all copies of the Software in your possession. This License will terminate automatically without notice from adultpdf.com Inc if you fail to comply with any term(s) of this License.

3. Limitation of Liability.

4. Complete Agreement
    This License constitutes the entire agreement between the parties with respect to the use of the Software and supercedes all (if any) prior or contemporaneous understandings. No amendment to or modification of this License will be binding unless in writing and signed by an authorized officer of adultpdf.com Inc.

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